Basic Computer Knowledge Fundamentals Questions and Answers MCQs Set - 7

1.

AT&T designed its first commercial modem, specifically for converting digital computer data to analog signals for transmission across its long distance network. What is the name of the modem?

   A.) Telex
   B.) Memex
   C.) CompuServe
   D.) Dataphone

Answer: Option 'D'

In 1960's AT&T introduces its Dataphone, the first commercial modem. The first commercial modem made for converting digital computer data at analog signals for transmission across long distance networks

2.

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.

3.

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.

4.

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.

5.

Microsoft Word is a word processor developed by Microsoft. In MS Word Spelling Check is a feature available in which tab?

   A.) File
   B.) Home
   C.) Review
   D.) References

Answer: Option 'C'

In MS Word Spelling and Grammar check is available in Review Tab. Some other options available in Review are: Research, Thesaurus, Word Count, Translate, Language, New Comment, Tracking, Compare and Protect.

6.

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.

7.

Which among the following is not an Object Oriented Programming Language?

   A.) Python
   B.) PASCAL
   C.) Ruby
   D.) Java

Answer: Option 'B'

Pascal is an imperative and procedural programming language, designed in 1968/1969 and published in 1970 by Niklaus Wirth as a small and efficient language intended to encourage good programming practices using structured programming and data structuring.

8.

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

9.

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

10.

The most widely used type of database management system is the:

   A.) Flat database
   B.) Network database
   C.) Relational database
   D.) Hierarchical database

Answer: Option 'C'

A relational database management system (RDBMS) is a database management system (DBMS) that is based on the relational model as invented by E. F. Codd. Relational databases have often replaced legacy hierarchical databases and network databases because they are easier to understand and use.

11.

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.

12.

A function inside another function is called a _______ function.

   A.) Nested
   B.) Round
   C.) Sum
   D.) Grouped

Answer: Option 'A'

A function inside another function is called a nested function.

13.

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.

14.

A Web site's main page is called

   A.) Bookmark
   B.) Browser Page
   C.) Home Page
   D.) Search Page

Answer: Option 'C'

Home Page

15.

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.

Computer Quiz Set - 7 Download Pdf

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