Computers and IT MCQs
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2024-2025. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
21. Which of the following is the connectivity range of a Personal Area Network?
[A] 10 meters
[B] 7 meters
[C] 6 meters
[D] 9 meters
Show Answer
Correct Answer: A [10 meters]
Notes:
A Personal Area Network is smallest network which is very personal to a user.PAN has connectivity range up to 10 meters. PAN may include wireless computer keyboard and mouse, Bluetooth enabled headphones, wireless printers and TV remotes.
22. Which of the following device distributes network traffic across a number of servers?
[A] IDS
[B] Load Balancer
[C] Switch
[D] Hub
Show Answer
Correct Answer: B [Load Balancer]
Notes:
A load balancer is a device that acts as a reverse proxy and distributes network or application traffic across a number of servers. Load balancers are used to increase capacity and reliability of applications
23. Which of the following represents the Transmission time?
[A] Message size/Bandwidth
[B] Message size *Bandwidth
[C] 1/2 (Message size/Bandwidth)
[D] 2 *(Message size/Bandwidth)
Show Answer
Correct Answer: A [Message size/Bandwidth]
Notes:
The transmission time, is the amount of time from the beginning until the end of a message transmission. It depends on the size of the message and the bandwidth of the channel. Transmission time =Message size / Bandwidth
24. Which of these has the highest transmission capacity?
[A] Twisted pair cables
[B] Coaxial cables
[C] Optical fibers
[D] All have the same
Show Answer
Correct Answer: C [Optical fibers]
Notes:
Optical fibers have around 26,000 times more transmission capacity than twisted-pair cable and Coaxial cables have around 80 times more transmission capacity than twisted pair cables.
25. Which of these network topologies has every computer and network device connected to single cable?
[A] Mesh
[B] Ring
[C] Star
[D] Bus
Show Answer
Correct Answer: D [Bus]
Notes:
Bus topology is a network type in which every computer and network device is connected to single cable. It is ideal for small networks.
26. 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
Show Answer
Correct Answer: A [Hard handoff]
Notes:
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.
27. Which of the following switching methods was used by ARPANET?
[A] Message-switching
[B] Packet-switching
[C] Circuit-switching
[D] None of the above
Show Answer
Correct Answer: B [Packet-switching]
Notes:
The Advanced Research Projects Agency Network or as it is called as ARPANET was an early packet-switching network and the first network to implement the TCP/IP protocol suite.
28. Schools often use an approach in creating a limited browsing environments for the students to access. What is this approach known as?
[A] Hacked browsing
[B] Walled Garden
[C] Child Locking
[D] Mini surfing
Show Answer
Correct Answer: B [Walled Garden]
Notes:
A walled garden refers to a browsing environment that controls the information and Web sites the user is able to access. ISPs use this method in order to keep the user navigating only specific areas of the Web.
29. What is the name given to the companies providing internet services?
[A] ISP
[B] NSP
[C] NETCOM
[D] FTP
Show Answer
Correct Answer: A [ISP]
Notes:
ISP stands for Internet Service Providers. Internet Service Providers are companies that connect the common public to the Internet services.
30. Which of these internet connections is always connected to the internet?
[A] Dial-up
[B] ISDN
[C] DSL
[D] All of the above
Show Answer
Correct Answer: C [DSL]
Notes:
DSL stands for digital subscriber line. It is a type of internet connection which is always connected to the Internet. So, in this case, we don’t have to dialup to connect.
