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. What is the name given to the program capable of running on any computer regardless of the operating system?
[A] Applet
[B] Back-end
[C] Open source software
[D] All of the Above
Show Answer
Correct Answer: A [Applet]
Notes:
An applet is a program capable of running on any computer regardless of the operating system. Many applets can be downloaded from various sites on the Internet.
22. Which of the following is true about ADA?
[A] It is a structured & Object Oriented based High level Programming language.
[B] It was designed by Jean Ichbaih of CII Honeywell Bull.
[C] Both a and b
[D] None of the Above
Show Answer
Correct Answer: C [Both a and b]
Notes:
ADA is a structured & Object Oriented based High level Programming language.ADA language was designed for embedded and real time systems.
23. Which of the following are the advantages of using a DBMS?
[A] Data security
[B] Data abstraction
[C] Data integrity
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
Data abstraction and independence A DBMS provides following advantages: Data security A locking mechanism for concurrent access An efficient handler to balance the needs of multiple applications using the same data The ability to swiftly recover from crashes and errors, including restart ability and recoverability Robust data integrity capabilities Logging and auditing of activity.
24. The CAP Theorem concludes that it is not possible for a distributed computer system to provide three guarantees at the same time. Which of the following are among these three guarantees?
[A] Consistency
[B] Availability
[C] Partition Tolerance
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
The CAP Theorem consists three following terms: Consistency states that each computer node contain all of the same data at the same time. Availability states that each database request is responded to as either successful or failure. Partition tolerance states that the database system continues operating even when not all nodes are connected to one another and suffer communication issues.
25. Which one of the following devices converts digital signal to analog signal and vice versa?
[A] Switch
[B] Router
[C] Modem
[D] Bridge
Show Answer
Correct Answer: C [Modem]
Notes:
Modem is a device that converts digital signal to analog signal as a modulator and analog signal to digital signal as a demodulator. Asynchronous modem uses start and stop bit for synchronization instead of clock.
26. Which one of the following routers sits on the periphery of the network?
[A] Core Router
[B] Access Router
[C] Edge Router
[D] Both b and c
Show Answer
Correct Answer: D [Both b and c]
Notes:
An access router is a router that sits at the periphery of a network. It is also known as edge router. It Contrast with “core router,” which is a router that resides in the middle of the network.
27. Which of the following uses digital signaling, which is inserted in the transmission channel as voltage pulses?
[A] Base-band
[B] Broadband
[C] Narrow band
[D] None of the above
Show Answer
Correct Answer: A [Base-band]
Notes:
Base-band signaling is defined as one that uses digital signaling, which is inserted in the transmission channel as voltage pulses.
28. What is the maximum download speed offered under LTE-Advanced standard?
[A] 10 Mbps
[B] 100 Mbps
[C] 1 Gbps
[D] 10 Gbps
Show Answer
Correct Answer: C [1 Gbps]
Notes:
The maximum download speed offered under LTE-Advanced standard is 1 Gbps. The LTE advanced is the 10the version of LTE.
29. Which of the following countries had a packet-switching network called as ‘CYCLADES’?
[A] USA
[B] UK
[C] Russia
[D] France
Show Answer
Correct Answer: D [France]
Notes:
The CYCLADES packet switching network was a French research network. It was the first network to make the hosts responsible for reliable delivery of data, rather than the network itself.
30. Which of these organisations was created to manage IP address spaces?
[A] TELNET
[B] ICANN
[C] W3C
[D] None of the above
Show Answer
Correct Answer: B [ICANN]
Notes:
ICANN was created in 1998 to manage IP address space and DNS root zone. The Internet Corporation for Assigned Names and Numbers (ICANN) is a nonprofit organization responsible for coordinating the maintenance and procedures of several databases related to the namespaces and numerical spaces of the Internet.