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 removing a software bug / defect which is available for free of cost from the software provider?
[A] Version
[B] update
[C] help
[D] patch
Show Answer
Correct Answer: D [patch]
Notes:
A patch is a collective name of all the changes to a computer program aimed to update, fix, or improve it including addressing the security vulnerabilities and other bugs.
5. 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.
6. Which part of the computer carries out the arithmetic and logical operations?
[A] Control Unit
[B] Processing Element
[C] BIOS
[D] Mother Board
Show Answer
Correct Answer: B [Processing Element]
Notes:
The processing element carries out the arithmetic and logical operations while the control unit changes the order of questions in response to stored information.
7. How are registers measured?
[A] Number of programs
[B] Number of bits
[C] Number of Occurence
[D] Number of reference points
Show Answer
Correct Answer: B [Number of bits]
Notes:
Registers are normally measured by the number of bits they can hold like an 8-bit register, a 32-bit register etc.
8. Who had developed a computer named “Woz” described as the hacker’s hacker?
[A] Steve Wozniack
[B] Ed Roberts
[C] Steve Jobs
[D] Federico Faggin
Show Answer
Correct Answer: A [Steve Wozniack]
Notes:
Steve Wozniak was a Californian electronics wizard, had developed a computer of his own named “Woz” often described as the hacker’s hacker.
9. Who among the following is most likely to operate a personal computer?
[A] End-user
[B] Technician
[C] Software Engineer
[D] All of the above
Show Answer
Correct Answer: A [End-user]
Notes:
A personal computer is basically a multipurpose computer which is designed specifically for individual use. It is thus more likely to be used by an end-user.
10. Which of the following devices usually come with touchscreens?
[A] Nintendo Game Consoles
[B] Electronic Voting Machines
[C] Point of Sale Systems
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A touchscreen is basically an input device which is present on top of an electronic visual display. It is found in devices like Nintendo Game Consoles, EVMs, Personal computers, POS systems.