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 are the Educational Softwares?
[A] MATLAB
[B] Google Earth
[C] Nasa World Wind
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
There are many types of educational softwares. Some of them are Dictionaries, Encarta, Britannica, MATLAB, Google Earth, NASA World Wind etc.
22. Which of the following terms is used for a software that is built from an existing program?
[A] Brownfield
[B] Greenfield
[C] Pre-existing
[D] None of the Above
Show Answer
Correct Answer: A [Brownfield]
Notes:
Brownfield software development is software that is built from an existing program. It may be contrasted with “Greenfield” development, which involves creating a software program from scratch.
23. Who among the following invented the FORTRAN language?
[A] J.W.Backus
[B] Steff Warner
[C] Von Neuman
[D] All of the Above
Show Answer
Correct Answer: A [J.W.Backus]
Notes:
John Warner Backus was an American computer scientist. He invented and implemented FORTRAN which is the first widely used high- level programming language. He was the inventor of the Backus–Naur form (BNF).
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. What is the full form of RAID?
[A] Redundant Array of Inexpensive Disks
[B] Replicated Array of Independent Data
[C] Redundant Array of Independent Disks
[D] All of the Above
Show Answer
Correct Answer: C [Redundant Array of Independent Disks]
Notes:
RAID stands for Redundant Array of Independent Disks. It is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units for the purposes of data redundancy, performance improvement, or both.
26. What is the name given to the situation where the lock waits only for a specified amount of time for another lock to be released?
[A] Wait Around
[B] Timeout
[C] Lock Timeout
[D] Wait Wound
Show Answer
Correct Answer: C [Lock Timeout]
Notes:
The Lock Timeout event class indicates that a request for a lock on a resource. It has timed out because another transaction is holding a blocking lock on the required resource.
27. Which one of the following is the first scientist to bring the idea of Personal Area Network?
[A] Nickey Jobs
[B] Hardley Jesley
[C] Thomas Zimmerman
[D] None of the Above
Show Answer
Correct Answer: C [Thomas Zimmerman]
Notes:
Thomas Zimmerman was the first research scientist to bring the idea of the Personal Area Network. Personal Area Network covers an area of 30 feet
28. What is the full form of NIC?
[A] Network Interface Card
[B] Network Interface Censorship
[C] Node in Connection
[D] All of the Above
Show Answer
Correct Answer: A [Network Interface Card]
Notes:
NIC stands for Network Interface Card. It is used to connect the computer to the external network. It will normally have a PCI connector to connect to one of the PC expansion slots.
29. Which of the following represents a nibble data?
[A] 2 bits
[B] 4 bits
[C] 6 bits
[D] 8 bits
Show Answer
Correct Answer: B [4 bits]
Notes:
Nibble refers to the half of an eight-bit byte or four binary digits. Byte is a group of bits (8 bits) used to represent a character. A byte is considered as the basic unit of measuring memory size in computer.
30. Which of the following represents bit length?
[A] 2 (Propagation speed * bit duration)
[B] Propagation speed/ bit duration
[C] 1/2 (Propagation speed * bit duration)
[D] Propagation speed * bit duration
Show Answer
Correct Answer: D [Propagation speed * bit duration]
Notes:
The bit length is the distance one bit occupies on the transmission medium. It is given by the formula: Propagation speed * bit duration.
