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. 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).
22. Which of the following programming languages was designed for the use in Healthcare Industry?
[A] FORTRAN
[B] MUMPS
[C] COBOL
[D] BASIC
Show Answer
Correct Answer: B [MUMPS]
Notes:
MUMPS stands for Massachusetts General Hospital Utility Multi-Programming System. It is a general-purpose computer programming language originally designed in 1966 for the healthcare industry.
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. Which of the following is the attribute which can be used to uniquely identify a row of data in a given table?
[A] Secondary Key
[B] Personal Key
[C] Primary Key
[D] Foreign Key
Show Answer
Correct Answer: A [Secondary Key]
Notes:
A primary key is a single attribute, or combination of attributes, which can be used to uniquely identify a row of data in a given table. Common primary keys include vendor ID, user ID, email address, or combination of attributes considered together such as first name, last name, and city of residence, all considered together as a single entity.
25. Which of the following networking is used when centralized management is desired or if there is little room for cabling?
[A] Local Area Networking
[B] Wide Area Networking
[C] Passive Optical Local Area Networking
[D] Optical Area Networking
Show Answer
Correct Answer: C [Passive Optical Local Area Networking]
Notes:
Passive optical LANs or POLANs are adapted to indoor network architectures, and can decrease the amount of cable and equipment required to deploy a network. POLANs are ideal if there is little room for cabling.
26. Which one of the following is a discontinued computer network operating system developed by Novell, Inc.?
[A] Netware
[B] Novellware
[C] IPX network
[D] None of the Above
Show Answer
Correct Answer: A [Netware]
Notes:
NetWare is a discontinued computer network operating system developed by Novell, Inc. It uses IPX network protocol.
27. What is the name given to the wireless network communication over short distances using radio or infrared signals?
[A] Wireless Local Area Network
[B] Local Area Wireless Network
[C] Both a and b
[D] None of the Above
Show Answer
Correct Answer: C [Both a and b]
Notes:
Wireless Local Area Networks is sometimes referred to as local area wireless network. It provide wireless network communication over short distances using radio or infrared signals instead of traditional network cabling.
28. 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.
29. Which university was connected for the first time with the Stanford Research Institute under ARPANET?
[A] University of California
[B] University of Michigan
[C] Harvard University
[D] University of New York
Show Answer
Correct Answer: A [University of California]
Notes:
The first ARPANET link was established between the University of California, Los Angeles (UCLA) and the Stanford Research Institute.
30. Which of these is an ITU-T standard protocol suite for packet-switched wide area network (WAN) communication?
[A] X.25
[B] X.15
[C] X.5
[D] X.35
Show Answer
Correct Answer: A [X.25]
Notes:
X.25 is an ITU-T standard protocol suite for packet-switched wide area network (WAN) communication. Unlike ARPANET, it was available for business use.