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. What is used in most programs that is a part of a program and guides the user through certain steps?
[A] Software
[B] Wizard
[C] Wiki
[D] None of the above
Show Answer
Correct Answer: B [Wizard]
Notes:
A software wizard or setup assistant refers to a user interface type that presents a user with a sequence of dialog boxes that lead the user through a series of well-defined steps. Tasks that are complex, infrequently performed, or unfamiliar may be easier to perform using a wizard.
2. What is the name of the digital circuit that performs arithmetic and logical operations in computers?
[A] Arithmetic Logic Unit
[B] Digital comparator
[C] Multiplexer
[D] None of these
Show Answer
Correct Answer: A [Arithmetic Logic Unit ]
Notes:
An arithmetic-logic unit (ALU) is the part of the circuit that performs Arithmetic nad logical operations. It is the part of a computer processor (CPU). In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).
3. Now a days Vishing has become a criminal practice of using social engineering over which of the following?
[A] Social networking sites
[B] Mobile Phones
[C] E-mails
[D] Cyber cafés
Show Answer
Correct Answer: B [Mobile Phones ]
Notes:
Voice phishing or Vishing is a form of criminal phone fraud. It is using social engineering over the telephone system. It is to gain access to private personal and financial information for the purpose of financial reward.
4. Which among the following is used for denoting the detectable movement of a computer mouse?
[A] Novint
[B] Mickey
[C] Snipa
[D] Daisy
Show Answer
Correct Answer: B [Mickey]
Notes:
A mickey is a unit of measurement for the speed and movement direction of a computer mouse. So it is used for denoting the movement of a computer mouse.
5. Which of the following comprise the hardware components of the computer?
[A] Printer
[B] Keyboard
[C] Mouse
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The components of the computer which we can see and touch are called the hardware components of the computer. They include devices like keyboard, mouse, printer etc.
6. What parts did the first Analytical Engine incorporate which made it the first design for a general-purpose computer?
[A] Integrated memory
[B] Arithmetic Logic Unit
[C] Control Flow
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The Analytical Engine incorporated an Integrated memory, Arithmetic Logic Unit, Control Flow in form of conditional branching and loops which made it the first design for a general purpose computer.
7. In which computer was magnetic core memory first demonstrated?
[A] Manchester baby
[B] Ferranti I
[C] IBM 650
[D] Whirlwind Computer
Show Answer
Correct Answer: D [Whirlwind Computer]
Notes:
The first use of magnetic core was demonstrated in the Whirlwind Computer in 1953. Soon after that commercial production of the same began and it was seen in IBM 704 and Ferranti Mercury.
8. Which of the following are examples of an analog signal?
[A] Sound via an electrified copper wire
[B] Human Speech via an electrified copper wire
[C] Light
[D] Both 1 and 2
Show Answer
Correct Answer: D [Both 1 and 2]
Notes:
Examples of analog signal include sound or human speech over an electrified copper wire.
9. 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.
10. Who had build the first electronic digital computer?
[A] George Boole
[B] Charles Babbage
[C] John Atanasoff
[D] Cliff Berry
Show Answer
Correct Answer: C [John Atanasoff]
Notes:
John V. Atanasoff who is an Ameican mathematician and also a physicist built the first electronic digital computer.
