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. What is HTTP 404?
[A] An error message indicating server not found
[B] An error message indicating moved permanently
[C] An error message indicating forbidden
[D] An error message indicating server found
Show Answer
Correct Answer: A [An error message indicating server not found ]
Notes:
The HTTP 404, 404 Not Found, 404, Page Not Found, or Server Not Found error message is Hypertext Transfer Protocol standard response code. In computer network communications it indicates that the browser was able to communicate with a given server but server cant find it.
3. What kind of operations can a computer carry out?
[A] Arithmetic and Logical
[B] Verbal and Logical
[C] Logical and Cognitive
[D] Verbal and Arithmetic
Show Answer
Correct Answer: A [Arithmetic and Logical]
Notes:
A computer is a device which can carry out sequences of arithmetic and logical operations automatically with the help of computer programming.
4. When were the first digital electronic calculating machines developed?
[A] During Industrial Revolution
[B] During World War I
[C] During World War II
[D] During Cold War
Show Answer
Correct Answer: C [During World War II]
Notes:
During the Industrial Revolution, some mechanical devices were built to automate long and difficult tasks. The first digital electronic calculating machines were developed during World War II.
5. In a book of which author was the word computer first mentioned?
[A] Mark Twain
[B] Sherlock Holmes
[C] Richard Braithwait
[D] Enid Blyton
Show Answer
Correct Answer: C [Richard Braithwait]
Notes:
As per the Oxford English Dictionary, the word “computer” was first used in 1613 in a book called The Yong Mans Gleanings by English writer Richard Braithwait.
6. When did the Online Etymology Dictionary first attested the use of the word “computer” as one who calculates?
[A] 1630s
[B] 1680s
[C] 1670s
[D] 1640s
Show Answer
Correct Answer: D [1640s]
Notes:
The Online Etymology Dictionary first attested the use of the word “computer” in the 1640s as one who calculates.
7. Which of the following is the correct sequence of stages of data processing in a computer?
[A] Data Collection- Input Raw Data- Processing of Data-Information- Output
[B] Data Collection-Input Information-Processing of Data- Output
[C] Data Collection- Data Processing- Information-Data Output
[D] Data Input-Data Processing-Data Collection-Information-Output
Show Answer
Correct Answer: A [Data Collection- Input Raw Data- Processing of Data-Information- Output]
Notes:
The correct sequence of stages of data processing is Data Collection-Input Raw Data-Processing of Data-Information-Output
8. 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.
9. Which of the following is a Text-based user interface?
[A] GNOME
[B] KDE
[C] Aqua
[D] Command-line interface
Show Answer
Correct Answer: D [Command-line interface]
Notes:
A text-based user interface is Command-line Interface. It is a text-based application is one whose primary input and output are based on the text.
10. 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.
