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. A network that is connected to the Internet, but uses encryption to scramble all the data sent through the Internet is called ?
[A] My network
[B] Virtual Private Network
[C] Social Network
[D] None of the above
Show Answer
Correct Answer: B [Virtual Private Network ]
Notes:
A virtual private network (VPN) extends a private network across a public network, and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network. Applications running on a computing device, e.g., a laptop, desktop, smartphone, across a VPN may therefore benefit from the functionality, security, and management of the private network. Encryption is a common, though not an inherent, part of a VPN connection.
2. What are the uses of Structured Query Language (SQL)?
[A] Creating Databases
[B] Creating & Modifying Databases
[C] Creating, Modifying & Querying Databases
[D] None of the above
Show Answer
Correct Answer: C [Creating, Modifying & Querying Databases]
Notes:
Structured Query Language (SQL) is a standard computer language designed for managing data held in a Relational Database Management System (RDBMS). It is used not only for creating and modifying databases but also for querying them. In essence, SQL allows you to interact with databases in all the ways that you might need, making it an essential tool for managing complex data structures.
3. The term 128-bit era refers to which of the following?
[A] Sixth generation Computers
[B] Laptops
[C] Super computers
[D] Video game Consoles
Show Answer
Correct Answer: D [Video game Consoles ]
Notes:
The term 128 bit era refers to the sixth generation in the history of the video games and video game consoles. This started in 1998 by Japanese Sega Dreamcast (DC). Other companies that joined the bandwagon of 128 bit era include Sony PlayStation 2 (PS2), Nintendo GameCube (GC), and Microsoft Xbox. The seventh generation of video game consoles started on November 22, 2005 with the launch of the Xbox 360. The current Eighth generation of video game consoles started in 2012.
4. Which among the following is the most common source of Viruses to the hard disk of your computer?
[A] Incoming Email
[B] Outgoing Email
[C] CD ROMs
[D] Websites
Show Answer
Correct Answer: A [Incoming Email ]
Notes:
Incoming emails is the most common source of Viruses to the hard disk of a computer. Hackers are using e mail for attacking a computer. The incoming email is the most vulnerable way.
5. Which of the following audio / video formats was developed by Microsoft?
[A] MPEG
[B] ADX
[C] WMA
[D] AVS
Show Answer
Correct Answer: C [WMA]
Notes:
Windows Media Audio (WMA) is a series of audio codecs and their corresponding audio coding formats developed by Microsoft.
6. Which of the following are part of the Logical Operations of the computer?
[A] Addition
[B] Greater Than
[C] Subtraction
[D] Differentials
Show Answer
Correct Answer: B [Greater Than]
Notes:
A computer performs both arithmetic and logical operations. Examples of logical operations are greater than, less than, equal to , opposite etc.
7. What are the components of the Central Processing Unit?
[A] Control Unit
[B] Arithmetic Logic Unit
[C] Memory
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Control Unit, Arithmetic Logic Unit and Memory together are called the Central Processing Unit or the CPU.
8. Which of the following is seen as the earliest mechanical analog computer?
[A] Tally Stick
[B] Antikythera mechanism
[C] Planisphere
[D] Astrolabe
Show Answer
Correct Answer: B [Antikythera mechanism]
Notes:
The Antikythera mechanism is believed to be the earliest mechanical analog computer. It was designed to calculate astronomical positions.
9. In each of the computer parts, there are many trillions of electrical circuits which can be turned on or off with the help of an electronic switch. How are these arranged?
[A] Circuit Gates
[B] Circuit Bypass
[C] Logic Gates
[D] Data Knots
Show Answer
Correct Answer: C [Logic Gates]
Notes:
Each of the electrical circuits is arranged in logic gates so that one of the circuits may control the other circuits.
10. A communication system which transfers data between the components inside a computer or even between computers is known as
[A] Bus
[B] Wire
[C] Knot
[D] Line
Show Answer
Correct Answer: A [Bus]
Notes:
In computer architecture, a bus is a communication system which transfers data between the components inside a computer or even between computers.
