Grade III, Chapter 1

Learn with Hafiza Palwasha

OXFORD (Book 3), KEYBOARD
Computer Science With Application Software (Third Edition).

Solution

Chapter No. 1

Operating System

NEW WORDS

Write these new words on neat copies. There is no need to memorize these words but students should be able to read and understand these words as I explained and discussed in class.

1.    Hardware

2.    Software

3.    Scanner

4.    Microphone

5.    Processing unit

6.    Storage devices

7.    Output devices

8.    MS Windows

9.    MS Office

10.  KTurtle

11.  Adobe Flash

12.  Adobe Photoshop

13.  Program

14.  Input devices

15.  Processing

16.  Single-user

17.  Multi-user

18.  Windows XP

19.  Mac OS

        Macintosh Operating System

20.  Windows 7

21.  Windows 8

22.  Windows Server 2012

23.  UNIX

24.  Linux

25.  Microsoft Windows

26.  Operating system

27.  Automatically

28.  Desktop

29.  Icons

30.  Folder

31.  Program

32.  Double-clicking

33.  Files

34.  Information

35.  Taskbar

36.  Horizontal bar

37.  Pointer

38.  Drag

39.  Release

40.  Start Button

41.  Displays

42.  Start menu

43.  Panes

44.  Left pane

45.  Right pane

46.  Symbol

47.  Alphabetical order

48.  Accessories

49.  Search box

50.  Features

51.  Shut down

52.  Wipe off

Exercise

Solution

Page No. 7

Q No. 1: Fill in the blanks with the correct words.

Operating system,     Single-user,     icons,     desktop,     folder

Solution:

a.   A folder is used to store a group of files.

b.   Single user operating systems are generally used at homes.

c.   The taskbar is a long, horizontal bar at the bottom of the desktop screen.

d.   An operating system is a software that helps the user to work with the computer.

e.   The small pictures on the desktop are called icons.

Page No. 8

Q No. 2: Choose the correct option.

Solution:

a.   This software gets automatically loaded into the computer's memory when the computer is           switched on.

       i. Operating system (is correct)

b.   Which of the following is a multi-user operating system?

      i. UNIX (is correct)   

c.   The Start menu is divided into how many panes?

      ii. Two (is correct)   

d.   A folder can contain

      iii. both (i) and (ii) (is correct)   

e.   Double-clicking the __________ mouse button can open any program on the desktop.

      ii. left (is correct)

Page No. 8

Descriptive Type Questions

Q No. 1: Answer the following.

a. What does the left pane of the Start menu show?

Answer: It shows recent activities on computer.

b. What is the difference between hardware and software?

Answer: 

c. How does an operating system help the computer to function?

Answer: Operating system allows:

                1. Working of computer hardware efficiently with software.

                2. Exchanging the input data with output data.

d. Describe the properties of a desktop?

Answer: Properties of desktop are:

                1. It has window area on the screen.

                2. It has folders and files.

                3. It has icons and shortcuts.

e. Why is it important to have different files and folders?

Answer: It is important because:

                1. It organizes the data.

                2. It takes less time to search the data.

                3. It allows quick access to the data.

f. Outline the steps required to change the position of a taskbar?

Answer: Lab work (will be discuss in Computer lab. Students do not have to do this question on neat copies).

g. Why might you not be able to move the taskbar? Offer a solution.

Answer: We might not be able to move the taskbar because it is locked. To unlock it, we have to select the option of unlocking from dropdown menu.

h. List the steps you will take to access Word 2013.

Answer: Lab work (will be discuss in Computer lab. Students do not have to do this question on neat copies).

Additional Discussion and Lab Activity

Q No. 1: How to change the position of taskbar?

Q No. 2: How to lock and unlock the movement of taskbar?

Q No. 3: How to open MS Office 2013?

Q No. 4: Make a list of all programs lie at left and right pane of your computer assigned to you in computer lab?

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