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. 32 bit operations were introduced for the first time by Microsoft in ________?
[A] windows 9.5
[B] windows 3.0
[C] windows 3.11
[D] None of the above
Show Answer
Correct Answer: C [windows 3.11]
Notes:
Windows 3.11 was released on November 8, 1993. It added many feature improvements over Windows 3.1. 32 bit operations were introduced for the first time by Microsoft.
3. 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.
4. 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.
5. 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.
6. While browsing internet, what do we call the area of storage that compensates for the different speeds of data flow or timings of events by temporarily holding a block of data that is waiting to be processed?
[A] Cache
[B] Buffer
[C] Flash
[D] Trash
Show Answer
Correct Answer: B [Buffer]
Notes:
Buffering refers to downloading a certain amount of data before starting to play the music or movie. It manages the downloading data and temporarily holds the data as well.
7. Who is the founder of Wikipedia?
[A] Peer Schneider
[B] Byron Looper
[C] Rickard Eriksson
[D] Jimmy wales
Show Answer
Correct Answer: D [Jimmy wales]
Notes:
Jimmy Wales is an American-British Internet entrepreneur. He is a co-founder of the online encyclopedia Wikipedia. It was founded in 2001.
8. Which among the following is NOT a web browser?
[A] SpaceTime
[B] NeoPlanet
[C] Sputnik
[D] MeeGo
Show Answer
Correct Answer: D [MeeGo]
Notes:
MeeGo is not a web browser. It is a discontinued Linux distribution hosted by the Linux Foundation, using source code from the operating systems Moblin and Maemo.
9. Which of the following comprise the input devices?
[A] Keyboard
[B] Mouse
[C] Both 1 ans 2
[D] Only 1
Show Answer
Correct Answer: C [Both 1 ans 2]
Notes:
Devices like keyboard and mouse are used to input data and instructions to the computer and are called the input unit.
10. Which of the following comprise the software components of a computer?
[A] Programs
[B] Keyboard
[C] BIOS
[D] Memory
Show Answer
Correct Answer: A [Programs]
Notes:
The set of instructions or programs that make the computer function using the hardware parts are called the software. We cannot see or touch software.
