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. One kilobyte has _____?
[A] 1000 bytes
[B] 128 bytes
[C] 1024 bytes
[D] 1036 bytes
Show Answer
Correct Answer: C [1024 bytes]
Notes:
The kilobyte is equal to 1024 bytes (210 B), a common usage. The usage of the metric prefix kilo for binary multiples rose convenient, because 1024 is approximately 1000.
2. Which among the following is correct about 4GL?
[A] A computer brand
[B] A software brand
[C] A software program
[D] A programming language
Show Answer
Correct Answer: D [A programming language ]
Notes:
4GL means fourth-generation programming language.
3. “Internet escrow ” is a term most commonly related to which of the following?
[A] E-commerce
[B] Software Development
[C] Privacy Security
[D] Database Management
Show Answer
Correct Answer: A [E-commerce]
Notes:
Escrow is a financial instrument whereby an asset is held by a third party on behalf of two other parties that are in the process of completing a transaction. E commerce hold the asset of a merchant before it is sold to a customer. So it is Internet escrow.
4. In the Windows XP, what does XP stands for?
[A] Extra-Powerful
[B] Experience
[C] Extended Platform
[D] Experience Platform
Show Answer
Correct Answer: B [Experience]
Notes:
Windows XP is an operating system introduced in 2001. It is from Microsoft’s Windows. The “XP” in Windows XP stands for eXPerience. Microsoft called the XP release its one of the most important product.
5. 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.
6. Who had proposed the principle of modern computer in his 1936 paper?
[A] Alan Turing
[B] Geoff Tootill
[C] Ferranti Mark
[D] Grace Hopper
Show Answer
Correct Answer: A [Alan Turing]
Notes:
The principle of the modern computer was proposed by Alan Turing. His seminal paper “On Computable Numbers” has proposed a device called the Universal Computing Machine.
7. What kind of information each of the electrical circuits represents?
[A] Arithmetic
[B] Tertiary
[C] Binary
[D] Quaternary
Show Answer
Correct Answer: C [Binary]
Notes:
Each circuit represents a bit (binary digit) information. When the circuit is on, it represents a “1” and a “0” when it is off in a positive logic representation.
8. What was the special feature of the Apple Lisa computer launched in 1983?
[A] Windows XP
[B] GUI Desktop
[C] DOS
[D] Front Panel with Red Lights
Show Answer
Correct Answer: B [GUI Desktop]
Notes:
Steve Jobs launched the Apple Lisa in 1983 which was the first widely available computer with a GUI desktop. It was Jobs own version of the Alto project.
9. What does the amplitude of an analog wave measure?
[A] Frequency
[B] Intensity
[C] Wavelength
[D] All of the above
Show Answer
Correct Answer: B [Intensity]
Notes:
The amplitude of an analog wave is a measure of its intensity which is related to the highest point called crest and the lowest point called trough.
10. 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.
