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. Alerts are mostly appear in ______?
[A] Check box
[B] Combo box
[C] Dialog box
[D] None of the above
Show Answer
Correct Answer: C [Dialog box]
Notes:
A dialog box is a small area on a screen through which the user interacts with the computer. User is either asked to provide information or commands using this. The alerts also appear in this.
2. As a person working in internet banking environment, why you should be aware of the “Dictionary attack”?
[A] It is used to inject worms or viruses in the system
[B] It is used to determine a password
[C] It is used to access customer’s account by determining other details
[D] It is used for stealing info from the Credit Card
Show Answer
Correct Answer: B [It is used to determine a password ]
Notes:
A dictionary attack is a method of breaking into a password-protected computer or server. It is done by systematically entering every word in a dictionary as a password. A dictionary attack is used as an attempt to decrypt a message or document.
3. While browsing internet, what do we call the area of storage that compensates for the different speeds of data flow or timings of events by temporarily holding a block of data that is waiting to be processed?
[A] Cache
[B] Buffer
[C] Flash
[D] Trash
Show Answer
Correct Answer: B [Buffer]
Notes:
Buffering refers to downloading a certain amount of data before starting to play the music or movie. It manages the downloading data and temporarily holds the data as well.
4. “Don’t be evil” was the informal corporate motto of which of the following internet giants?
[A] google
[B] Yahoo
[C] Microsoft
[D] Baidu
Show Answer
Correct Answer: A [google]
Notes:
“Don’t be evil” was used in Google’s corporate code of conduct and was considered to be an informal motto. However, it has been removed now off the code of conduct.
5. In context with the dotted number format used in the IPv4 , which among the following is NOT possible?
[A] 128.0.0.1
[B] 255.152.0.0
[C] 259.1.1.268
[D] 202.102.4.4
Show Answer
Correct Answer: C [259.1.1.268]
Notes:
Please note that the above arrangement is known as `dotted quad` and in any of the 4 figures, the value can not exceed 256. So correct option is C
6. Which of the following devices comprise the output unit?
[A] Control Unit
[B] Visual Display Unit
[C] Secondary Memory
[D] Primary Memory
Show Answer
Correct Answer: B [Visual Display Unit]
Notes:
Devices like a printer and visual display unit that are used to provide information to the user in the desired format are called output unit.
7. Who gave the first successful demonstration of use of a simplified analytical engine in computing tables in 1888?
[A] Charles Babbage
[B] Henry Babbage
[C] Vannevar Bush
[D] H.W. Nieman
Show Answer
Correct Answer: B [Henry Babbage]
Notes:
The first successful demonstration of the use of a simplified analytical engine in computing tables in 1888 was given by Henry Babbage.
8. Which of the following is the first example of an electromechanical relay computer?
[A] Differential Analyzer
[B] Torpedo Data Computer
[C] Z2
[D] Jacquard Loom
Show Answer
Correct Answer: C [Z2]
Notes:
The Z2, created by a German Engineer Konrad Zuse in 1939, was one of the foremost examples of an electromechanical relay computer.
9. Which of the following is / are operating systems?
[A] Windows
[B] UNIX
[C] Linux
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All of the mentioned options are called as Operating Systems.
10. In which of the following applications are analog computers used?
[A] Measurement of Electric Current
[B] Measurement of Frequency
[C] Measurement of Resistance of a Capacitor
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
An Analog computer is used in a variety of industrial and scientific applications like measurement of electric current, measurement of frequency and also resistance of a capacitor.
