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Free computer quiz Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. Which of the following uses network address translation?
(a)
Windows 3.1
(b)
Hubs
(c)
Routers
(d)
Network adapter drivers
2. What is the port number of HTTP?
(a)
23
(b)
80
(c)
86
(d)
99
3. ASK, PSK, FSK and QAM are example of _____ encoding.
(a)
Analog-to-digital
(b)
Analog-to-analog
(c)
Digital-to-digital
(d)
Digital-to-analog
4. A communication network which is used by large organizations over regional, national or global area is called
(a)
WAN
(b)
LAN
(c)
MAN
(d)
Intranet
5. What is the name of the device that connects two computers by means of a telephone line?
(a)
Bus
(b)
Cable
(c)
Modem
(d)
Tape
6. A distributed data processing configuration in which all activities must pass through a centrally located computer is called a
(a)
Data control network
(b)
Hierarchical network
(c)
Spider network
(d)
Ring network
7. Carrier is
(a)
A collection of interconnected functional units that provides a data communications service among stations attached to the network
(b)
The condition when two or more sections attempt to use the same channel at the same time
(c)
One or more conductors that serve as a common connection for a related group of devices
(d)
A continuous frequency capable of being modulated or impressed with a second signal
8. A teleprocessing system may consist of
(a)
User systems
(b)
Computer center systems
(c)
Communications systems
(d)
All of the above
9. Devices on one network can communicate with devices on another network via a
(a)
Gateway
(b)
Printer server
(c)
Utility server
(d)
File server
10. Demodulation is a process of
(a)
Performing data description
(b)
Multiplexing various solutions into one high speed line signals
(c)
Converting analog to digital signals
(d)
Converting digital to analog signals
