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 being managed by a database management systems
[A] Data
[B] Database Engine
[C] Database Schema
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
The DBMS manages three important things: the data, the database engine and the database schema. The database schema defines the database’s logical structure.
22. Which of the following is the final step when it has determined that a transaction has been completed successfully?
[A] Rollback
[B] Commit
[C] Transit
[D] None of the Above
Show Answer
Correct Answer: B [Commit]
Notes:
A commit is the final step in the successful completion of a previously started database change as part of handling a transaction in a computing system.
23. What is the name given to the undoing of partly completed database changes?
[A] Commit
[B] Edit
[C] Undo
[D] Rollback
Show Answer
Correct Answer: D [Rollback]
Notes:
A rollback is the undoing of partly completed database changes when a database transaction is determined to have failed.
24. In the OSI model, Bridging is performed in which of the following layers?
[A] Layer 7
[B] Data Link Layer
[C] Session Layer
[D] Transport Layer
Show Answer
Correct Answer: B [Data Link Layer]
Notes:
In the OSI model, bridging is performed in the data link layer. A network bridge is a computer networking device that creates a single aggregate network from multiple communication networks or network segments.
25. Which one of the following routers sits on the periphery of the network?
[A] Core Router
[B] Access Router
[C] Edge Router
[D] Both b and c
Show Answer
Correct Answer: D [Both b and c]
Notes:
An access router is a router that sits at the periphery of a network. It is also known as edge router. It Contrast with “core router,” which is a router that resides in the middle of the network.
26. Which of the following is not a disadvantage of a Tree network topology?
[A] It is heavily cabled
[B] Error detection is difficult
[C] High cost
[D] Whole network fails if central hub fails
Show Answer
Correct Answer: B [Error detection is difficult]
Notes:
One of the advantages of TREE network topology is that the error detection is easily done. Also, it is easy to manage and expand.
27. Which of the following radio signals are used by 1G networks?
[A] Analog
[B] Digital
[C] Both Analog and Digital
[D] None
Show Answer
Correct Answer: A [Analog]
Notes:
The radio signals used by 1G networks are analog. While the radio signals used by the 2G networks are digitals. This is one of the main differences between 1G and 2G.
28. 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.
29. In which year the Computer Science Network started functioning?
[A] 1978
[B] 1982
[C] 1981
[D] 1975
Show Answer
Correct Answer: C [1981]
Notes:
The Computer Science Network (CSNET) was a computer network that began operation in 1981 in the United States. The CSNET project was funded by the National Science Foundation for an initial three-year period from 1981 to 1984.
30. Which of these protocols is considered as the effective predecessor of the World Wide Web?
[A] LDAP
[B] Gopher
[C] SMTP
[D] SSH
Show Answer
Correct Answer: B [Gopher]
Notes:
The Gopher protocol is an application layer protocol which is designed for distributing, searching, and retrieving documents over the Internet. The Gopher ecosystem is considered as the effective predecessor of the World Wide Web.
