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. How many Gigabyte of information a Digital Versatile Disk (DVD) can store?
[A] 4.6
[B] 5.6
[C] 6.6
[D] 7.6
Show Answer
Correct Answer: A [4.6]
Notes:
DVD is a digital optical disc storage device developed in 1995.The basic types of DVD are referred to by a rough approximation of their capacity in gigabytes.
22. Which of the following is the another name given to the LCD display?
[A] LED
[B] TFT
[C] CRT
[D] All of the Above
Show Answer
Correct Answer: B [TFT]
Notes:
A thin-film-transistor or TFT is a variant of a liquid-crystal display (LCD) that uses thin-film-transistor (TFT) technology to improve image qualities such as addressability and contrast.
23. Which of the following is the term used for the way in which multiple teams of developers collaborate on a software project?
[A] Iterative
[B] Agile
[C] Waterfall
[D] Front End
Show Answer
Correct Answer: B [Agile]
Notes:
Agile development methods are a set of procedures that dictate the ways in which multiple teams of developers collaborate on a project. The term “agile software development” was introduced in 2001.
24. Who among the following is known as the father of the DBMS?
[A] Van Neumann
[B] E.F.Codd
[C] Steve Jobs
[D] Bill Gates
Show Answer
Correct Answer: B [E.F.Codd]
Notes:
Dr E.F.Codd is also known to the world as the ‘Father of Database Management Systems’. He had propounded 12 rules which are in-fact 13 in number. The rules are numbered from zero to twelve. According to him, a DBMS is fully relational if it abides by all his twelve rules.
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. Which of the following networking devices is used for delivery of messages between VPN nodes?
[A] Router
[B] VPN connector
[C] Switch
[D] Hub
Show Answer
Correct Answer: B [VPN connector]
Notes:
A VPN concentrator is a type of networking device that provides secure creation of VPN connections and delivery of messages between VPN nodes.
27. What is the name given to the device that converts between two different types of transmission for interoperation?
[A] Bridge Router
[B] Protocol Convertor
[C] Multilayer Switch
[D] Hub Jointer
Show Answer
Correct Answer: B [Protocol Convertor]
Notes:
A Protocol Converter is a device used to convert standard or proprietary protocol of one device to the protocol suitable for the other device or tools to achieve the interoperability.
28. Which of the following devices has high bandwidth?
[A] Switch
[B] Router
[C] Modem
[D] Bridge
Show Answer
Correct Answer: A [Switch]
Notes:
A network switch is a computer networking device that connects devices on a computer network by using packet switching to receive, process, and forward data to the destination device.
29. 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.
30. Which of the following factors significantly impacts the data transmission rate?
[A] Available bandwidth
[B] Signal strength
[C] Noise level
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Data transmission speed, or the data rate, is significantly influenced by several factors. Available bandwidth, which is the data handling capacity of the connection, plays a critical role. The strength or level of signals being used also affects the data rate. A weak signal can lead to slower transmission. The noise level, which refers to any unwanted interference, can disturb the data signal and thus reduce the speed.
