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 full form of BASIC?
[A] Beginners All Purpose Symbolic Instruction Code
[B] Basic All Purpose Synthesis Instruction Code
[C] Beginners All Purpose Symbolic Instruction Code
[D] Beginners All Possible Symbolic Instruction Code
Show Answer
Correct Answer: A [Beginners All Purpose Symbolic Instruction Code]
Notes:
BASIC stands for Beginners All Purpose Symbolic Instruction Code. It is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use.
22. Which of the following are the examples of ORDBMS?
[A] PostgreSQL
[B] Greenplum
[C] SQL Server
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
Examples of ORDBMSs include PostgreSQL developed by the PostgreSQL Global Development Group,Oracle Database by Oracle Corporation, Informix by IBM,SQL Server by Microsoft and Greenplum Database by Pivotal Software etc.
23. There is a situation in which resources are held by two or more connections that are each needed by the other connections. What is the name given to such a situation?
[A] Deadlock
[B] Debugging
[C] Instance
[D] Remote Procedure Call
Show Answer
Correct Answer: A [Deadlock]
Notes:
Deadlock is a situation in which resources are held by two or more connections that are each needed by the other connections so that they are stuck in an infinite wait loop.
24. 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.
25. 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
26. Which of the following cables work on the properties of light?
[A] Coaxial cables
[B] Twisted pair
[C] Fiber optics
[D] None
Show Answer
Correct Answer: C [Fiber optics]
Notes:
Fiber Optic works on the properties of light. When light ray hits at critical angle it tends to refracts at 90 degree. This property is the basis of fiber optics.
27. Who invented the Twister pair cables?
[A] James Macmillan
[B] Henry Ford
[C] Alexander Graham Bell
[D] Ron Cable
Show Answer
Correct Answer: C [Alexander Graham Bell]
Notes:
Twisted-pair cabling was invented by Alexander Graham Bell in 1881. It is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility.
28. Which of the following switching methods was used by ARPANET?
[A] Message-switching
[B] Packet-switching
[C] Circuit-switching
[D] None of the above
Show Answer
Correct Answer: B [Packet-switching]
Notes:
The Advanced Research Projects Agency Network or as it is called as ARPANET was an early packet-switching network and the first network to implement the TCP/IP protocol suite.
29. In which year the Domain Name System was invented?
[A] 1985
[B] 1984
[C] 1983
[D] 1982
Show Answer
Correct Answer: C [1983]
Notes:
Domain Name System was invented in 1983. Paul Mockapetris invented the Domain Name System (DNS) thus expanding the internet.
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.
