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?
= 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] |
D. Application Based Questions:
1. Kabir wants to record a song in the computer. Which input device can he use?
=
Microphone;
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
A. Fill in the blanks:
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.