ANSWER KEYS
COMPUTER - ANSWER KEYS EXERCISE-ANSWER KEYS LESSON 1 - EARLY COMPUTERS 1. Multiple Choice Questions: a) Who is called the father of computers? [C] A) Paul Allen B) Bill Gates C) Charles Babbage D) John Napier b) Who is known as the world’s first programmer? [A] A) Lady Ada Lovelace B) Charles Babbage C) Bill Gates D) Lady Mary c) Which of the following was the first mechanical calculator? A) Analytical Engine B) Napier’s Bones [D] C) Jacquard’s Loom D) Pascaline Calculator 2. True or False a) Charles Babbage was a mathematician. True b) Herman Hollerith invented the Analytical Engine. False c) Pascaline was invented in 1642. True 3. Fill in the blanks a) The oldest computing machine is ___________ (Abacus) b) _____________ is used for calculating fares in taxis. (The Pascaline) c) John Napier was born in ________. (1550)
4. Match the following a) Inventor of Pascaline b) Napier’s Bones i) c) Analytical Engine ii) iii) d) Abacus Ans. a iii) iv) d) ii) b) iv) c) i) 5. Very Short Answer Questions a) What is the full name of Lady Ada? Ans. Lady Ada Augusta Lovelace b) What did John Napier invent? Ans. Napier’s Bones
6. Short Answer Question a) What did Blaise Pascal invent? What was the purpose of this invention? Ans. Blaise Pascal invented the Pascaline (or Pascal’s Calculator). The purpose of this invention was to help his father. He was a tax collector, in his endless and exhausting calculations for his work. b) What is a Tabulating Machine? Ans. Tabulating machine was invented by Herman Hollerith in 1890. This machine was based on IPO model. It was capable of reading data, processing it and giving the desired output. It read both numbers and letters. 7) Long Answer Question Write a short note on Charles Babbage and his contribution to the modern world. Ans. Charles Babbage invented the Analytical Engine in 1833. This machine could do complicated calculations and store the results at each stage. Today’s computers work on the same principal as that of the Analytical Engine. For this great invention of the computer, he is also known as the father of the computer. 8) Picture Based Question Identify the following pictures and write the names. Tabulating Machine Charles Babbage Lady Ada Lovelace
ACTIVITY In the below box, there are many words which you have read in this lesson. How many can you find? QWA Z T Y R U I ONP L K J H G F Z A B AC U S X CV AB N ML K J H A S D D F GH J K L P Z X C V B N M QA Z A X A L GOR I T H MC V B N A N A L Y T I CA L E N GI N E WR U I OOWE R T A Z R R T U I OP F X CV V CHAR L E S B AB B AGE J K L E GAZ H J K B CV B NA S D E T Y L R T U I OP OU I OGF X R QD GA C V B N E H NX CV J H Z C P A S CA L I NE S E J K L N MD H AZ S E C V B NAZ S CV B B N V Y i. Abacus ii. Algorithm iii. Charles Babbage iv. Napiers Bones v. Pascaline vi. Analytical Engine.
LESSON 2 - THE CENTRAL PROCESSING UNIT 1) Multiple Choice Questions [C] a) The first processor released by Intel was known as A) 4003 processor B) 4005 processor C) 4004 processor D) 4100 processor b) Microprocessor is also known as the [B] A) Arithmetic unit B) Central Processing Unit C) Memory Unit D) Random Access Memory c) This section performs the calculations based on the data. [C] A) Memory unit B) Logic section C) Arithmetic section D) Control unit 2) True or False a) The CPU is known as the brain of the computer. True b) The ALU carries out the logical processing. True c) The control unit consists of Arithmetic and Logic unit. False 3) Fill in the blanks a) ___________________ and __________________ are alternate names for the main memory. (Primary memory, Random Access Memory) b) The __________________ is that part of the CPU which controls and Coordinates the activities taking place in the computer system. (Control Unit) c) The RAM is called ________ memory. (Primary/main)
4) Match the following i) a) First processor b) Brain of the computer ii) c) Main memory iii) Brain within the brain d) Control Unit iv) Random Access Memory Ans. a ) ii) b) i) c) iv) d) iii) 5) Very Short Answer Questions a) Who invented the first processor and where? Ans. Federico Faggin and Ted Hoff invented the first processor at Intel in 1970. b) Write an alternate name for the Central Processing Unit. Ans. Microprocessor 6) Short Answer Question a) Write one difference between Arithmetic unit and Logic unit. Ans. The function of arithmetic unit is to perform arithmetic operations like addition, subtraction, multiplication and division. The function of logic unit is to perform logic operations such as comparing, selecting, matching and merging of data. b) Mention the three main components of a Central processing unit. Ans. The three components of CPU are the Memory or Storage Unit, the Control Unit (CU) and the Arithmetic Logic Unit (ALU). 7) Long Answer Question Mention any two functions of a Central Processing Unit.
