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 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.
22. Who among the following is known as the father of the DBMS?
[A] Van Neumann
[B] E.F.Codd
[C] Steve Jobs
[D] Bill Gates
Show Answer
Correct Answer: B [E.F.Codd]
Notes:
Dr E.F.Codd is also known to the world as the ‘Father of Database Management Systems’. He had propounded 12 rules which are in-fact 13 in number. The rules are numbered from zero to twelve. According to him, a DBMS is fully relational if it abides by all his twelve rules.
23. 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.
24. Which of the following are examples of Access network?
[A] ADSL
[B] ISP
[C] Mobile Network
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
An access network is a type of network which physically connects an end system to the immediate router on a path from the end system to any other distant end system. Examples of access networks are ISP, home networks, enterprise networks, ADSL, mobile network, FTTH etc.
25. What is the name given to the electronic device that receives a signal and retransmits it at a higher level?
[A] Hub
[B] Repeater
[C] Switch
[D] HIDS
Show Answer
Correct Answer: B [Repeater]
Notes:
Repeater is an electronic device that receives a signal and retransmits it at a higher level onto the other side of an obstruction, so that the signal can cover longer distances.
26. Which of the following hubs can store, amplify, split and retransmit the received signals?
[A] Passive Hub
[B] Active Hub
[C] Intelligent Hub
[D] All of the Above
Show Answer
Correct Answer: B [Active Hub]
Notes:
Active hub can store, amplify, split and retransmit the received signals. It requires additional electronic circuit for performing different functions.
27. What will be the bandwidth of a periodic signal if it is decomposed into five sine waves with frequencies of 100, 300, 500, 700 and 900 Hz?
[A] 900 Hz
[B] 100 Hz
[C] 500 Hz
[D] 800 Hz
Show Answer
Correct Answer: D [800 Hz]
Notes:
Bandwidth = Highest frequency – Lowest frequency. In this case, bandwidth will be equal to 900Hz-100 Hz i.e. 800Hz.
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 these network topologies have all the network nodes connected directly to each other?
[A] Bus
[B] Mesh
[C] Star
[D] Tree
Show Answer
Correct Answer: B [Mesh]
Notes:
Mesh topology is a point-to-point connection to other nodes or devices. All the network nodes are directly connected to each other.
30. 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.
