Computer Basics MCQ Questions and Answers for Practice

1. The Central Processing Unit

1. is operated from the control panel.
2. is controlled by the input data entering the system
3. controls the auxiliary storage unit
4. controls all input, output and processing

2. Computer follows a simple principle called GIGO which means:

1. garbage input good output
2. garbage in garbage out
3. great instructions great output
4. good input good output

3. The term ‘baud’ is a measure of the:

1. speed at which data travels over the communication line
2. memory capacity
3. instruction execution time
4. all of the above

4. A bootstrap is:

1. a memory device
2. a device to support the computer
3. a small initialisation program to start up a computer
4. an error correction technique

5. Which of the following is not hardware:

1. Magnetic tape
2. Printer
3. VDU terminal
4. Assembler

6. The access method used for magnetic tape is

1. direct
2. random
3. sequential
4. none of the above

7. The difference between memory and storage is that the memory is __________ and storage is _________

1. Temporary, Permanent
2. Permanent, Temporary
3. Slow, Fast
4. Fast, Slow

8. Which of the Following holds the ROM, CPU, RAM and expansion cards

1. Hard Disk
2. Floppy Disk
3. Motherboard
4. None

9. The language that the computer can understand and execute is called ______

1. Machine Language
2. Assembly Language
3. Application Software
4. System program

10. Which of the following devices can be used to directly input printed text

1. OCR
2. OMR
3. MICR
4. DISC

11. A floppy disk contains

1. Circular tracks only
2. Sectors only
3. Both circular tracks and sectors
4. None of the above

12. CD-ROM is a

1. Semiconductor memory
2. Memory register
3. Magnetic memory
4. None of the above

13. Actual execution of instructions in a computer takes place in

1. ALU
2. Control unit
3. Storage unit
4. Mothrboard

14. Which of the following is used as a primary storage device

1. Magnetic tape
2. PROM
3. Floppy disk
4. CD ROM

15. Information retrieval is faster from

1. CD ROM
2. Floppy Disk
3. Hard Disk
4. None of the above