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. 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. Which of the following are found in abundance in a relational database?
[A] Keys
[B] Tables
[C] Records
[D] Sets
Show Answer
Correct Answer: B [Tables]
Notes:
In Relational model, data is stored in tables and is represented in form of tuples. RDBMS is used to manage Relational database. Relational database is a collection of organized set of tables related to each other, and from which data can be accessed easily.
25. Which of the following is the connectivity range of a Personal Area Network?
[A] 10 meters
[B] 7 meters
[C] 6 meters
[D] 9 meters
Show Answer
Correct Answer: A [10 meters]
Notes:
A Personal Area Network is smallest network which is very personal to a user.PAN has connectivity range up to 10 meters. PAN may include wireless computer keyboard and mouse, Bluetooth enabled headphones, wireless printers and TV remotes.
26. 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.
27. What does ARPANET stand for?
[A] Automated Research Projects Agency Network
[B] American Research Projects Agency Network
[C] Advanced Research Projects Agency Network
[D] American Research Projects Automatic Network
Show Answer
Correct Answer: C [Advanced Research Projects Agency Network]
Notes:
ARPANET stands for Advanced Research Projects Agency Network. It was the first network to implement the TCP/IP protocol suite.
28. In which year the Domain Name System was invented?
[A] 1985
[B] 1984
[C] 1983
[D] 1982
Show Answer
Correct Answer: C [1983]
Notes:
Domain Name System was invented in 1983. Paul Mockapetris invented the Domain Name System (DNS) thus expanding the internet.
29. Which of these is known as the first search engine?
[A] Archie
[B] WAIS
[C] Gopher
[D] Google
Show Answer
Correct Answer: A [Archie]
Notes:
The Archie search engine is known to be the first search engine. It was developed in 1991 and was followed by WAIS and Gopher.
30. What do we call the process of limiting bandwidth consumption by users?
[A] Bandwidth Shaping
[B] Downstreaming
[C] Net Neutrality
[D] Walling
Show Answer
Correct Answer: A [Bandwidth Shaping]
Notes:
Bandwidth Shaping refers to a tool used by ISPs to limit or direct bandwidth consumption by users. Bandwidth shaping is also called bandwidth allocation or referred to as a bandwidth management tool.
