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. DDL is used to define the structure of a database, including the tables, columns, and data types that it contains. Its full form is?
[A] Data Definition Language
[B] Data Definition Link
[C] Determination Language.
[D] None of these
Show Answer
Correct Answer: A [Data Definition Language]
Notes:
A data definition or data description language (DDL) is a syntax similar to a computer programming language for defining data structures, especially database schemas. DDL statements create and modify database objects such as tables, indexes, and users. Common DDL statements are CREATE, ALTER, and DROP.
2. Which of the following best represents the main feature of the sixth generation of computers?
[A] Artificial Intelligence
[B] Integrated Circuits
[C] Vacuum Tubes
[D] Transistors
Show Answer
Correct Answer: A [Artificial Intelligence]
Notes:
The sixth generation of computers, still in its developing stage and largely theoretical as of now, is renowned for its emphasis on Artificial Intelligence. The concept includes AI systems, robotics, nanotechnology, ubiquitous computing, and quantum computation. The aim is to create machines that can learn, adapt and act based on accumulating knowledge.
3. In a computer file systems which among the following is top or first in hierarchy?
[A] root directory
[B] parent directory
[C] home directory
[D] working directory
Show Answer
Correct Answer: A [root directory ]
Notes:
In computer systems (particularly UNIX and UNIX like OS), root directory is the first and top-most directory in the hierarchy.
4. Which among the following is the time period during which a computer is malfunctioning or not operating correctly due to machine failures?
[A] Down time
[B] Up time
[C] Response time
[D] Run time
Show Answer
Correct Answer: A [Down time]
Notes:
Downtime is the time period when a system is unavailable. Downtime or outage duration refers to a period of time that a system fails to perform its primary function.
5. Dynamic Adhoc Wireless Networks (DAWN) usually come under ___?
[A] 2G
[B] 3G
[C] 4G
[D] 5G
Show Answer
Correct Answer: D [5G]
Notes:
The DAWN Dynamic Ad-hoc Wireless Networks project is developing a general theory of complex and dynamic wireless communication networks. It comes under 5G.
6. Which of the following devices incorporated a mechanical calendar computer?
[A] Astrolabe
[B] Gear-wheels
[C] Abacus
[D] Gear-train
Show Answer
Correct Answer: A [Astrolabe]
Notes:
The astrolabe was invented in the Hellenistic world by Hipparchus. The astrolabe incorporated a mechanical calendar computer.
7. 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.
8. Which of the following is / are operating systems?
[A] Windows
[B] UNIX
[C] Linux
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All of the mentioned options are called as Operating Systems.
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 first programmable analog computer?
[A] South-Pointing Chariot
[B] Planisphere
[C] Castle Clock
[D] Astrolabe
Show Answer
Correct Answer: C [Castle Clock]
Notes:
The castle clock which was a hydro-powered mechanical astronomical clock which was invented by Al-Jazari was the first programmable analog clock
