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. Who is the founder of Wikipedia?
[A] Peer Schneider
[B] Byron Looper
[C] Rickard Eriksson
[D] Jimmy wales
Show Answer
Correct Answer: D [Jimmy wales]
Notes:
Jimmy Wales is an American-British Internet entrepreneur. He is a co-founder of the online encyclopedia Wikipedia. It was founded in 2001.
4. Who is considered as the father of the computer?
[A] William Thomson
[B] Lord Kelvin
[C] Charles Babbage
[D] Pierre Jaquet-Droz
Show Answer
Correct Answer: C [Charles Babbage]
Notes:
Charles Babbage, an English mechanical engineer and polymath gave the concept of a programmable computer. He is considered as the “Father of the Computer”.
5. How are the four main components of a computer interconnected internally?
[A] Cars
[B] Buses
[C] Lines
[D] Rods
Show Answer
Correct Answer: B [Buses]
Notes:
A general purpose computer has four components like the Arithmetic Logical Unit, the Control Unit, the memory and input-output devices. These parts are interconnected by buses.
6. 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.
7. Which of the following are examples of analog computer?
[A] Resistance of a Capacitor
[B] Signal Frequency
[C] Voltage
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Examples of analog computer include temperature, pressure, telephone lines, signal frequency, resistance of a capacitor, voltage etc.
8. Which of the following comprise vital electronic components of an analog clock?
[A] Multipliers
[B] Potentiometers
[C] Operational amplifiers
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Key electronic components of an analog computer include precision resistors, multipliers, potentiometers, operational amplifiers, fixed-function generators etc.
9. Where are the instructions which are used to run a digital computer stored?
[A] Motherboard
[B] Hard Disk
[C] Memory
[D] All of the above
Show Answer
Correct Answer: C [Memory]
Notes:
The digital computer works by counting, comparing and manipulating various digits and their combinations as per the instructions which are stored in the memory.
10. Which of the following events marked the beginning of the history of personal computers?
[A] Release of IBM System/360
[B] Invention of the transistor
[C] Launch of the MITS Altair 8800
[D] Foundation of Microsoft Corporation
Show Answer
Correct Answer: C [Launch of the MITS Altair 8800]
Notes:
The history of personal computers is marked by the launch of the MITS Altair 8800, a microcomputer kit based on the Intel 8080 CPU, in 1975. The Altair is considered as the first computer designed for home use, although it was initially sold as a kit for hobbyists. It triggered the personal computer revolution and inspired the creation of the Microsoft Corporation.