Ans. i) The CPU reads and executes program instructions. ii) It coordinates the activities of the computer system. 8) Picture Based Question Label the following diagram to complete the structure of the CPU. ACTIVITY Help Tina to find the following words in the table. CPU MEMORY RAM DATA INTEL CHIP
LESSON 3 – WELCOME TO WINDOWS 1) Multiple Choice Questions [C] a) A file with extension .bmp relates to: A) Notepad B) Recycle Bin C) MS Paint D) MS Word b) The earliest version of Windows was: A) Windows ME B) Windows 98 [D] C) Windows 2000 D) Windows 1.0 c) The latest version of Windows was released in: A) 1995 B) 2015 [B] C) 1900 D) 1985 2) True or False a) Windows 7 was available in 25 different languages. False b) A file can contain another file. False c) A folder name can contain “?”. False 3) Fill in the blanks a) Windows _______ introduced touch screen and handwriting recognition. 8 b) The most recent version of Microsoft Windows is __________. Windows 10 c) Microsoft was founded by ___________ and _____________. Bill Gates and Paul Allen
4) Match the following i) a) Folder b) .pdf file ii) c) .doc file iii) d) Windows ME iv) Ans. a) iii) b) iv) c) ii) d) i) 5) Very Short Answer Questions a) Which version of Windows introduced the Start menu and Taskbar? Ans. Windows 95 b) I am a storage space where programs and files can be located. Guess who I am? Ans. Disk Drive 6) Short Answer Question a) Name any two types of files with their extensions. Ans. An image file has extension .jpg and a Word file has extension .docx. b) When were the following Windows versions released? 1. Windows XP 2. Windows ME Ans. Windows XP was released on 25 October 2001 and Windows ME released on 14 September 2000.
7) Long Answer Question Explain files and folders in a computer. Ans. A file is an object on a computer that stores data or information. Filenames can contain up to 255 characters. Some examples of file extensions are .docx, .bmp, .jpg, etc. A folder is a location to store and organise computer files. it can also contain other folders. Names for folders can be up to 255 characters in length. Folder name may have spaces and underscores, but it cannot have the following characters: * : < > | “?“ \\ or /. 8) Picture Based Question Guess the versions of Microsoft Windows and the release dates based on the logos given below: LOGO VERSION RELEASE DATE Windows Vista January 30, 2007 Windows ME September 14, 2000 Windows 2000 February 17, 2000 ACTIVITY Cross out the logos that are not associated with Windows Operating system.
LESSON 4 - CUSTOMIZING THE DESKTOP EXERCISE 1. Multiple Choice Questions a) The screen that comes up with picture when we start a computer is: A) Icons B) Desktop C) My computer D) CPU [B] b) The long bar at the bottom of the screen of desktop: [B] A) Recycle bin B) Task bar C) Start Menu D) My Computer c) This folder contains any recently viewed items: [C] A) Run B) Search C) My Recent items D) All programs 2. True or False a) “Personalize” option appears on right mouse click. True b) Start Menu is shown by clicking on Run. False c) We can change Desktop background to any image stored in the computer. True 3. Fill in the blanks a) Start button is at _________ side of the taskbar. Left b) _____________ provides access to the installed programs. All Programs c) __________ allows us to execute any programs that may not be available in the form of an icon or a menu. Run 4. Match the following a) Small pictures on desktop i) Screen Saver b) Start button ii) Recycle Bin c) Has the deleted file iii) Opens the Start Menu
d) Picture that appears when the screen is iv) Icons idle Ans. a) iv) b) iii) c) ii) d) i) 5. Very Short Answer Questions a) Name any four components of desktop. Ans. 1) Desktop Background 2) Screensaver 3) Start Button 4) Icons b) Identify the image. Where is it placed on the desktop? Ans. This is a Taskbar. It is placed at the bottom of the desktop. 6. Short Answer Question a) What is the function of “Log off” button? Ans. The Log off button is used to log off the current user of the computer. It is used when there is more than one user on the same computer. b) What happens when you click the Start button? Ans. When we click on the start button, the start menu appears. The start menu is used to access our programs, settings, printers and many more options. 7. Long Answer Question Write the steps required to change the Screensavers on the desktop. Ans. Following are the steps to change a screensaver: STEP 1: From the Start Menu, select ‘Control Panel’.
