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. Garnet Operating System was developed to be used in which of the following devices?
[A] Laptops
[B] PDAs
[C] Smartphones
[D] Both b and c
Show Answer
Correct Answer: D [Both b and c]
Notes:
Garnet OS is also known as Palm OS. It is a discontinued mobile operating system initially developed for personal digital assistants (PDAs) in 1996. Later versions of the OS have been extended to support smartphones.
22. 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.
23. 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.
24. Which of the following is the term used to describe the process of forecasting in data?
[A] Data integrity
[B] Data Mining
[C] Data Encryption
[D] PERT Chart
Show Answer
Correct Answer: B [Data Mining]
Notes:
Data mining is the process of discovering patterns in large data sets. It involves methods at the intersection of machine learning, statistics, and database systems.
25. 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.
26. What is the full form of CSMA?
[A] Carrier Sense Multiple Access
[B] Collision Sense Model Arrangement
[C] Carrier Sense Model Access
[D] None of the Above
Show Answer
Correct Answer: A [Carrier Sense Multiple Access]
Notes:
The most common access method of the bus topologies is CSMA or Carrier Sense Multiple Access. It is a media access control used to control the data flow so that data integrity is maintained so that the packets do not get lost.
27. What are the other names for a Network Interface Card?
[A] LAN adaptor
[B] Network adaptor
[C] Network Card
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A Network Interface Card is circuit board or a card that allows computers to communicate over a network via cables or wirelessly. Every network adaptor is assigned a unique 48-bit Media Access Control address, which is stored in ROM to identify themselves in a network.
28. 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.
29. What is the alteration of the signal due to differing propagation speeds of each of the frequencies called as?
[A] Distortion
[B] Attenuation
[C] Noise
[D] None of the above
Show Answer
Correct Answer: A [Distortion]
Notes:
Distortion is the change in the waveform of the signal due to noise. It is the alteration of the signal due to differing propagation speeds of each of the frequencies.
30. Which of the following devices can help to extend the range of a wireless router?
[A] Wireless repeater
[B] Wireless adapter
[C] Wimax
[D] Network interface card
Show Answer
Correct Answer: A [Wireless repeater]
Notes:
Wireless repeater is used to extend the range of a wireless router. A repeater receives wireless signals and amplifies the strength of the signals, and then re-emits them.
