Class-3 / L 3 Understanding Windows / Q- Ans

Computer Science
Class-III

Lesson-3 Understanding Windows

A ) Fill in the Blanks

{ Hints : Recycle Bin, Icons, Desktop, Taskbar, Internet Explorer }

 1. The Desktop  is the first screen of windows which appear when the computer switched is on.

2. Icons  are the small pictures on the screen.

3. Taskbar   is located at the bottom of the desktop.

4. This icon is used to work on internet are Internet Explorer .

5. Recycle Bin    program are used to store deleted files and folder.

B) Arrange the jumbled words

 1. These are the small pictures on desktop. SCION

Ans:  ICONS

2. It contains START button on it. TBAASRK

Ans: TASKBAR

 3. Design and color we see on the back of desktop BCARGKOND

Ans: BACKGROUND

 4. This is used to open any program gave or software on computer. SBTUATRTTON

Ans: START BUTTON

 

C) Give one word answer for the following.

1. It displays the current date and time.

Ans: Date and Time Option

2. It shows the start button and system tray.

Ans: Taskbar

3. A program that contains the computer system.

Ans : Operating: System

4. These are icons seen at bottom right corner.

Ans: System Tray

 

D) Answer them

1. What are windows?

Ans: (1) Windows is an operating system.

 (2)  It is also called a Graphical User Interface (GUI) based operating system.

2. What is Desktop?

Ans : The first screen of windows   on the computer is called desktop.

3. What is taskbar?

Ans: (1) The bottom most bar of the desktop is called taskbar.

(2)  It contains the START button on left side and the system tray on the right side.

4. What are Icons?

Ans: Small pictures on the desktop that represent a program is called icons.

E)  Multiple choice questions

1. The icon present on every computer are called…………

a) System Tray                             b) System Icon                        c) Taskbar

Ans: b) System Icon

2. Which program manages all the jobs of a computer?

a) Operating system                   b) Desktop                               c)Taskbar

Ans: a) Operating System

3. When the computer is switched on the screen we see is called

a) Start Button                             b) Background                        c)Desktop

Ans: c) Desktop

4. These provide easy and frequent access of tools.

a) Date and Time                        b) Gadget                                 c) System Tray

Ans: b) Gadget

F) Answer the following questions

1. What is an operating system? Give examples.

Ans: (1) Operating system is an interface between user and computer . 

(2) For example : window XP, windows Vista, Windows 7, 8 and windows 10.

2. Mention any three important functions of an operating system.

Ans: Operating System  manage:-

1)  all the input .

2) the process of  CPU  

3)  computer memory.

4)   all the   parts attached to a computer.

5)   all   programs or software .

3. Name the different types of icons that you see on the desktop.

Ans: My computer, Internet Explorer, Recycle Bin, file, folder, shortcut  etc.

 

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