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 term used to describe software that is pre-packaged by the developer of the product?
[A] On-the-shelf
[B] Pre installed
[C] Off-the-shelf
[D] Both b and c
Show Answer
Correct Answer: C [Off-the-shelf]
Notes:
Off-the-shelf is a term used to describe software or hardware that is pre-packaged by the developer of the product. For example, Microsoft Office is a Commercial off-the-shelf product that is a packaged software solution for businesses.
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 among the following are the basic components of a relational database model?
[A] Table
[B] Record
[C] Field
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
In the relational database model, data is stored in relations, more commonly known as tables. Tables, records (sometimes known as tuples), and fields (sometimes known as attributes) are the basic components of a RDBMS.
24. ACID is a set of properties of database transactions intended to guarantee validity even in the event of errors, power failures etc.What is the full form of ACID?
[A] Aquired Consistency In Database
[B] Atomicity, Consistency, Isolation, Durability
[C] Atomicity,Control,Isolation,Dependency
[D] Atomicity,Concurrecny,Isolation,Durability
Show Answer
Correct Answer: B [Atomicity, Consistency, Isolation, Durability]
Notes:
Andreas Reuter and Theo Harder coined the acronym ACID for Atomicity, Consistency, Isolation, and Durability. In the context of databases, a sequence of database operations that satisfies the ACID properties is called a transaction.
25. What is the name given to the computing infrastructure close to the sources of data?
[A] Edge Computing
[B] Embedded Computing
[C] Encrypted Computing
[D] None of the Above
Show Answer
Correct Answer: A [Edge Computing]
Notes:
Edge computing refers to the computing infrastructure at the edge of the network, close to the sources of data. Edge computing reduces the communications bandwidth needed between sensors and the datacenter.
26. Which one of the following is not an example of WAN?
[A] Ethernet
[B] ISDN
[C] Frame Relay
[D] ATM
Show Answer
Correct Answer: A [Ethernet]
Notes:
In MAN, various LANs are connected to each other through a telephone exchange line. The most widely used protocols in MAN are RS- 232, Frame Relay, ATM, ISDN, OC-3, ADSL, etc.
27. Which of the following is used to connect computers and other end user devices to networking devices such as hubs & switches?
[A] Router
[B] Straight-Through Cable
[C] Patch Cable
[D] Both b and c
Show Answer
Correct Answer: D [Both b and c]
Notes:
Straight-Through cable is also referred to as a “patch cable.” Straight-through cable is used to connect computers and other end user devices to networking devices such as hubs & switches.
28. Which of the following can be the source of data?
[A] Computer
[B] Telephone handset
[C] Video Camera
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Typically the source of data is a computer, but it can be any other electronic equipment such as telephone handset, video camera, etc, which can generate data for transmission to some destination.
29. Which of the following is not a disadvantage of a Tree network topology?
[A] It is heavily cabled
[B] Error detection is difficult
[C] High cost
[D] Whole network fails if central hub fails
Show Answer
Correct Answer: B [Error detection is difficult]
Notes:
One of the advantages of TREE network topology is that the error detection is easily done. Also, it is easy to manage and expand.
30. What does ARPANET stand for?
[A] Automated Research Projects Agency Network
[B] American Research Projects Agency Network
[C] Advanced Research Projects Agency Network
[D] American Research Projects Automatic Network
Show Answer
Correct Answer: C [Advanced Research Projects Agency Network]
Notes:
ARPANET stands for Advanced Research Projects Agency Network. It was the first network to implement the TCP/IP protocol suite.