STEP 2: Click on ‘Appearance and Personalization’, and from the options displayed under Personalization, select ‘Change Screen Saver’. STEP 3: Using the drop down menu located under Screen Saver, choose one of the default images to be displayed when your computer is idle. STEP 4: Adjust the time under Wait box, how long the computer should be left idle before the screen saver begins. STEP 5: Preview how the screen saver will look before you save the changes. Click Apply followed by OK to close the window. 8. Picture Based Question In the above picture which desktop component is being changed? Explain the process. Ans. In the above picture, Desktop Icon is being changed. The steps to change an Icon are: STEP 1: Right click on any blank part of the desktop and choose Personalize. STEP 2: Click on ‘Change desktop icons’ option on top of left hand side of window. Desktop Icon Settings window will appear. STEP 3: Various icons appear in the window. Select an icon (For e.g. Recycle Bin), you want to change. Click ‘Change Icon....’ button to change the icon.
STEP 4: A new page will open with few icons. Choose an icon to change the selected icon. Press OK button to change icon. ACTIVITY Identify the following images. Bubbles screensaver Desktop Icons Taskbar
LESSON 5 – MORE ON MS PAINT 1. Multiple Choice Questions a) The tool that becomes active only after choosing brush shape is: A) Brush Tool B) Size tool [B] C) Shapes tool D) Colors tool b) With which tool in the toolbox, you will be able to draw this figure: [C] A) Airbrush B) Brush Tool C) Line Tool D) Pencil c) To tilt the image at a certain angle we use the option: [C] A) Resize B) Rotate C) Skew D) Crop 2. True or False a) Brushes help us paint in various textures. True b) The keyboard shortcut for the Undo option is Ctrl+Y. False c) Text background can only be opaque. False 3. Fill in the blanks a) To open Paint program click on Start > All Programs > __ __________ > Paint. (Accessories) b) _____ selection tool is used select any irregularly shaped part of the picture. (Free- form) c) __________ tool is used to type text in the drawing area. (Text) 4. Match the following a) Watercolour Brush Stroke i)
b) Text Tool ii) c) Select Tool iii) d) Airbrush Stroke iv) Ans. a) iv) b) iii) c) i) d) ii) 5. Very Short Answer Questions a) Which tool is used for free hand drawing? Ans. The Pencil tool and the Brush tool. b) What is the use of “Rotate” option? Ans. Rotate allows us to change the angle of the picture to a certain pre-set degrees i.e. 90 and 180 degree angles. 6. Short Answer Question a) Write the differences between rectangular and free form selection. Ans. The free- form selection option is used when we need to select image in an irregular pattern but the rectangular selection option is used to select the rectangular areas of an image. b) How will you select multiple colors with the help of your mouse? Ans. On the Left Mouse Click we can choose color1 (Primary Color) and on the Right Mouse Click we can choose color2 (Secondary Color). The third color can be chosen by pressing Ctrl key + any mouse click.
