Chapter – 1
Parts of a Computer
Brain Developer
A. Fill in the blanks:
1. A Computer works with data and instructions.
2. A computer can store a large amount of information.
3. A Monitor displays all the works that we do on a computer.
4. A Mouse is used to point, select and move any object on the computer.
5. A CPU does all the calculations and displays the result on the monitor.
B. State true or false.
1. A computer has an IQ. [F]
2. The output printed on paper is known as soft copy. [F]
3. A computer has four main parts. [T]
4. MU stands for Memory Utility. [F]
5. A CPU is made up of AU and LU. [F]
6. A monitor is also known as VDU. [T]
C. Match the following.
| 1. I give output on a paper | a. Mouse. [3] |
| 2. Whatever you type and draw can be seen on me | b. CU. [5] |
| 3. I am not afraid of a cat, sit on a mat, have a long tail, can send e-mail. | c. ALU. [4] |
| 4. I am a part of a CPU and do arithmetic calculations. | d. Monitor. [2] |
| 5.I am the boss and control all the activities of a computer. | e. Printer. [1] |
D. Application Based Questions:
1. Mary is reading the soft copy of a letter. Which part of a computer is she using?
= Monitor;
2. Supriya wants to do painting on a computer. Which computer device will you suggest her to use for making a colourful drawing?
= Mouse;
3. Sourabh’s mother has asked him to take out 50 copies of birthday invitation letter: Which device should he use to get the hard copy?
= Printer;
E. Multiple Choice Questions:
1. ............... can be words, numbers, pictures or sound.
i) Data. [✓]
ii) Processing. [ ]
iii) Meaningful Information. [ ]
2. A computer displays ............... after processing the data.
a. Input. [ ]
b. Process. [ ]
c. Output. [✓]
3. ............... controls all parts of a computer system.
a. ALU. [ ]
b. CU. [✓]
c. MU. [ ]
4. The ............... monitors consumes least power.
a. LCD. [ ]
b. CRT. [ ]
c. LED. [✓]
F. Write Full Form of the following:
1. IPO = Input Process Output;
2. CU = Control Unit;
3. CPU = Central Processing Unit;
4. ALU = Arithmetic and Logic Unit;
5. VDU = Visual Display Unit;
6. MU = Memory Unit;
7. IQ = Intelligence Quotient;
8. LCD = Liquid Crystal Display;
G. Answer the following:
1. What is a computer?
= A computer is a machine that works with the data and instructions given by the user. It works on IPO cycle.
2. How do you enter data and instructions on a computer?
= We use keyboard and mouse to enter data and instructions on a computer.
3. What do you call the information, that you enter into the computer?
= The information that we enter into the computer is called data.
= Monitor shows the output.
5. Name the device that is known as the brain of a computer?
= CPU (Central Processing Unit)
6. List any two features of a computer.
= The two features of a computer are –
i) A computer works very fast and can do large calculations.
ii) Computer does not make any mistake.
7. Mention any two disadvantages of a computer.
= The two disadvantages of a computer are –
i) A computer does not have any IQ.
ii) If you enter wrong inputs, it will give wrong result.
Chapter – 2
Hardware and Software
Brain Developer
A. Fill in the blanks:
1. The parts of a computer, that can be touched or seen are called Hardware.
2. The devices used for storing data are called Storage devices.
3. The devices that give results after processing are called Output devices.
4. A set of instructions given to a computer is called Software.
5. The Operating System manages the overall working of a computer.
B. State True or False:
1. The software that can do a specific type of work, is called System Software. [F]2. A scanner is an input device. [T]
3. The Paint program is used for drawing pictures. [T]
4. A printer is an output device. [T]
5. The devices that give us output, are called input devices. [F]
C. Match the following.
| 1.Input device | a. Printer. [4] |
| 2. Data | b. Hard Disc. [3] |
| 3.Storage device | c. Songs. [5] |
| 4.Hardware | d. 90+85+69+98+76+84. [2] |
| 5.Software | e. Keyboard. [1] |
2. Sheena wants to draw a greeting card using a specific software. Which type of software will she use?
= MS Paint; Application Software;
E. Name the device used for each of the following jobs:
1. A device commonly seen in video parlours for playing games.
= Joy Stick;
2. A device used to record our voice and other sounds in a computer.
= Microphone;
3. A device that can read words, pictures or numbers from paper and store them in a computer.
= Scanner;
4. A device used to hear sounds and music stored in a computer.
= Speaker;
F. Answer the following :
1. Define the term software. Name its types.
= A group of instructions given to a computer is called software.
Software is of two types – i) System Software; and ii) Application Software;
2. What is a storage device? Give any one example.
= The devices used for storing data are called Storage devices.
One example of storage device is Hard Disk.
3. What do we call the hardware devices that are used to enter words, numbers or pictures?
= We call them as input devices.
4. Which application software is used for typing and making corrections in the text?
= WordPad.
5. Name the program used for performing calculations.
= Calculator.
