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 IMDBMS?
[A] In-Memory database management system
[B] In-Module database management system
[C] Indian Memory database management system
[D] None of the Above
Show Answer
Correct Answer: A [In-Memory database management system]
Notes:
IMDBMS stands for In-memory database management system. It provides faster response times and better performance. It is a database management system that predominantly relies on main memory for data storage, management and manipulation.
22. Which of the following DBMS is well-suited for data warehouses that have a large number of similar data items?
[A] Columnar database management system
[B] In-memory database management system
[C] RDBMS
[D] NoSQL DBMS
Show Answer
Correct Answer: A [Columnar database management system]
Notes:
CDBMS stands for Columnar database management system. It well-suited for data warehouses that have a large number of similar data items.
23. Which language is used to make changes made by the DML statement?
[A] Data Definition Language
[B] Data Control Language
[C] Transaction Control Language
[D] Structured Query Language
Show Answer
Correct Answer: C [Transaction Control Language]
Notes:
Transaction Control Language is used to run the changes made by the DML statement.(TCL) commands are used to manage transactions in the database.
24. 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.
25. What is the full form of IEC?
[A] International Electrotechnical Commission
[B] International Electrical Council
[C] Internet Embedded Commission
[D] None of the Above
Show Answer
Correct Answer: A [International Electrotechnical Commission]
Notes:
IEC stands for International Electrotechnical Commission. Along with the ISO, the IEC controls the SQL standards and many others as well.
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. Which of the following LAN technologies uses a token-bus scheme?
[A] Netware
[B] Interface
[C] ARCNET
[D] Ethernet
Show Answer
Correct Answer: C [ARCNET]
Notes:
ARCNET is a LAN technology that uses a token-bus scheme for managing line sharing among the workstations and other devices connected on the LAN.ARCNET is one of four major LAN technologies, which also include Ethernet, token ring and FDDI.
28. What do we call the time it takes for an entire message to completely arrive at the destination from the time the first bit is sent out from the source?
[A] Propagation time
[B] Transmission time
[C] Latency
[D] Throughput
Show Answer
Correct Answer: C [Latency]
Notes:
The latency or delay defines how long it takes for an entire message to completely arrive at the destination from the time the first bit is sent out from the source.
29. What do we call the time required to send one single bit?
[A] Bit interval
[B] Bit lag
[C] Bit rate
[D] Bit frequency
Show Answer
Correct Answer: A [Bit interval]
Notes:
The bit interval is the time required to send one single bit. It, along with bit rate, is used to describe the digital signals.
30. Which of these standards is used to define Ethernet based networks?
[A] IEEE 802.1
[B] IEEE 802.3
[C] IEEE 802.7
[D] IEEE 802.11
Show Answer
Correct Answer: B [IEEE 802.3]
Notes:
IEEE 802.3 is a set of standards put forth by the Institute of Electrical and Electronics Engineers (IEEE) that define Ethernet-based networks as well as the name of the working group assigned to develop these standards.