7. Long Answer Question Give five features of MS Paint. Ans. 1. Brush Tools There are various kinds of brushes that a user can use to make the painting more creative and fun. 2. Changing Sizes This means that the user can change the size a shape to smaller or bigger. 3. Full screen View This feature gives the user a ‘Full screen’ view. It helps to see the entire design on the canvas. 4. Color Selection We can select multiple colors with the help of the mouse. 5. Saving the Painting We can save the drawing or the painting in different file formats. 8. Picture Based Question Complete the names of these MS Paint tools: S__ __ec__ (Select) __ en__ __ l (Pencil) C__lo__ p__ __ k__r (Colorpicker) E __a__ __r (Eraser)
__ r __ __h___s (Brushes) M __g__ i__i__r (Magnifier) __ __ do (Undo) ACTIVITY Write the operations performed with the help of clue words given below. (Skew vertical, stretch vertical, skew horizontal, stretch horizontal) Ans: a. Stretch horizontal b. Stretch vertical c. Skew horizontal d. Skew vertical
LESSON 6 – EDITING TEXT IN MS WORD 1. Multiple Choice Questions [D] a) Which key is used to delete a text? A) Esc B) Shift C) Alt D) Delete b) To select the whole text in the document, press [ C ] A) Shift + A B) Alt + A C) Ctrl + A D) Ctrl + A c) Keyboard shortcut for undo command is [B] A) Ctrl + Y B) Ctrl + Z C) Ctrl + X D) Ctrl + V 2. True or False a) Copy and Paste buttons are used to move the text. False b) The Paste option is available on the Home tab. True c) The Spacebar key on the keyboard is used to insert a space in a text. True 3. Fill in the blanks a) The keyboard shortcut to _________ the selected text is Ctrl + C. (copy) b) _______ command is used to reverse the Undo command. (Redo) c) The ________ feature of Word helps in searching for a particular text in the document. (Find) 4. Match the following a) Shift + Right Arrow i) Text from beginning of the line till the cursor b) Shift + Up Arrow ii) Text on the right side of the cursor c) Shift + Home iii) Text on the left side of the cursor
d) Shift + Left Arrow iv) Text on the left side and above the cursor Ans: a) ii) b) iv) c) i) d) iii) 5. Very Short Answer Questions a) Find out the keyboard shortcuts for the following: i) FIND ii) REPLACE ii) CUT iv) REDO Ans. i) FIND Ctrl +F ii) REPLACE Ctrl + H iii) CUT Ctrl + X iv) REDO Ctrl + Y b) Arrange the following in order of their occurrence in MS Word from left to right: Bold, Paste, Find, Font Color, Copy Ans. Paste, Copy, Bold, Font Color, Find. 6. Short Answer Question a) What is common between Cut and Copy? Ans. In both the options we select the text that we want to cut and copy. b) Where do you find the Undo and Redo command? Ans. These commands are found on the Quick Access Toolbar. 7. Long Answer Question What is the purpose of Find and Replace options? Ans. Sometimes when we are working with large documents and want to find a specific word or phrase. This can be difficult and time- consuming to locate it. By using the Find option, Word can automatically search the document. Replace option allows us to change many words or phrases at the same time. 8. Picture Based Question Observe the following window and answer the given questions.
a) Label the options A, B and C in the figure. b) Name the tab and group that has the Paste option. Ans: a) A) Office button, B) Save, C) Undo. b) Home tab. ACTIVITY Open a blank document and perform the following operations given below. a) Type the following paragraph. When you select text or images in Word, a hover toolbar with formatting options appears. This makes formatting commands easily accessible, which can save you time. If the toolbar does not appear at first, try moving the mouse over the selection. b) Cut the first sentence of the paragraph and paste it at the end of this paragraph. c) Copy and Paste the paragraph in the same Word document. d) Use Undo and Redo buttons when required. Student’s Activity
LESSON 7 - MS WORD FEATURES 1. Multiple Choice Questions a) Which of the following is not an option in the Change Case menu? [D] A) Sentence case B) Uppercase B) Lowercase D) Convert to symbol b) The Spelling & Grammar option is available on this tab. [B] A) Home B) Review C) Insert D) Design c) The ____________ wavy line in MS Word indicates a grammatical error. [A] A) Green B) Red C) Pink D) Black 2. Fill in the blanks a) _____________ list is created when you make use of numbering. (Numbered) b) The extension of a saved file in MS Word is ____________. (.docx) c) The ______________________ button allows you to change the case of an existing block of text. (Change case) 3. True or False a) You can create a numbered list using the Bullets button in the Paragraph group. False b) Formatting means making changes in a document. True c) The Bullets option is situated in View tab. False
4. Match the following a) i) Allows changing case of letters in the typed text of a document. b) ii) Creates numbered list c) iii) Checks for spelling and grammatical errors d) iv) Creates bulleted list Ans: a) iii) b) iv) c) i) d) ii) 5. Very Short Answer Questions a) Which option in the Spelling & Grammar dialog box changes the word throughout the document? Ans. Change All. b) Which part of the Word screen displays the page number, document view buttons, and the zoom control? Ans. Status Bar 6. Short Answer Question a) What do you mean by formatting? Ans. Formatting means making a document look attractive, organized and presentable. b) Name all the options present in the Change case drop-down list. Ans. Sentence case, lowercase, Uppercase, Capitalize each Word and Toggle case.
