computer networks set 1 Detailed Explanation And More Example

Question : 1

What is the function of an operating system?

a) Manages computer's resources very efficiently

b) Takes care of scheduling jobs for execution

c) Manages the flow of date and instructions

d) none of the above

e) All of the above

Question : 2

________ is a technique that is used to send more than one call over a single line.

a) Digital transmission

b) Infrared transmission

c) Digitizing

d) Streaming

e) Multiplexing

Question : 3

How many OSI layers are covered in the X.25 standard?

a) Two

b) Seven

c) Three

d) Six

e) None of above

Question : 4

Multiprogramming systems:

a) Are easier to develop than single programming systems

b) Execute more jobs in the same time period

c) Execute each job faster

d) Are used only one large mainframe computers.

e) none of the above

Question : 5

Which is not the function of the Operating System?

a) Memory management

b) Disk management

c) Virus Protection

d) Application management

e) none of the above

Question : 6

Network components are connected to the same cable in the— topology,

a) mesh

b) ring

c) bus

d) star

e) mixed