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. 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.
22. Which of the following device is used to convert the native data into signal?
[A] OCR
[B] Modem
[C] Printer
[D] Monitor
Show Answer
Correct Answer: B [Modem]
Notes:
As data cannot be sent in its native form, it is necessary to convert it into signal. This is performed with the help of a transmitter such as modem.
23. Which of these standards is defined by IEEE 802.3ab?
[A] Megabit Ethernet over copper wiring
[B] Gigabit Ethernet over Fiber optics
[C] Gigabit Ethernet over copper wiring
[D] Fast Ethernet
Show Answer
Correct Answer: C [Gigabit Ethernet over copper wiring]
Notes:
IEEE 802.3ab, which is also known as 1000BASE-T, is a standard for Gigabit Ethernet over copper wiring.
24. 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.
25. In which year ARPANET was shut down?
[A] 1992
[B] 1990
[C] 1988
[D] 1984
Show Answer
Correct Answer: B [1990]
Notes:
The ARPANET, which was initially funded by the Advanced Research Projects Agency (ARPA) of the United States Department of Defense, was shutdown and dismantled in the year 1990.
26. What does DSL stand for?
[A] Downloading Speed Limit
[B] Digital Standard Limit
[C] Data Services Layer
[D] Digital Subscriber Line
Show Answer
Correct Answer: D [Digital Subscriber Line]
Notes:
DSL stands for Digital Subscriber Line. It is a form of broadband connection as it provides connection over ordinary telephone lines.
27. Which of these softwares is necessary to view web pages on the internet?
[A] Web mail
[B] Web Browser
[C] MS Office
[D] Flash Player
Show Answer
Correct Answer: B [Web Browser]
Notes:
It is important to have a web browser installed on the computer to access the internet. This is a software program that allows viewing of web pages and navigating the Internet.
28. Which of these protocols is used by network components to find other devices in the same broadcast domain?
[A] LPR
[B] LADP
[C] NTP
[D] ARP
Show Answer
Correct Answer: D [ARP]
Notes:
The Address Resolution Protocol (ARP) is an Internet layer protocol that helps the network components find other devices in the same broadcast domain.
29. Which of these layout engines was used in Internet Explorer 4?
[A] Trident
[B] Servo
[C] Blink
[D] WebKit
Show Answer
Correct Answer: A [Trident]
Notes:
Trident is a browser engine which was developed by Microsoft for use in the Windows versions of Internet Explorer 4 to Internet Explorer 11.
30. With which of the following websites is Jimmy Wales associated?
[A] Wikipedia
[B] Microsoft
[C] Amazon
[D] Tumblr
Show Answer
Correct Answer: A [Wikipedia]
Notes:
Jimmy Wales is an American Internet entrepreneur. He is best known as the co-founder of Wikipedia. He also runs the for-profit web hosting company Wikia.