7. Long Answer Question What is the importance of Bullets and Numbering? Ans. Bullets or numbers help us to make the list in a document more attractive. Using this option, we can display data in the form of points. It also helps to display data in a more systematic way, which is easier to read and understand. Several bulleting and numbering styles are available. 8. Picture Based Question Do you know your icons? Write the names/ functions/ shortcut keys in the right command. ICON Name / ICON Name / Function / Short Function / Short Cut Command Cut Command Save (Ctrl + S) Font (Ctrl + Shift Undo (Ctrl+ Z) + F) Redo (Ctrl + Y) Font size (Ctrl + Shift + P) Bold (Ctrl + B) Paste (Ctrl + V) Italics (Ctrl + I) Cut (Ctrl + X) Underline (Ctrl + U) Copy (Ctrl + C) Bullet List Text Effects Numbered List Text Highlight Justify (Ctrl + J) Color Shading Font Color Align Text Left (Ctrl + L) Center (Ctrl + E)
Line and Align Text Right Paragraph (Ctrl + R) spacing ACTIVITY Student’s Activity LESSON 8 - ADDITIONAL LOGO COMMANDS 1) Multiple Choice Questions a) PRINT primitives takes ___________________ input at a time [ C ] A) 4 B) 3 C) 1 D) 2 b) Which of the following commands draws a square on the Graphics screen? [B] A) REPEAT 4 [FD100] B) REPEAT 4 [FD 100 RT 90] C) REPEAT 4 [FD 100 RT 50] D) REPEAT 4 [FD 100 LT 50] c) Which primitive puts the pen down so that the turtle starts drawing again? [B] A) PENUSE (B) PD C) PU (D) PENNORMAL 2) True or False a) The symbol ‘/’ is used for addition. False b) Once the turtle disappears, it cannot appear on the Graphics screen. False c) To fill color in an object, the turtle must be inside the object. True 3) Fill in the blanks a) The short form of Print primitive is _________. (PR) b) To execute any command, press the _____________ key after writing a primitive. (Execute) c) The operator command used for addition is ______________. (+)
4) Match the following a) Semi-Circle i) b) Triangle ii) c) Pentagon iii) d) Hexagon iv) Ans. a) iv) b) i) c) ii) d) iii) 5) Very Short Answer Questions a) Give full forms of the following A) PU B) FD C) PE D) HT Ans. A) PU PENUP B) FD FORWARD C) PE PENERASE D) HT Hide Turtle. b) Spot the error. A) “PRINT SUM 2 3 4 5 B) PRIN 15/4 C) 2+3 PRINT Ans. A) PRINT (SUM 2 3 4 5) B) PRINT 15/4
C) PRINT 2+3 6) Short Answer Question a) Give the LOGO commands for the following: i) To find out the addition of 10 and 1 Ans. PR 10+1 ii) To calculate the difference between 34 and 4 Ans. PR 34-4 b) Write the command needed to draw a Pentagon using REPEAT command. Ans. Repeat 5 [FD 50 LT 72] 7) Long Answer Question Give an example of the following commands. Ans. Commands Example SETPENSIZE SETPENSIZE [5 5] SETPENCOLOR SETPC 3 SETFLOODCOLOR SETFLOODCOLOR [5] SETSCREENCOLOR SETSC 4 8) Picture Based Question Write the LOGO commands to draw the following figures i) SETPC 14 SETPENSIZE [6 6] FD 50 RT 90 FD 200 RT 90 FD 50 RT 90 FD 200 BK 200 LT 90 FD 50 LT 90 FD 200 LT 90 FD 50 LT 90 FD 200 ii) Student’s activity
ACTIVITY Complete the following activity. i) Create an equilateral triangle of red color with a thick border to give the shapes of the cap of a clown. ii) Below the triangle create a square with a thick yellow colored border to shape it as the face of the clown. iii) Solve the following problem using LOGO primitives. In a class of 40 students, 5 students went for the quiz competition and 14 went for the excursion arranged by the Class teacher. Find out how many students were not in the class. Ans: i) Student’s Activity ii) Student’s Activity iii) PR 5+14
LESSON 9 - INTERNET AND MULTIMEDIA 1. Multiple Choice Questions a) Highlighted text on web page, which on clicking connects to other web pages, is called [D] A) URL B) Home Page C) Multimedia D) Hyperlink b) Internet was developed by: [B] A) Microsoft B) DARPA C) Apple D) Google c) The Internet was first connected in: [A] A) 1969 B) 1983 C) 1960 D) 1989 2. True or False a) Multimedia applications combine only still images with sound. False b) WWW and Internet are different names for the same thing. False c) A collection of web pages related to each other is called web. False 3. Fill in the blanks a) A group of interconnected computers that share resources is called a ________________. (Network) b) First page of a website is called a___________. (Homepage) c) Moving from one website to another is known as_________________. (Net surfing) 4. Match the following i) MP3 ii) www.rediff.com a) ISP iii) Airtel b) Internet Line iv)Fibre Optic c) Website d) Multimedia file
