Basic Computer Knowledge Fundamentals Questions and Answers MCQs Set - 7

1.

In number system, LSD stands for ___________.

   A.) Left Significant Digit
   B.) Low Significant Digit
   C.) Lower Significant Digit
   D.) Least Significant Digit

Answer: Option 'D'

In number system, LSD stands for Least Significant Digit. It refers to those digits that carry least weight.

2.

Which among the following is not a mobile Operating System?

   A.) Bada
   B.) Safari
   C.) WebOS
   D.) MeeGo

Answer: Option 'B'

Safari is a web browser

3.

What type of Internet company provides pay-per-use software?

   A.) Software leasing
   B.) Software developers
   C.) Ethernet
   D.) Application service provider (ASP)

Answer: Option 'D'

Application service provider (ASP)

4.

'LAN' means

   A.) Light Area Network
   B.) Local Area Network
   C.) Large Area Network
   D.) Least Area Network

Answer: Option 'B'

Local Area Network

Basic Computer Knowledge Quiz

5.

Each excel file is called a workbook because:

   A.) It can contain text and data
   B.) It can be modified
   C.) It can contain many sheets including worksheets and chart sheets
   D.) You have to work hard to create it

Answer: Option 'C'

​It can contain many sheets including worksheets and chart sheets

6.

Which among the following is the smallest unit in an image in a computer screen?

   A.) Resolution
   B.) Array
   C.) Pixel
   D.) Clip

Answer: Option 'C'

In digital imaging, a pixel, pel, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.

7.

Which cloud is a cloud computing environment that uses a mix of on-premises, private cloud and third-party, public cloud services with orchestration between the two platforms and it is particularly valuable for dynamic or highly changeable workloads?

   A.) Dynamic Cloud
   B.) Advance Cloud
   C.) Hybrid Cloud
   D.) Combined Cloud

Answer: Option 'C'

Hybrid cloud is a cloud computing environment which uses a mix of on-premises, private cloud and third-party, public cloud services with orchestration between the two platforms. By using a Hybrid approach, companies can maintain control of an internally managed private cloud while relying on the public cloud as needed.

8.

FORTRAN is a programming language. It is more suitable for _______.

   A.) business applications
   B.) marketing applications
   C.) scientific applications
   D.) statically calculative applications

Answer: Option 'C'

FORTRAN is the best and only major programming language for scientific applications. It is designed for performing large and complex scientific numerical computing.

9.

In Computer programming there is set of subroutine definitions, protocols, and tools for building software and applications. Which among the following is a term for sets of requirements that govern how one application can talk to another?

   A.) UPS
   B.) API
   C.) J2EE
   D.) OLE

Answer: Option 'B'

An API may be for a web-based system, operating system, database system, computer hardware, or software library. It is an acronym for Application Programming Interface. An API specifies how software components should interact and APIs are used when programming graphical user interface (GUI) components.

10.

What does HTTP stands for?

   A.) Hypertext Transfer Plotter
   B.) Hypertext Transfer Plot
   C.) Hypertext Transfer Protocol
   D.) Head Tail Transfer Protocol

Answer: Option 'C'

Hypertext Transfer Protocol

11.

__________ are the gates that can be used to implement any type of Boolean logic.

   A.) OR gates
   B.) AND gates
   C.) Universal gates
   D.) Exclusive-NOR gates

Answer: Option 'C'

Universal gates are the gates that can be used to implement any type of Boolean logic or circuit. There are two universal gates, namely, NAND gate and NOR gate, which can be used to implement any of the basic logic gates.

12.

If you are allowing a person on the network based on the credentials to maintain the security of your network, then this act refers to the process of ______.

   A.) Authentication
   B.) Decryption
   C.) Encryption
   D.) Firewall

Answer: Option 'A'

The process of identifying an individual usually based on a username and password. In security systems, authentication is distinct from authorization, which is the process of giving individuals access to system objects based on their identity.

13.

Integrated Chips or IC’s were started to be in use from which generation of Computers?

   A.) 1st Generation
   B.) 2nd Generation
   C.) 3rd Generation
   D.) 4th Generation

Answer: Option 'C'

IC were started to be in use from 3rd generation of computers. In third generation of computer, IC (Integrated circuits) was used as the electronic component for computers. The development of IC gave birth to a new field of microelectronics. The main advantage of IC is not only its small size but its superior performance and reliability than the previous circuits. It was first developed by T.S Kilby. This generation of computer has huge storage capacity and higher calculating speed.

14.

Which of the following threads is used in an operating system?

   A.) User-level thread
   B.) Kernel-level thread
   C.) Hardware-level thread
   D.) Both (a) and (b)

Answer: Option 'D'

There are only two types of threads present in an operating system. One is user-level thread and the other is kernel-level thread. User-level threads are the threads which are controlled and managed by the user of the computer system. Kernel-level threads are the threads which are controlled and created by the operating system. These threads are at the kernel level of the computer system. Kernel is the one who creates the threads.

15.

BSoDs can be caused by poorly written device drivers or malfunctioning hardware, such as faulty memory, power supply issues, overheating of components, or hardware running beyond its specification limits. Which color screen is displayed when encountered a BSOD Error?

   A.) Red
   B.) Green
   C.) Blue
   D.) Black

Answer: Option 'C'

BSODs appear when Microsoft Windows encounters a critical error it can’t recover from, requiring a reboot and possibly resulting in lost work. It stands for blue screen of death. Blue screens are generally caused by problems with your computer’s hardware or issues with its hardware driver software. A blue screen occurs when Windows encounters a “STOP Error.” This critical failure causes Windows to crash and stop working

16.

The basic unit of a worksheet into which you enter data in Excel is called a

   A.) column
   B.) box
   C.) cell
   D.) table

Answer: Option 'C'

cell

Basic Computer Knowledge Quiz

17.

The hexadecimal number system represents symbols __________ and __________.

   A.) 0-9, A-E
   B.) 0-9, A-F
   C.) 1-10, A-E
   D.) 1-10, A-F

Answer: Option 'B'

The hexadecimal number system has 16 possible digits represented by the symbols 0 to 9 and the alphabets A, B, C, D, E and F.

18.

Which of the following is a correct format of Email address?

   A.) sales.website.com
   B.) sales@website.com
   C.) sales@website@com
   D.) sales.website@com

Answer: Option 'B'

sales@website.com

19.

What does the LOOKUP function do?

   A.) Looks up text that contains ‘UP’
   B.) Used to look in a single row or column and find a value from the same position in a second row or column
   C.) Finds irrelevant records
   D.) All of above

Answer: Option 'B'

LOOKUP function can be used when you need to look in a single row or column and find a value from the same position in a second row or column.

20.

Which among the following is an important circuitry in a computer system that directs the operation of the processor?

   A.) Memory
   B.) Address Bus
   C.) Control Unit
   D.) ALU

Answer: Option 'C'

The Control Unit (CU) is digital circuitry contained within the processor that coordinates the sequence of data movements into, out of, and between a processor's many sub-units.


Computer Quiz Set - 7 Download Pdf

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