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. Which among the following defines web2.0 most precisely?
[A] A New version of Internet
[B] A Series of technological improvements in World Wide Web
[C] A New labeling of old Softwares improved
[D] None of these
Show Answer
Correct Answer: B [A Series of technological improvements in World Wide Web ]
Notes:
It is the second stage of internet. Web 2.0 refers to websites that emphasize user-generated content, ease of use, participatory culture and interoperability (i.e., compatible with other products, systems, and devices) for end users.
2. 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.
3. Most of the internet banking sites provide which of the following feature to reduce the risk of keystroke logging for the password entry?
[A] Virtual keyboard
[B] Finger Touching
[C] Touch screen
[D] ShapeWriter
Show Answer
Correct Answer: A [Virtual keyboard ]
Notes:
Keystroke logging, often referred to as keylogging is the action of recording (logging) the keys struck on a keyboard. It is typically a covert thing, so that person using the keyboard is unaware that their actions are being monitored. Data can then be retrieved by the person operating the logging program. Virtual Keyboard reduces the risk of keystroke logging for the password entry.
4. What do we call a storage device where the access time is effectively independent of the location of the data?
[A] Direct Access Storage Device
[B] Secondary Storage Device
[C] Primary Storage Device
[D] Gateway Device
Show Answer
Correct Answer: A [Direct Access Storage Device ]
Notes:
A direct-access storage device is a secondary storage device. It is the place where “each physical record has a discrete location and a unique address”. IBM coined the term DASD as a shorthand describing hard disk drives, magnetic drums, and data cells.
5. Which of the following indicates where is the computer is in terms of the program sequence?
[A] Logic Gate
[B] Knot Circuit
[C] Program Manager
[D] Program Counter
Show Answer
Correct Answer: D [Program Counter]
Notes:
The program counter which is commonly known as the instruction pointer is actually a processor register that points where a computer is in its program sequence.
6. Which of the following is a common property of a computer program?
[A] Terms of Reference
[B] Reference files
[C] Locality of Reference
[D] Line of Reference
Show Answer
Correct Answer: C [Locality of Reference]
Notes:
A highly common property of a computer program is the locality of reference. This basically refers to accessing of the same values repeatedly and frequently holding these in registers for improvement of performance.
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. 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”.
9. Which among of the following was the world’s first electronic stored-program computer?
[A] Colossus
[B] ENIAC
[C] Manchester Baby
[D] EDVAC
Show Answer
Correct Answer: C [Manchester Baby]
Notes:
The Manchester Baby was the world’s first electronic stored-program computer built at Victoria University of Manchester by Frederic C. Wiiliams.
10. Which of the following are examples of an analog signal?
[A] Sound via an electrified copper wire
[B] Human Speech via an electrified copper wire
[C] Light
[D] Both 1 and 2
Show Answer
Correct Answer: D [Both 1 and 2]
Notes:
Examples of analog signal include sound or human speech over an electrified copper wire.
