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.
11. Who had conceived the idea of the first ever Graphical User Interface?
[A] Steve Jobs
[B] Douglas Engelbart
[C] Alan Kay
[D] Bill Gates
Show Answer
Correct Answer: C [Alan Kay]
Notes:
The idea of the very first Graphical User Interface was conceived by Alan Kay. It was then pronounced as gooey.
12. 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.
13. 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.
14. 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.
15. Which of the following devices is used for video games, flight simulators, training simulators and for controlling industrial robots?
[A] Mouse
[B] Light pen
[C] Joystick
[D] Keyboards
Show Answer
Correct Answer: C [Joystick]
Notes:
Joystick is the device used for the same. It is a point-and-draw device. It has a click button, a stick, a ball, a socket as well as a light indicator.
16. Which if the following is used to provide hardcopy ?
[A] CRT
[B] Computer Console
[C] Printer
[D] Card Reader
Show Answer
Correct Answer: C [Printer]
Notes:
A printer is a peripheral device which makes a persistent human-readable representation of graphics or text on paper. The best-known non- impact printers are the inkjet printer.
17. Which of the following clearly defines the word Bus Width?
[A] It is the size of the vehicle used to ship the computer.
[B] It is the number of pins in a computer port.
[C] It is the number of bits that can be sent to a CPU simultaneously.
[D] None of the Above
Show Answer
Correct Answer: C [It is the number of bits that can be sent to a CPU simultaneously.]
Notes:
The speed of system random-access memory is determined by two factors: bus width and bus speed. Bus width refers to how many bits of information RAM can send to the CPU at the same time.
18. Which of the following consist of the computer main memory?
[A] Hard drive and RAM
[B] CD-ROM and hard drive
[C] RAM and ROM
[D] CMOS and hard drive
Show Answer
Correct Answer: C [RAM and ROM]
Notes:
The main memory in a computer is called Random Access Memory. It is also known as RAM. This is the part of the computer that stores operating system software.
19. If your computer is overheating, Which of the following things you can do about it?
[A] Ensure Proper Ventilation
[B] Clean Out Computer’s Case
[C] Tune Up Heat Sinks
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
If there is no idea of why your computer started overheating, open its case and check that all the fans are running. If CPU is overheating, its heat sink may not be seated correctly or its thermal paste may be old.
20. Which of the following phenomena is used by the Blu Rays to store data?
[A] Magnetic
[B] Optical
[C] Laser
[D] All of the Above
Show Answer
Correct Answer: C [Laser]
Notes:
A blue laser is a laser that emits electromagnetic radiation with a wavelength between 360 and 480 nanometers, which the human eye sees as blue or violet. Some of the most commercially common blue lasers are the diode lasers used in Blu-ray applications.
