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DOEACC O Level Exam Questions – Part 1

Here are another set of 20 questions for the preparation of the DOEACC O Level Examination.

Multiple Choice

1.Which of the following devices can be used ti input printed text?

a. OCR
b. OMR
d. All of the above

2.CPU reads the information from secondary memory

a. directly
b. first, information is transferred to main memory and from there,the CPU reads
c. through registers
d. none of these

3. Add, subtract,Divide,Multiply and Logiv operations are performed by

a. Registers

b. Control unit


d. None of the above

4. Main memory stores

a. data only
b. program only
c. data, program and results or any other kind of information
d. None of these

5.A smart terminal is one which

a. looks very attractive
b. has inbuilt processing capability
c. must convert input on CRT screen
d. None of these

6. A Laser printer uses

a. photosensitive drum
b. Camera lens
c. heat sensitive paper
d. None of the above

7. A plotter is

a.a input device to produce good quality graphics
b.an output device to produce drawings and graphics
c a fast output device using camera lenses
d. None of these

8. In hard disk ,the 0 track is

a. the outermost
b. the innermost
c. totally machine dependent
d. None of the above

9. Logical operations in a computer is done by

a. Registers
b. Control unit
c. ALU
d. None of the above

10. A CD-ROM is

a. an optical ROM
b. a magnetic ROM
c. an erasable ROM
d. None of the above

11. Software designed for a specific purpose is called as

a . system software
b. compiler
c. specific software
d. application software

12. One of the following is not an output device.

a. Plotter
b. Pinter
d. Smart and intelligent terminal

13.Which of the following is Not a mouse technique commonly used in windows?

a. lifting.
b. dragging
c. double-clicking
d. clicking

14. A language translator is best described as

a. an application software
b. system software
c. a hardware component
d.an operating system

15. A floppy disk is organized as

a. track
c. tracks and sectors
d. heads and sectors

16. Optical storage technique is used as

a. floppy disk drive
b.hard disk drive.
c. magnetic disk drive
d.CD-ROM drive

17. The errors that can be pointed out by the compiler are

a.syntax error
b.semantic errors
c.logical errors
d. None of the above

18.which one of following is not an output device?

d. digitizer

19.Which one is not a multimedia device?

a. T.V, system
b. a book having only text(no diagrams)
c.A modern personal computer
d.None of the above

20. which one is an open source operating system?
a. Unix
c.MS windows
d. None of the above

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