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 correctly define the meaning of the word Kernel?
[A] It is the set of primitive functions upon which the rest of operating system functions are built up.
[B] It is considered as the shell of the operating system.
[C] It is the software which monitors the operating system.
[D] All of the Above
Show Answer
Correct Answer: A [It is the set of primitive functions upon which the rest of operating system functions are built up.]
Notes:
A kernel is the central part of an operating system. The kernel is the lowest level of the operating system. The kernel is the main part of the operating system and is responsible for translating the command into something that can be understood by the computer.
22. Which of the following is the form designer software application?
[A] Pendragon Forms
[B] Handbase Designer
[C] Vector Forms
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
Pendragon Forms is a robust forms designer and mobile data collection software. HanDBase takes the fields defined and creates a data entry screen automatically.
23. Which of the following issues are related to the Software aging?
[A] Quality of Software decreases
[B] Entropy of Software increases
[C] Both a and b
[D] None of the Above
Show Answer
Correct Answer: C [Both a and b]
Notes:
Software aging refers to progressive performance degradation of a software system due to exhaustion of operating system resources, fragmentation and accumulation of errors.
24. Which of the following is the final step when it has determined that a transaction has been completed successfully?
[A] Rollback
[B] Commit
[C] Transit
[D] None of the Above
Show Answer
Correct Answer: B [Commit]
Notes:
A commit is the final step in the successful completion of a previously started database change as part of handling a transaction in a computing system.
25. Which of the following networking hardware can operate at anyone of the seven layers of the open systems interconnection model?
[A] Router
[B] Gateway
[C] Switch
[D] Modem
Show Answer
Correct Answer: B [Gateway]
Notes:
Gateways are distinct from routers or switches in that they communicate using more than one protocolh6k and can operate at any of the seven layers of the open systems interconnection model .
26. Which of the following networking devices is used for delivery of messages between VPN nodes?
[A] Router
[B] VPN connector
[C] Switch
[D] Hub
Show Answer
Correct Answer: B [VPN connector]
Notes:
A VPN concentrator is a type of networking device that provides secure creation of VPN connections and delivery of messages between VPN nodes.
27. What is the time needed by each device on a network, to hold the message before processing, called as?
[A] Propagation time
[B] Queuing time
[C] Transmission time
[D] Jitter
Show Answer
Correct Answer: B [Queuing time]
Notes:
The time needed for each intermediate or end device to hold the message before it can be processed. The queuing time is not constant as it changes with the load imposed on the network.
28. Which of the following factors significantly impacts the data transmission rate?
[A] Available bandwidth
[B] Signal strength
[C] Noise level
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Data transmission speed, or the data rate, is significantly influenced by several factors. Available bandwidth, which is the data handling capacity of the connection, plays a critical role. The strength or level of signals being used also affects the data rate. A weak signal can lead to slower transmission. The noise level, which refers to any unwanted interference, can disturb the data signal and thus reduce the speed.
29. Which of these was the split off version of ARPANET for the military use?
[A] MILNET
[B] DEFNET
[C] MILTECH
[D] USDEFNET
Show Answer
Correct Answer: A [MILNET]
Notes:
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.
30. Which of the following device encodes and decodes the analog signals in a dial-up connection?
[A] Modem
[B] NIC
[C] Router
[D] None of the above
Show Answer
Correct Answer: A [Modem]
Notes:
Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves. A modem converts between analog and digital forms.
