IN-CLASS EXERCISE

INTRODUCTION TO COMPUTER

1. Which one is TRUE about computer?

A Accept DataB Process data into informationC Electronic devicesD All of the above

2. Hardware is ___________________________________________________

3. What is instruction?______________________________________________________________

4. List out the 5 elements of Generating information from a computer (information system)

i. ________________ii. ________________iii. ________________iv. ________________v. ________________

5. What is the difference of ‘input’ and ‘input devices’?___________________________________________________________________________________________________________________________________________________________________________

6. What is the difference of ‘output’ and ‘output devices’?___________________________________________________________________________________________________________________________________________________________________________

7. Two types of display devices are:i. CRT monitorii. CTR monitoriii. Flat panel displayiv. Liquid display

A i and iiB ii and iiiC i and ivD i and iii

8. Please write YES or NO at appropriate box:

Optical Disc Read Write Erase

CD-Rom

CD-R

CD-RW

9.DESCRIPTION PROGRAM

a set of programs containing instructions that coordinate all the activities among computer hardware resources.

a type of system software that allows a user to perform maintenance-type tasks, usually related to managing a computer, its devices or its programs.

Application software

10. Industry experts typically classify computers in seven categories. This categories may differ by the computer’s:

I. sizeII. color III. speed IV. processing power

A I, II, IIIB I, II, IVC I, III, IVD II, III, IV

11. Which one is NOT embedded computer?

A CameraB Alarm systemC Washing machineD server

12. _____________ is a number that uniquely identifies each computer or device connected to the Internet.

A Internet Protocol (IP) addressB Communication devicesC Information processing addressD Internet Protocol (IP) name

13. Fill the black cell

Operator Description

Space or + Display hits that include specific words.

Display hits that include only one word from a list.

- (minus)

Exact phrase in a certain order

14. Computer communications describes a process in which two or more computers or devices transfer data, instructions and information. For successful communications, you need the following EXCEPT:

A Communication device

B Communication channel

C Communication platform

D Sending device and receiving device

15. Fill the black cell

NETWORK Description

MAN

A network that connects computers and devices in a limited geographical area.Shares resources such as printers, large hard disks and programs.

Using a communications channel that combines many types of media;

• Telephone lines• Cable• Radio waves

16.

What is the suitable viewing angle at label A?

__________________

17. Which of the following answers is TRUE about keyboard height as label B in Figure?

A 23 to 28 inches depending on height of userB 32 to 82 inches depending on height of userC 23 to 28 inches depending on weight of userD 32 to 82 inches depending on weight of user

A

B