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 name given to the skilled and trained professional who directs all activities related to an organization’s database?
[A] System Administrator
[B] System Manager
[C] Database administrator
[D] Database Manager
Show Answer
Correct Answer: C [Database administrator]
Notes:
A database administrator is a specialized computer systems administrator who maintains a successful database environment by directing or performing all related activities to keep the data secure.
22. There are many types of database models .Which among the following are those types ?
[A] Network Database Model
[B] Relational Database Model
[C] Object Oriented Database Model
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized and manipulated.Types of database models are Hierarchical database model,Relational model,Network model,Object oriented database model,Entity-relationship model,Document model,Entity-attribute-value model,Star schema etc.
23. What is the full form of BLOB?
[A] Binary Long Object
[B] Binary Large Object
[C] Basic Leverage Object
[D] None of the Above
Show Answer
Correct Answer: A [Binary Long Object]
Notes:
BLOB stands for Binary Large Object. In SQL, BLOB can be a general term for any data of type long varbinary, long varchar, or long wvarchar. It is also a specific term for data of type long varbinary.
24. Which of the following is the name given to the computers on a network?
[A] Point
[B] Server
[C] Nodes
[D] Connection
Show Answer
Correct Answer: C [Nodes]
Notes:
A computer network is a set of connected computers. Computers on a network are called nodes. The connection between computers can be done via cabling, most commonly the Ethernet cable, or wirelessly through radio waves.
25. Which one of the following is the first scientist to bring the idea of Personal Area Network?
[A] Nickey Jobs
[B] Hardley Jesley
[C] Thomas Zimmerman
[D] None of the Above
Show Answer
Correct Answer: C [Thomas Zimmerman]
Notes:
Thomas Zimmerman was the first research scientist to bring the idea of the Personal Area Network. Personal Area Network covers an area of 30 feet
26. Which one of the below is known as the Multi-Port Repeater?
[A] Firewall
[B] HIDS
[C] Hub
[D] Switch
Show Answer
Correct Answer: C [Hub]
Notes:
A hub, in the context of networking, is a hardware device that relays communication data. A hub sends data packets to all devices on a network.
27. What is the length of each character in ASCII code?
[A] 2-bit
[B] 8-bit
[C] 4-bit
[D] 7-bit
Show Answer
Correct Answer: D [7-bit]
Notes:
ASCII code is used to represent digital data. In ASCII code, each character is represented by a 7-bit code.
28. What is meant by the terms ‘connect time’?
[A] Speed of data transfer in a connection
[B] Amount of time it took for user to make a connection to a remote computer
[C] Amount of time user is logged in to a remote computer
[D] None of the above
Show Answer
Correct Answer: C [Amount of time user is logged in to a remote computer]
Notes:
The amount of time a user is logged in to a remote computer is called as connect time. This becomes important in as many online services charge users per connect time.
29. What is the codename given to Edge web browser?
[A] Spartan
[B] Opera
[C] Google
[D] Orange
Show Answer
Correct Answer: A [Spartan]
Notes:
Microsoft Edge is codenamed as Spartan. It is a web browser developed by Microsoft. It was first released for Windows 10 in 2015 and then for Android and iOS in 2017.
30. What does Google Play store offers?
[A] Games
[B] Books
[C] Movies
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Google Play store includes Google Play Books, Google Play Games, Google Play Movies & TV, Google Play Music. It was launched in 2012.