Ans: a) iii) b) iv) c) ii) d) i) 5. Very Short Answer Questions a) What is internet? Ans. The internet is a term for the world-wide communication network of computers. b) Identify the software from the following: Modem, Web browser, Internet, website, multimedia Ans. Web browser, Website, Multimedia 6. Short Answer Question a) What is multimedia? Ans. Multimedia is a combination of text, sound, picture, animation and video. It is a means of presenting information on computer. b) Write four applications of multimedia. Ans. The four applications of multimedia are Education, Business, Medicine and Scientific research. 7. Long Answer Question What are the requirements for an Internet connection? Ans. The following things are needed for an internet connection: A Computer: This can either be a laptop, desktop or a smartphone. A working internet line: It includes a fiber-optic connection, a cable connection, a Wi-Fi connection, a 3G or 4G cellular connection or a phone connection. A modem: A modem is a device that enables a computer to transmit data over phone or cable. ISP: The Internet connection is provided by companies known as ISP. Web browser: A web browser is software which is used to open webpages.
8. Picture Based Question Write the names below all the images and circle only the web browsers. Firefox MS Paint MS PowerPoint Chrome Opera Internet Explorer MS Word Windows ACTIVITY The picture shows a website.
Label the following in the above web page. a. URL c. Hyperlink b. Text d. Images Ans.
WORKSHEET-ANSWER KEYS WORKSHEET- UNIT 1 1) Multiple Choice Questions a) (C) b) (D) 2) True or False a) False b) True 3) Fill in the blanks a) Analytical Engine b) Charles Babbage c) bones 4) Match the following c) i) d) ii) Ans. a) iii) b) iv) 5) Very Short Answer Questions a) Calculator and Mobile Phone. b) They were used for multiplication and division. 6) Short Answer Question a) The analytical machine worked only with numbers and performed calculations while the Tabulating machine was the first device to read data and process it as well. b) Abacus, Napier bones, Pascaline, Analytical Engine, Tabulating Machine, Desktop, Laptop. 7) Long Answer Question Lady Ada Lovelace was an English mathematician. She is known for her work on Charles Babbage's machine- the Analytical Engine. She was the first to create the first algorithm intended to be carried out by such a machine. She created the set of instructions for the analytical engine to follow. This set of instructions was called the program. As a result, she is often regarded as the first to recognise the full potential of a \"computing machine\" and the first computer programmer.
8) Picture Based Question Cross out the items that are NOT a computing device. WORKSHEET- UNIT 2 1. Multiple Choice Questions a) (B) b) (A) 2) True or False a) False b) True 3) Fill in the blanks a) Process b) brain c) Input 4) Match the following Ans. a) iii) b) iv) c) ii) d) i)
5) Very Short Answer Questions a) The purpose of CPU is to process data. b) 1 instruction at a time. 6) Short Answer Question a) Arithmetic part- it performs the calculations on the data e.g. 3+2=5 Logic part- this deals with the logic and comparisons. For example, it works out if one value is greater, less than or equal to another. b) The CPU gets the information and data from its main memory and stores it in its own internal temporary memory areas. 7) Long Answer Question The three components of CPU are The Memory or Storage Unit The Control Unit The Arithmetic Logic Unit The functions of Control Unit are: 1. Controls and monitors the hardware of the system to make sure it is following instructions. 2. Controls the input and output of data. 3. Controls the flow of data in the CPU. 8) Picture Based Question Select the items from below that use a microprocessor.
