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. The performance of a hard drive or other storage device, meaning how long it takes to locate a file is called ?
[A] Response Time
[B] Access Time
[C] Quick Time
[D] None of the above
Show Answer
Correct Answer: B [Access Time ]
Notes:
Access time (or Hard Disk Access Time) is the total elapsed time between the initiation of a particular request for data and receipt of the first bit of that data.
2. 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.
3. Which of the following are indisputable characteristics of a computer?
[A] Speed
[B] Accuracy
[C] Versatility
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Speed, accuracy and versatility comprise indisputable characteristics of a computer. In addition, it also has reliability and storage capacity. These are some of the factors which make it such an important parts of our lives.
4. Which of the following is a quickly accessible location which is available to the Central Processing Unit of the computer?
[A] Memory
[B] BIOS
[C] Processor Register
[D] Graphic Card
Show Answer
Correct Answer: C [Processor Register]
Notes:
A processor register is a quickly accessible location which is available to a computer’s CPU. Registers usually consist of a small amount of fast storage and may be read-only or write-only.
5. What was the name of the first vacuum tube invented by Lee de Forest in 1906?
[A] Colossus
[B] Leedion
[C] Audion
[D] Radion
Show Answer
Correct Answer: C [Audion]
Notes:
Audion was the first vacuum tube invented in 1906 by Lee de Forest. It was the size of a person’s thumb and glowing red hot like a tiny electric light bulb. This bagged him the nickname as “the father of radio”.
6. 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.
7. EDVAC was one of the earliest electronic computers. What is its full form?
[A] Electronic Diverse Variable Automatic Computer
[B] Electronic Digital Variable Automatic Computer
[C] Electronic Data Variable Automatic Computer
[D] Electronic Discrete Variable Automatic Computer
Show Answer
Correct Answer: D [Electronic Discrete Variable Automatic Computer]
Notes:
EDVAC or Electronic Discrete Variable Automatic Computer was one of the earliest electronic computers. It was binary and a stored-program computer.
8. Which is the primary technical problem associated with hybrid computers?
[A] Reduction of Digital-computer noise
[B] Reduction of Analog-computer noise
[C] Increase of Digital-computer noise
[D] Increase of Analog-computer noise
Show Answer
Correct Answer: A [Reduction of Digital-computer noise]
Notes:
The main technical problem associated with hybrid computers is the reduction of digital computer noise.
9. What is the job of the Mother Board?
[A] Sends power to all the components
[B] Holds all the circuits and components together
[C] Displays information
[D] Tells the computer what to do
Show Answer
Correct Answer: B [Holds all the circuits and components together]
Notes:
A motherboard is the circuit board found in general purpose microcomputers . It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit and memory, and provides connectors for other peripherals.
10. The system unit of a personal computer typically contains which of the following?
[A] Microprocessor
[B] Disk Controller
[C] Serial Interface
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
The system unit, also known as a “tower”, is the main part of a desktop computer. It includes the motherboard, CPU, RAM, and other components. A CPU is only a small part of a system unit. .
