Grade IV, Chapter 1

Learn with Hafiza Palwasha

OXFORD (Book 4), KEYBOARD
Computer Science With Application Software (Third Edition).

Solution

Chapter No. 1

Uses of Computers

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.    Perform

2.    Storage addresses

3.    Track

4.    Calculations

5.    Internet

6.    Projects

7.    Animation

8.    Sequence

9.    Technique

10.  Appearance

11.  Movement

12.  Images

13.  Character

14.  Positions

15.  Modified

16.  Special effects

17.  Battle

18.  Earthquake

19.  Technology

20. Equipment

21. Satellite

22. Research

23. Predict

24. Patterns

25. Shuttles

26. Records

27. Communicating

28. Emails

29. Typing

30. Printing

31. Libraries

32. Database

33. Maintain

34. Computerised

35. Manufacture

36. Account details

37. Customer

38. Statements

39. Installed

40. Withdraw

41. Architects

42. Stocks

43. Computer-Controlled Cameras

44. Identifying

45. Vehicles

46. Traffic

47. Diagnosing diseases

48. Volcanoes

49. Distant

50. Galaxies

51. Guided

52. Chemicals

53. Sunken ships

54. Minerals

55. Deposits

56. Explore

57. Reservation

58. Booking counters

59. Common network

60. Enable

61. Book tickets

62. Personnel

63. Availability

64. Latest status

65. Displayed

Exercise

Solution

Page No. 6

Q No. 1: Write T for the true statement and F for the false one.

Solution:

a.   Computers can be used in shops for preparing bills.          T

b.   Robots cannot be controlled by computers.          F

c.   Computers are used by engineers to diagnose diseases.          F

d.   Computers are also used in homes.          T

e.   Computers are used in banks.          T

Page No. 6 & 7

Q No. 1: Choose the correct option.

Solution:

a.   In which of the following areas are computers used?

       iv. all of these (is correct)

b.   Computers are used for ticket reservations at the booking counters of __________

      iii. both i. and ii (is correct)   

c.   Which of the following tasks is performed by robots?

      iv. all of these (is correct)   

d.   A/An __________ designs building and houses on computers.

      i. architect (is correct)   

e.   Students use computers for

      i. preparing projects (is correct)

Page No. 7

Descriptive Type Questions

Q No. 1: Answer the following.

a. How are computers useful in a school library?

Answer: In school computers are used:

               1. To prepare and deliver lectures to make them interactive.

               2. To search the e-books.

               3. To maintain the record of library books.

b. What is the use of an ATM?

Answer: ATM stands for Automated Teller Machine which is use to withdraw money at any time.

c. Are there any skills that you are not using anymore because of computers?

Answer: Yes, skills that I am not using anymore:

                1. Writing letters, eid and marriage cards to relatives and friends.

                2. Dictionary-using skills to search a word.

                3. Drawing on paper.

d. Before computers, all official records, such as school report cards, were either hand-written or typed using typewriters? How has the use of computers in schools changed this? Is it beneficial for you or for the school? Give reasons for your answers.

Answer: Using of computers add up a lot of beneficial changes because:

                1. It creates auto generated reports and result records.

                2. Easy to maintain payment records.

e. Do you think that computers have made places like shopping malls, airports, and hotels more secure in today's society? Justify your response with good examples.

Answer: Yes, because the CCTV cameras help to monitor all activities like tracking thieves and luggage.

Additional Question

Q: Draw a mind map of 'Computers in different areas'.

Answer:

Additional Discussion and Lab Activity

Q No. 1: How computers are uses in: Homes, Offices, Schools, Banks and Shops?

Q No. 2: Do verbal discussion on 'Application-Based Questions' on page 7.

Q No. 3: Do a comparison of searching books in library of your school and searching books on internet.

Q No. 4: Draw a computer system, name the computer parts and label them.

Q No. 5: Do Q No. 1 on MS Word.

Reference Pictures

Uses of Computers in different fields. It's the reference picture with the reference of class discussion.

USES OF COMPUTERS AT HOMES

USES OF COMPUTERS AT OFFICES

USES OF COMPUTERS AT SCHOOLS

USES OF COMPUTERS AT BANKS

USES OF COMPUTERS AT SHOPS

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