WORKSHEET- UNIT 3 1) Multiple Choice Questions a) (C) b) (D) 2) True or False a) False b) True 3) Fill in the blanks a) 1975 b) 98 c) Personalize 4) Match the following Ans. a) iii) b) iv) c) ii) d) i) 5) Very Short Answer Questions a) The control panel is used to configure various Windows settings. b) The screen that comes up when we start the computer is called Desktop.
6) Short Answer Question a) Operating System is a program that runs on the computer and acts as a medium between the user and computer hardware. Examples of Operating systems are Microsoft Windows and MAC OS. b) Desktop Icons are small graphical representations to help quickly identify and/or open a type of file or program associated with the icon. 7) Long Answer Question To change desktop wallpaper, follow these steps: STEP 1: Right-click on a blank part of the desktop and choose “Personalize”. The Control Panel Personalization window appears. STEP 2: Click the Desktop Background option on the window bottom left corner. STEP 3: You will see many pictures in the window. Click any of the pictures that you want to set as your wallpaper and your desktop background is changed to that picture. STEP 4: Click on Save Changes and exit the Desktop background window. 8) Picture Based Question Identify the images below PDF file Windows 8 My Computer Disk Drives Folder .bmp File Desktop Icons
WORKSHEET- UNIT 4 1) Multiple Choice Questions a) (B) b)(D) 2) True or False a) False b) True 3) Fill in the blanks a) .bmp b) Dot c) Insert 4) Match the following Ans: a) iii) b) iv) c) i) d) ii) 5) Very Short Answer Questions a) Rotate option b) Ctrl + A 6) Short Answer Question a) The Skew option is used if we want to tilt the image vertically or horizontally at a certain angle of our requirement. b) It reverses the case of each letter in the selected text. The uppercase letters are changed to lowercase and all lowercase ones to uppercase. 7) Long Answer Question STEP 1: Type the text you want to add numbers. STEP 2: Select the text you typed. STEP 3: Click on the Home tab. STEP 4: In the Paragraph group, click the down arrow next to the Numbering button. The Numbering Library appears.
STEP 5: Click to select the type of numbering you want to use. The numbers are added to your list automatically. 8) Picture Based Question Identify the images below to the program that they belong to (MS Word/ MS Paint): Image Program MS Word MS Paint MS Word MS Paint MS Word MS Paint MS Paint MS Word
WORKSHEET- UNIT 5 1) Multiple Choice Questions a) (C) b) (A) 2) True or False a) False b) True 3) Fill in the blanks a) FILL b) Language of Graphics Oriented c) PRINT 4) Match the following Ans. a) iv) b) i) c) ii) d) iii) 5) Very Short Answer Questions a) REPEAT 360 [FORWARD 2 RIGHT 1] b) PENNORMAL command 6) Short Answer Question a) SETH command is used to set the turtle’s head in any direction without using RT or LT commands. The SETH command is followed by a number which determines the number of degrees the turtle’s head will move. Ex: SETH 90 b) The REPEAT command is used as a shortcut in place of writing the same command again and again. Instead we just write it once and specify the number of times it has to be repeated. 7) Long Answer Question The SETSCREENCOLOR (SETSC) Command sets the background color of the Graphics screen. For example, SETSC 4 changes the background color to red. Whereas the SETPENCOLOR (SETPC) Command changes the color of the turtle’s pen. For example, SETPC 4 will change the pen color to 4.
