Computer Awareness MCQs & Quiz for Banking, IBPS, RRB, RBI, SBI Exams - Set 7

1)   Which of these network topologies has every computer and network device connected to single cable?

a. Mesh
b. Ring
c. Star
d. Bus
Answer  Explanation 

ANSWER: Bus

Explanation:
Bus topology is a network type in which every computer and network device is connected to single cable. It is ideal for small networks.


2)   Which of the following is a disadvantage of using twisted paired cables for transmitting data?

a. High cost
b. Installation is difficult
c. Delay Skew
d. All of the above
Answer  Explanation 

ANSWER: Delay Skew

Explanation:
Twisted paired cables are cost-effective and easy to install. But different pairs within the cable have different delays, due to different twist rates that are used to minimize crosstalk between the pairs.


3)   What is the full form of Wi-Fi?

a. Wireless Fidelity
b. Wireless Find
c. Wireless Function
d. Wireless Fiber
Answer  Explanation 

ANSWER: Wireless Fidelity

Explanation:
WI-Fi stands for Wireless Fidelity. It is a local area wireless technology. It allows an electronic device to transfer data or connect to the internet using radio waves.


4)   What is the full form of GSM?

a. Geographic System for Mobile
b. Great System of Mobile
c. Geographic Special Mobile
d. Global System for Mobile
Answer  Explanation 

ANSWER: Global System for Mobile

Explanation:
GSM stands for Global System for Mobile. Before this it was known as Group Special Mobile. As GSM increases its global presence, the term was changed to Global System for Mobile.


5)   Which of the following techniques is used by UMTS?

a. FDMA
b. CDMA
c. TDMA
d. SDMA
Answer  Explanation 

ANSWER: CDMA

Explanation:
UMTS uses wideband code division multiple access (W-CDMA) radio access technology which offers greater spectral efficiency and bandwidth to mobile network operators.


6)   What do we call the handoff in which there is a break in the connection on the cellular network?

a. Hard handoff
b. Soft handoff
c. Rigid handoff
d. Variable handoff
Answer  Explanation 

ANSWER: Hard handoff

Explanation:
Hard Handoff refers to an actual break in the connection while switching from one cell or base station to another. The switch takes place so quickly that it can hardly be noticed by the user.


7)   Which of these was the split off version of ARPANET for the military use?

a. MILNET
b. DEFNET
c. MILTECH
d. USDEFNET
Answer  Explanation 

ANSWER: MILNET

Explanation:
MILNET was the name given to the part of the ARPANET internetwork designated for unclassified United States Department of Defense traffic. MILNET was physically separated from the ARPANET in 1984.


8)   Which of the following internet connections serves only textual matter of a web page?

a. Shell connection
b. TCP/IP connection
c. ISDN
d. All of the above
Answer  Explanation 

ANSWER: Shell connection

Explanation:
In Shell Connection, the user will get only textual matter of a Web Page as it does not support Graphics display or multimedia files.


9)   Which of these devices are used to send the data to a particular destination?

a. Repeater
b. Switch
c. Modem
d. None of the above
Answer  Explanation 

ANSWER: Switch

Explanation:
A switch learns about MAC address connected to each port and will only send data on that port that is addressed to those MAC addresses.


10)   What is the bandwidth limit for CAT5e cable?

a. upto 1 Mbps
b. upto 2 Mbps
c. upto 10 Mbps
d. upto 1 Gbps
Answer  Explanation 

ANSWER: upto 1 Gbps

Explanation:
CAT5e can support upto 1 Gbps speeds. It was made as an improvement over CAT5 cables which can support data transmission upto 100Mbps.