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 gave the first theory related to computer software?
[A] Ada Lovelace
[B] Alan Turing
[C] Steve Jobs
[D] Bill Gates
Show Answer
Correct Answer: B [Alan Turing]
Notes:
The first theory about software prior to creation of computers was proposed by Alan Turing in his 1935.This eventually led to the creation of the academic fields of computer science and software engineering.
22. Which of the following scheduling techniques is the most widely used in a time shared operating system?
[A] Round Robin
[B] Shortest Job First
[C] Elevator
[D] First Come First Serve
Show Answer
Correct Answer: A [Round Robin]
Notes:
Round robin is used in time shared operating system, as it is more responsible. Time slices are assigned to each process in equal portions and in circular order, handling all processes without priority.
23. Which of the following is the another term used for Software hosting?
[A] Cloud computing
[B] On demand service
[C] Software as a service or Saas
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
Hosted, on-demand, cloud computing, software as a service all mean the same thing. Organizations host their software and data externally with a provider and can access it over the internet from anywhere at any time.
24. What is the term used for computer software that is undergoing testing and has not yet been officially released?
[A] Alpha Software
[B] Beta Software
[C] Gamma Software
[D] Ready-to-use Software
Show Answer
Correct Answer: B [Beta Software]
Notes:
Beta software refers to computer software that is undergoing testing and has not yet been officially released. The beta phase follows the alpha phase.
25. 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.
26. Which among the following are the database languages?
[A] Data Definition Language
[B] Data Manipulation Language
[C] Data Control Language
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
There are many types of Database Languages. A few among them are – Data Definition Language. DDL stands for Data Definition Language, Data Manipulation Language, Data Control Language etc.
27. Which of the following networking devices forwards data packets between computer networks?
[A] Router
[B] Gateway
[C] Switch
[D] Hub
Show Answer
Correct Answer: A [Router]
Notes:
A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet.
28. What is the actual measurement of data that can be sent over network?
[A] Bandwidth
[B] Throughput
[C] Queue size
[D] None of the above
Show Answer
Correct Answer: B [Throughput]
Notes:
The throughput is the actual measurement of data that can be sent over network. It is different from Bandwidth which is the maximum amount of data that can travel through a network.
29. Which of the following represents a sine wave?
[A] Non-periodic analog signal
[B] Periodic analog signal
[C] Periodic digital signal
[D] Non-periodic digital signal
Show Answer
Correct Answer: B [Periodic analog signal]
Notes:
The sine wave is the most fundamental form of a periodic analog signal. A periodic signal completes a pattern within a measurable time frame, called a period, and repeats that pattern over subsequent identical periods.
30. What is the bandwidth limit for CAT5e cable?
[A] upto 1 Mbps
[B] upto 2 Mbps
[C] upto 10 Mbps
[D] upto 1 Gbps
Show Answer
Correct Answer: D [upto 1 Gbps]
Notes:
CAT5e can support upto 1 Gbps speeds. It was made as an improvement over CAT5 cables which can support data transmission upto 100Mbps.