Chapter – 3
Tux Paint
Brain Developer
A. Fill in the blanks:
1. Tux Paint has a drawing mascot that helps us to know about Tux Paint.
2. The most commonly used free hand drawing tool is the Paint tool.
3. We can create a mirror image of a stamp using the Mirror button.
4. Fill tool is used to fill colour in an object.
5. Tux Paint saves every file in the form of a Thumbnail.
B. State True or False:
1. The Grass tool is used to create flowers on the canvas. [F]
2. The drawing mascot in Tux Paint is a naughty duck. [F]
3. Clicking on the Open button will erase your current file. [F]
4. The working of Lines tool and Paint tool is exactly the same. [T]
5. Using Magic tool, we can apply beautiful effects to our drawing. [T]
C. Application Based Questions:
1. Rohit wants to draw free-hand sketches of cartoons in Tux Paint. Which tool should he use?
= Paint tool.
2. Amit has drawn a square in Tux Paint. He wants to fill it with red colour. Suggest him a tool to complete this task.
= Fill tool.
D. Multiple Choice Questions:
1. Which tool in Tux Paint is used to draw and give amazing effects to a picture?
a. Paint. [ ]
b. Lines Tool. [ ]
c. Magic tool. [✓]
2. Name the sub-tool, which you can use to fill bricks in the picture.
a. Haze tool. [ ]
b. Grass tool. [ ]
c. Bricks tool. [✓]
3. Which option in Tux Paint allows you to view all the saved files in the form of a slide show
a. Open button. [ ]
b. Slides button. [✓]
c. Back button. [ ]
4. Which tool is selected by default, when we open Tux Paint?
a. Paint tool. [✓]
b. Lines tool. [ ]
c. Stamp tool. [ ]
E. Answer in one word:
1. Which effect fills the drawing canvas with bricks?
= Bricks Effect.
2. Name the tool of Tux Paint that is similar to the Brush tool in MS Paint.
= Haze Brush tool.
3. Which tool is used to save a drawing?
= Save tool.
4. Name the tool that is used to draw straight patterns.
=Lines tool.
Chapter – 4
Understanding Windows
Brain Developer
1. The Desktop is the first screen of Windows, which appears when the computer is switched on.
2. Icons are the labelled pictures on the screen.
3. The Taskbar is a long horizontal bar at the bottom of the desktop.
4. The right side of the Taskbar contains the Notification Area.
5. Sorting the icons means arranging them in a proper sequence.
6. To select non-adjacent items, hold down the Ctrl key and click on the desired items.
B. State True or False.
1. The clock is present on the left side of the taskbar. [F]
2. To select an item, simply click on it. [T]
3. Single-clicking on the icon opens the window. [F]
4. Show desktop button is present on the left side of the taskbar. [F]
5. To change the desktop background, left-click on the blank area of the desktop. [T]
6. Pressing the right button of the mouse displays the Shortcut menu. [T]
C. Application Based Questions:
1. Mohit is using for the first time. He cannot identify the small labelled pictures present on the screen. What are they called?
= Icons.
2. Karan is working on many applications on his computer. By mistake, he has clicked somewhere on the taskbar and all the open windows have minimized. Which button has Karan clicked on
= Windows Key + D
D. Multiple Choice Questions:
1. Which program manages all the jobs of a computer?
a. Operating System. [✓]
b. Desktop. [ ]
c. Screen Saver. [ ]
2. Quick Launch bar is present to the right side of the ............... button.
a. Go. [ ]
b. OK. [ ]
c. Start. [✓]
3. To arrange the icons on the desktop, ............... click on the blank area.
a. Left. [ ]
b. Right. [✓]
c. Minimize. [ ]
4. Pressing Windows key + D key combination, ............... all the open windows.
a. Maximizes. [ ]
b. Closes. [ ]
c. Minimizes. [✓]
5. To open the Start menu, press the ............... key.
a. Ctrl. [ ]
b. Windows. [✓]
c. Alt. [ ]
E. Name the mouse pointers, which perform the following actions:
1. For pointing, selecting and dragging an item.
= Normal.
2. For resizing the pictures.
= Double-Headed Arrow.
3. It indicates that you have to wait because the computer is busy.
= Busy.
4. For moving pictures and toolbars.
= Four-Headed Arrow.
F. Answer in one word:
1. What do you call the middle section of the taskbar?
= Quick Launch Bar.
2. Name the term used for the process of loading operating system.
= Booting.
3. Name the box that displays the preview of the Screen Saver.
= Preview box.
4. Mention the shortcut key to minimize all open windows.
= Windows + D
G. Answer the following:
1. Define the term Windows.
= Windows is an operating system that controls and manages the functions of a computer.
2. What is Desktop?
= When we switch on a computer, Windows starts automatically. The first screen that appears with labelled pictures on it, is called Desktop.
3. What is a Taskbar?
= The Taskbar is the long horizontal bar located at the bottom of the desktop.
4. What does an icon mean?
= The labelled pictures on the desktop are known as icons.
5. Briefly explain the use of Quick-Launch Bar.
= We can add commonly used programs, such as Internet Explorer, Word program, Windows media Player, etc. in the Quick-Launch Bar. They can be opened with a single click.
6. Describe the term Screen Saver.
= The Screen Saver is an image, which pops up on the computer screen whenever a computer is left idle for a certain period of time.