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Top 100+ Computer Science Questions and Answers

Computer Science always plays an important role in the exam and proves to be effective in getting your good marks. These Computer MCQ most important for many exam like – State TET, UPTET, CTET, MPTET, REET. Computer questions are being asked in almost all the competitive examinations . Computer Science questions and answers with explanations are provided for your competitive exams and entrance tests.

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If you prepare competitive exam you read other article .Top 100 Basic Computer Questions to Help You Prepare for Competitive Exams. IN this website we provide free and knowledgeable Practice MCQ Questions NCERT, Engineering Technical, Quantitative Aptitude, General knowledge, Reasoning, and Current Affairs for Competitive Exam so please read another article. Here in this article you read Top 100+ Computer Science Questions and Answers .

Top 100+ Computer Science Questions and Answers

Computer Questions and Answers

Q. A collection of hyperlinked documents on the internet forms the ?

  1. World Wide Web (WWW
  2. E-mail system
  3. Mailing list
  4. Hypertext markup language

Answer :- (A) World Wide Web (WWW)

Q. Which of the following structure has four fields?

  1. Parse tree
  2. Triples
  3. Indirect Triples
  4. Quadruples

Answer :- (D). Quadruples

Explanation: Quadruples are a record structure in a compiler with four fields for implementing the three address code.

Q. In which of the following tree, the leaf indicates the operand, and the interior node represents the operator.

  1. Syntax tree
  2. Parser tree
  3. Structured tree
  4. Sematic tree

Answer :- (A). Syntax tree

Explanation: Syntax tree is a tree in the compiler which represents operands by leaf and operator by interior nodes.

Q. Which statement is an abstract form of intermediate code?

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  1. 3- address
  2. 2-address
  3. address
  4. Intermediate code

Answer :- (A). 3-address

Q. The location of a resource on the internet is given by its?

  1. Protocol
  2. URL
  3. E-mail address
  4. ICQ

Answer :- (B) URL

Q. The term HTTP stands for?

  1. Hyper terminal tracing program
  2. Hypertext tracing protocol
  3. Hypertext transfer protocol
  4. Hypertext transfer program

Answer :- (C) Hypertext transfer protocol

Q. What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences?

  1. Unshielded twisted pair
  2. Optical fiber
  3. Coaxial cable
  4. Microwave

Answer :- (B) Optical fiber

Q. Which of the following is generally used for performing tasks like creating the structure of the relations, deleting relation?

  1. DML(Data Manipolation Language
  2. Query
  3. Relational Schema
  4. DDL(Data Definition Language

Answer :- (D)

Q. A proxy server is used as the computer?

  1. with external access
  2. acting as a backup
  3. performing file handling
  4. accessing user permissions

Answer :- (A) with external access

Q. Which of the following best describes uploading information?

  1. Sorting data on a disk drive
  2. Sending information to a host computer
  3. Receiving information from a host computer
  4. Sorting data on a hard drive

Answer :- (B) Sending information to a host computer

Q. Which one of the following is the most common internet protocol?

  1. HTML
  2. NetBEUI
  3. TCP/IP
  4. IPX/SPX

Answer :- (C) TCP/IP

Q. The architecture of a database can be viewed as the ________

  1. One level
  2. Two-level
  3. Three-level
  4. Four level

Answer :- (C)

Q. Ready the Query carefolly:

SELECT emp_name FROM department WHERE dept_name LIKE ‘ _____ Computer Science’;

In the above-given Query, which of the following can be placed in the Query’s blank portion to select the “dept_name” that also contains Computer Science as its ending string?

  1. &
  2. _
  3. %
  4. $

Answer :- (C)

Q. The term “ODBC” stands for_____

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  1. Oral database connectivity
  2. Oracle database connectivity
  3. Open database connectivity
  4. Object database connectivity

Answer :- (C)

Q. Which one of the following refers to the total view of the database content?

  1. Conceptual view
  2. Physical view
  3. Internal view
  4. External view

Answer :- (A)

Q. The term “SQL” stands for

  1. Standard query language
  2. Sequential query language
  3. Structured query language
  4. Server-side query language

Answer :- (C)

Q. In a relation database, every tuples divided into the fields are known as the______.

  1. Queries
  2. Domains
  3. Relations
  4. All of the above

Answer :- (B)

Q. Which of the following command is a type of Data Definition language command?

  1. Create
  2. Update
  3. Delete
  4. Merge

Answer :- (A)

Q. Rows of a relation are known as the _______.

  1. Degree
  2. Tuples
  3. Entity
  4. All of the above

Answer :- (D)

Q. The term “Data” refers to:

  1. The electronic representation of the information( or data
  2. Basic information
  3. Row Facts and figures
  4. Both A and C

Answer :- (C)

Q. Which of the following refers to the level of data abstraction that describes exactly how the data actually stored?

  1. Conceptual Level
  2. Physical Level
  3. File Level
  4. Logical Level

Answer :- (B)

Q. A Database Management System is a type of _________software.

  1. It is a type of system software
  2. It is a kind of application software
  3. It is a kind of general software
  4. Both A and C

Answer :- (A)

Q. Which of the following can be considered as the maximum size that is supported by NTFS?

  1. 4GB
  2. 16TB
  3. 64TB
  4. 8TB

Answer :- (A)

Q. The term “FAT” is stands for_____

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  1. File Allocation Tree
  2. File Allocation Table
  3. File Allocation Graph
  4. All of the above

Answer :- (B)

Q. The given Query can be replaced with ____________:

SELECT name FROM instructor1 WHERE salary <= 100000 AND salary >= 90000;

a.SELECT name FROM instructor1 WHERE salary BETWEEN 100000 AND 90000

b.SELECT name FROM instructor| WHERE salary BETWEEN 90000 AND 100000;

c.SELECT name FROM instructor1 WHERE salary BETWEEN 90000 AND 100000;

d.SELECT name FROM instructor! WHERE salary <= 90000 AND salary>=100000;

Answer :- (C)

Q. The database management system can be considered as the collection of ______ that enables us to create and maintain the database.

  1. Translators
  2. Programs
  3. Keys
  4. Language activity

Answer :- (B)

Q. Which of the following is used in the application programs to request data from the database management system?

  1. Data Manipolation language
  2. Data Definition Language
  3. Data Control Language
  4. All of the above

Answer :- (A)

Q. Which one of the following command is used to delete the existing row in a table?

  1. Delete
  2. Update
  3. Insert
  4. None of the above

Answer :- (A)

Q. The term “TCL” stands for_____.

  1. Ternary Control Language
  2. Transmission Control Language
  3. Transaction Central Language
  4. Transaction Control Language

Answer :- (D)

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