8) Picture Based Question Write the LOGO commands to draw the following figure a) b) Ans. a) FD 90 BK 30 RT 90 FD 30 BK 60 LT 45 FD 42 RT 90 FD 42 HOME LT 26 FD 64 b) REPEAT 8 [FD 20 RT 45] WORKSHEET- UNIT 6 1) Multiple Choice Questions a) (D) b) (A) 2) True or False a) False b) True 3) Fill in the blanks c) ii) d) i) a) MOdulator/DEModulator. b) E-mail c) text, pictures. 4) Match the following Ans. a) iv) b) iii)
5) Very Short Answer Questions a) A Web page is a document on World Wide Web having text, images, videos, sounds, animations and links to other pages. b) Internet Explorer, Google Chrome 6) Short Answer Question a) URL means Uniform Resource Locator. This is the unique address of each website. A web page is located by its URL. b) Education has become more interesting and effective with the use of multimedia. Encyclopedias, directories, dictionaries and electronic books are common multimedia references. Computer based Training programs and CD – ROMs are also created using multimedia. 7) Long Answer Question Internet means the world-wide communication network of computers. It is used to send information quickly between computers around the world. Internet is a global network of computers. Internet has many uses. With the help of Internet we can: 1. Search information on any topic. 2. Operate our bank accounts through online banking. 3. Send and receive email messages. 4. Chat with our friends and family online. 5. Listen to music and watch movies. 6. Buy or sell products from various online sites. 7. Share information with others quickly. 8. Learn about new things by reading about them online. 8) Picture Based Question Mozilla Firefox PDF File Windows Safari
Google Chrome Internet Explorer Recycle Bin Linux
ANSWER KEYS
GK - ANSWER KEYS 1 FAMOUS PEOPLE For classroom discussion only 2 IndIan Culture Know Your Places Identify the names of states/cities by the important monuments/locations they have. The names are given in the box below. 1) Punjab 2) Odisha 3) New Delhi 4) Varanasi 5) Jaipur 6) Tamil Nadu 7) Karnataka 8) Maharashtra 9) Kolkata 10) Kerala Renamed States and Cities Match the original names of Indian states/cities to their changed or new name. 1) i) 2) e) 3) h) 4) b) 9) a) 5) f) 6) c) 7) g) 8) d) Embroidery Library 4) Kashida 5) Rabari Fill in the blanks with the correct option 1) Chikankari 2) Phulkari 3) Kantha Stitch 6) Kalamkari 7) Bandhani Indian Identities Write the names of various National symbols of India 1) Tiger 2) Peacock 3) Lotus 4) Banyan 5) Vande Mataram 6) The Lion Capital of Asoka at Sarnath 7) Mango 8) Hockey 9) Ganga 10) River Dolphin
3 Science ArOund uS Body Functions Match the body organs with their respective functions 1) e) 2) d) 3) f) 4) a) 5) b) 6) c) Let’s Talk Teeth Fill in the blanks with the correct options 1) Milk teeth 2) Molar 3) Incisors 4) Pre-molar 5) Cavity 6) Canine 7) Four 8) Four Healthy Treat In the given box, images of several food items are given below. Identify them as foods rich in carbohydrates and foods rich in protein and write them in the table. Carbohydrates Proteins 1. Dates 1. Milk 2. Banana 2. Almonds 3. Bread 3. Egg 4. Paneer 5. Chicken 6. Fish
Be Forceful! Below are given different types of activities or actions done. Write beside the picture as to what type of force is exerted. Categorize the forces as Muscular Force, Magnetic Force, Gravitational Force and Frictional Force. Activities/ Movements Types of force Magnetic Muscular Force Frictional Force Gravitational Force Muscular force Gravitational Force
4 Green eArtH Plant Habitat and Adaptations Fill in the crossword puzzle with the clues given below. Across Down 3. Insectivorous 1. Non-Green 4. Aquatic 2. Terrestrial Look at the following pictures and identify the plant as well as the type of plant. 1) Lotus – aquatic plant 2) Mushroom – Non-green 3) Cactus - Terrestrial 4) Pitcher plant - Insectivorous Unscramble the words and find them in the puzzle. OODF – FOOD, TWARE – WATER, PTMEREATREU – TEMPERATURE, STEHERL –SHELTER, IRA – AIR, F N F B WA T E R I N U J E P MK S CD P WA F U R T L OCGN F OOD L U H H B D NGWU X R B T Y N R T L Z QO E C WA J A U V H S P T WV DRKZ T SHE L T ER S E E XAJ AE Y J AJ NP RQB F HK S CR K OMS Y D N J OCGN F P E DOK S CDXAK S Q T E WN A S OK I MR L Z RNF R Z L NR FQ Look at the pictures and answer the questions. 1) Conical 2) Roots 3) Spines 4) Canopy 5) Brown 6) Tundra
I Can Eat a Whole Plant 1) Roots, Stems, Leaves, Flowers, Fruits, Vegetables and Seeds. 2) Encircle the part of the plant we eat from the following images and also identify whether the food is a root or a stem food. Carrot – root Sugarcane – stem Radish – root Draw any one of your favourite dry fruit in the box given below. Write a few lines about it. Student’s Activity Little Tommy was able to answer all the above questions. But he was not able to find out if a potato is a stem or a root. So he asked his teacher to help him. Ans. Potatoes are stem vegetables. Nuts and Dried Fruits Now, you can try and find out names of a few dry fruits. A L M O ND S RAI S I N S CASHEWNUTS
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