Explore topic-wise MCQs in Computer Science.

This section includes 169 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

151.

A USB communication device that supports duty encryption for scare wireless loss communication for notebook users is called..........  [IBPS Clerk 2013]

A. wireless switch
B. router
C. wireless hub
D. USB wireless is not work adapts
E. None of the above
Answer» E. None of the above
Discussion
152.

Computer connected to a LAN can.......... [IBPS Clerk 2013]

A. run faster
B. share information and/or share peripheral equipment
C. go online
D. E-mail
E. None of the above
Answer» C. go online
Discussion
153.

Which is the name of the network topology in which there are bi-directional links between each possible node? [SSC CGL 2012]

A. Ring
B. Star
C. Tree
D. Mesh
Answer» E.
Discussion
154.

Which of the following items is not used in Local Area Networks (LANs)? [SSC CGL 2012]

A. Interface card
B. Cable
C. Computer
D. Modem
Answer» E.
Discussion
155.

A processor that collects the transmissions from several communication media and send them over a single line that operates at a higher capacity is called[RBI Grade B 2013]

A. multiplexer
B. bridge
C. hub
D. router
E. None of these
Answer» B. bridge
Discussion
156.

A device that connects to a network without the use of cables is said to be [IBPS Clerk 2012, RBI Grade B 2012]

A. distributed
B. cabled
C. centralised
D. open source
E. wireless
Answer» F.
Discussion
157.

A combination of hardware and software that allows communication and electronic transfer of information between computers is a[SBI Clerk 2012]

A. network
B. backup system
C. server
D. peripheral
E. modem
Answer» B. backup system
Discussion
158.

The advantage of LAN is [SBI Clerk 2012]

A. sharing peripherals
B. backing up your data
C. saving all your data
D. accessing the Web
E. automatic printing of data
Answer» B. backing up your data
Discussion
159.

How many layers are in the TCP/IP model? [SBI Clerk 2011]

A. 4 layers
B. 5 layers
C. 6 layers
D. 7 layers
E. None of these
Answer» C. 6 layers
Discussion
160.

How many bits are there in the Ethernet address?   [SBI Clerk 2011]

A. 64 bits
B. 48 bits
C. 32 bits
D. 16 bits
E. None of these
Answer» C. 32 bits
Discussion
161.

Which of the following is not a property of twisted-pair cabling?

A. Twisted-pair cabling is a relatively low- speed transmission
B. The wires can be shielded
C. The wires can be unshielded
D. Twisted-pair cable carries signals as light waves
E. All of the above
Answer» E. All of the above
Discussion
162.

Which of the following is the greatest advantage of co-axial cabling?

A. High security
B. Physical dimensions
C. Long distances
D. Easily tapped
E. All of the above
Answer» C. Long distances
Discussion
163.

These servers store and manage files for network users.

A. Authentication
B. Main
C. Web
D. File
E. None of these
Answer» E. None of these
Discussion
164.

A device operating at the physical layer is called a

A. bridge
B. router
C. repeater
D. All of these
E. None of these
Answer» D. All of these
Discussion
165.

Two or more computers connected to each other for sharing information form

A. network
B. router
C. server
D. tunnel
E. pipeline
Answer» B. router
Discussion
166.

Network components are connected to the same cable in the ......... topology.

A. star
B. ring
C. bus
D. mesh
E. tree
Answer» D. mesh
Discussion
167.

Which principle is used in making Analog Computer?

A. Mechanic
B. Hydraulic
C. Optical
D. All of these
E. None of these
Answer» E. None of these
Discussion
168.

The state of digital computer involves ________ digits

A. binary
B. 2
C. 5
D. 8
E. None of these
Answer» B. 2
Discussion
169.

The type of microcomputers are _______

A. Desktop
B. Programmable
C. Workstation
D. All of these
E. None of these
Answer» E. None of these
Discussion