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.
1. A hybrid computer is the one which exhibits the features of __?
[A] analog computer
[B] digital computer
[C] both analog and digital computer
[D] mainframe computer
Show Answer
Correct Answer: C [both analog and digital computer ]
Notes:
Hybrid computers are those computers which exhibit features of both the analog computers and digital computers.
2. Most of the internet banking sites provide which of the following feature to reduce the risk of keystroke logging for the password entry?
[A] Virtual keyboard
[B] Finger Touching
[C] Touch screen
[D] ShapeWriter
Show Answer
Correct Answer: A [Virtual keyboard ]
Notes:
Keystroke logging, often referred to as keylogging is the action of recording (logging) the keys struck on a keyboard. It is typically a covert thing, so that person using the keyboard is unaware that their actions are being monitored. Data can then be retrieved by the person operating the logging program. Virtual Keyboard reduces the risk of keystroke logging for the password entry.
3. Dynamic Adhoc Wireless Networks (DAWN) usually come under ___?
[A] 2G
[B] 3G
[C] 4G
[D] 5G
Show Answer
Correct Answer: D [5G]
Notes:
The DAWN Dynamic Ad-hoc Wireless Networks project is developing a general theory of complex and dynamic wireless communication networks. It comes under 5G.
4. Which of the following audio / video formats was developed by Microsoft?
[A] MPEG
[B] ADX
[C] WMA
[D] AVS
Show Answer
Correct Answer: C [WMA]
Notes:
Windows Media Audio (WMA) is a series of audio codecs and their corresponding audio coding formats developed by Microsoft.
5. Which among the following was the first operational packet switching network, and the predecessor of the Internet?
[A] TELNET
[B] ARPANET
[C] USENET
[D] ALOHAnet
Show Answer
Correct Answer: B [ARPANET]
Notes:
The Advanced Research Projects Agency Network or ARPANET was the first wide-area packet-switching network with distributed control. It is the predecessor of Internet. It is one of the first networks to implement the TCP/IP protocol suite which became the technical foundation of the Internet.
6. Which of the following devices use computers as control systems for functioning?
[A] Industrial Robots
[B] Remote Controls
[C] Microwave Ovens
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Computers are used in a huge arena of human endeavours and act as a second self to all of us. These act as control systems in a number of household and industrial devices like industrial robots, microwave ovens, remote controls, smartphones, personal computers etc.
7. Who had designed and constructed the first recognizably modern digital stored-program computer?
[A] J. Lyons
[B] John Newmann
[C] Tom Kilburn
[D] Maurice Wilkes
Show Answer
Correct Answer: D [Maurice Wilkes]
Notes:
Maurice Wilkes had designed and constructed the first recognizably modern digital stored-program computer.
8. Who among the following had designed and realised the first single-chip microprocessor?
[A] Ted Hoff
[B] Federico Faggin
[C] Stanley Mazor
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The first single-chip microprocessor was Intel 4004 was both designed and realised by Ted Hoff, Federico Faggin and Stanley Mazor at Intel Corp.
9. Which of the following system is also known as desknotes?
[A] Laptop
[B] Notebook
[C] DTR computer
[D] Nettops
Show Answer
Correct Answer: C [DTR computer]
Notes:
A Desktop Replacement computer is also known as desknotes i.e. a combination of desktop and notebook.
10. A CPU contains which of the following?
[A] A card reader and a printing device
[B] An analytical engine and a control unit
[C] A control unit and an arithmetic logic unit
[D] An arithmetic logic unit and a card reader
Show Answer
Correct Answer: C [A control unit and an arithmetic logic unit]
Notes:
CPU is the main processing unit of a computer system. It consists of a control unit and an arithmetic logic unit. A central processing unit (CPU) carries out the instructions of a computer program by performing the basic arithmetic, logic, controlling, and input/output operations specified by the instructions.
