Computer Quiz

1. What is the file extension of Ms-Word document?
1) Dot
2) Doc
3) Dom
4) Txt
5) None of these

2. The vast network of computers that connects millions of people all over the world is called—
1) LAN
2) Web
3) Hypertext
4) Internet
5) None of these

3.________ is a primary key that also appears in another file.
1) Physical key
2) Primary key
3) Foreign key
4) Logical key
5) None of these

4. The software component of an export system that draws conclusion is the
1) User interface
2) Database
3) Inference engine
4) I/O controller
5) Model Base

5.________ is an invalid type of database key.
1) Structured primary key
2) Atomic primary key
3) Primary key
4) Composite primary key
5) None of these

6. The OSI model is divided into_______ processes called layers.
(1) five
(2) six
(3) seven
(4) eight
(5) None of these

7. System software is the set of programs that enables your computer’s hardware devices and______ software to work together.
(1) management
(2) processing
(3) utility
(4) application
(5) None of these

8. ________ are specially designed computer chips which reside inside other devices, such as your car or your electronic thermostat.
(1) Servers
(2) Embedded computers
(3) Robotic computers
(4) Mainframes
(5) None of these

9. The following are all computing devices , except………
(1) notebook computers
(2) cellular telephones
(3) digital scanners
(4) personal digital assistants
(5) None of these

10. In a ring topology , the computer in possession of the______ can trasmit data
(1) packet
(2) data
(3) access method
(4) token
(5) None of these

Answers
1. (2)
2. (4)
3. (3)
4. (3)
5. (1)
6. (3)
7. (4)
8. (2)
9. (3)
10. (4)


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