Computer Awareness MCQs and Quiz for Banking, IBPS, RRB, RBI, SBI Exams
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2020-2021. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
21. Which of the following are the core mathematical operations which are used in an electric analog computer?
[A] Integration
[B] Exponentiation
[C] Inversion
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The core mathematical operations which are used in an electric analog computer are- integration, exponentiation, inversion, addition, multiplication, logarithm and division.
22. Which of the following tasks can be performed by a digital computer?
[A] Analyze vast amount of business data
[B] Simulating Global weather patterns
[C] Regulating operations of machines
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All the tasks mentioned above can be performed by a digital computer like analyzing vast amount of business data, simulation of global weather patterns, regulation of operations of machines etc.
23. What are four basic functional elements of a digital computer?
[A] Input-Output Equipment
[B] Main Memory
[C] Control Unit and ALU
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A digital computer system has four basic functional elements like the input-output equipment, main memory, control unit and the arithmetic logic unit.
24. 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.
25. 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.
26. What are the possible uses of a home theatre PC?
[A] Convergence Device
[B] Digital Video Recorder
[C] Digital Photo Viewer
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A home theatre PC is a convergence device which is used as a Digital Video Recorder, digital photo viewer, video player, music player etc.
27. Which of the following are features of a subnotebook?
[A] Small physical dimensions
[B] Larger than hand-held computers
[C] Run complete versions of desktop/laptop OS
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A subnotebook has all the features of a standard laptop computer but it has smaller physical dimensions. They are larger than hand-held computers and usually play on full-versions of the desktop/laptop OS.
28. Which of the following is a pointing device that uses light to determine mouse motion?
[A] Trackball
[B] Touch screen
[C] Optical Mouse
[D] None of the Above
Show Answer
Correct Answer: C [Optical Mouse]
Notes:
An optical mouse is a computer mouse which uses a light source, typically a light-emitting diode (LED), and a light detector, such as an array of photodiodes, to detect movement relative to a surface.
29. 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.
30. Which of the following computer memory is both static and nonvolatile?
[A] RAM
[B] ROM
[C] Cache Memory
[D] Hard Disk
Show Answer
Correct Answer: B [ROM]
Notes:
Read-only memory is a type of non-volatile memory used in computers and other electronic devices. Data stored in ROM can only be modified slowly. It consists of a programmed integrated circuit that doesn’t lose data when powered down, making it nonvolatile.
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