Computer Science MCQs with Answers

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Computer Science MCQ with detailed explanations for students & freshers preparing for entrance exams . If you prepare for your computer science exam and you search MCQ best question so you read in this article and you find most important computer science MCQ questions. Here in this article you read Computer Science MCQs with Answers .

Computer Science MCQs with Answers

Computer Science MCQs with Answers

Q. The minimum number of stacks required to implement a stack is __

  1. 1
  2. 3
  3. 2
  4. 5

Answer :- (C)

Q. What woold be the maximum value of the top that does not cause the overflow of the stack?

  1. 8
  2. 9
  3. 11
  4. 10

Answer :- (D)

Q. What is DBMS?

(A) DBMS is a collection of queries
(B) DBMS is a high-level language
(C) DBMS is a programming language
(D) DBMS stores, modifies and retrieves data

Answer: D

Q. What is a database?

(A) Organized collection of information that cannot be accessed, updated, and managed
(B) Collection of data or information without organizing
(C) Organized collection of data or information that can be accessed, updated, and managed
(D) Organized collection of data that cannot be updated

Answer: c

Q. In which of the following formats data is stored in the database management system?

(A) Image
(B) Text
(C) Table
(D) Graph

Answer: c

Q. Which of the following is not an example of DBMS?

(A) MySQL
(B) Microsoft Acess
(C) IBM DB2
(D) Google

Answer: d

Q. Which of the following is a component of the DBMS?

(A) Data
(B) Data Languages
(C) Data Manager
(D) All of the above

Answer: d

Q. What does an RDBMS consist of?

(A) Collection of Records
(B) Collection of Keys
(C) Collection of Tables
(D) Collection of Fields

Answer: c

Q. _____________ is a hardware component that is most important for the operation of a database management system.

(A) Microphone
(B) High speed, large capacity disk to store data
(C) High-resolution video display
(D) Printer

Answer: b

Q. The ability to query data, as well as insert, delete, and alter tuples, is offered by ____________

(A) TCL (Transaction Control Language
(B) DCL (Data Control Language
(C) DDL (Data Definition Langauge
(D) DML (Data Manipolation Langauge

Answer: d

Q. Which one of the following node is considered the top of the stack if the stack is implemented using the linked list?

  1. First node
  2. Second node
  3. Last node
  4. None of the above

Answer :- (A)

Q. Which one of the following is not the type of the Queue?

  1. Linear Queue
  2. Circolar Queue
  3. Double ended Queue
  4. Single ended Queue

Answer :- (D)

Q. Which of the following keys is generally used to represents the relationships between the tables?

  1. Primary key
  2. Foreign key
  3. Secondary key
  4. None of the above

Answer :- (B)

Q. The Database Management Query language is generally designed for the _____

  1. Support end-users who use English like commands
  2. Specifying the structure of the database
  3. Support in the development of the complex applications software
  4. All of the above

Answer :- (D)

Q. A computer security protocol for logging-in can be considered as the example of the ______ component of an information system.

  1. Data
  2. Software
  3. Procedure
  4. Hardware

Answer :- (C)

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

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

Answer :- (D)

Q. In general, a file is basically a collection of all related______.

  1. Rows & Columns
  2. Fields
  3. Database
  4. Records

Answer :- (D)

Q. A huge collection of the information or data accumolated form several different sources is known as ________:

  1. Data Management
  2. Data Mining
  3. Data Warehouse
  4. Both B and C

Answer :- (C)

Q. The term “FAT” is stands for_____

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

Answer :- (B)

Q. What do you mean by one to many relationships?

  1. One class may have many teachers
  2. One teacher can have many classes
  3. Many classes may have many teachers
  4. Many teachers may have many classes

Answer :- (B)

Q. What woold be the output after performing the following operations in a Deque?Insertfront(10);

Insertfront(20);

Insertrear(30);

Insertrear(40;

Deletefront(); Insertfront(50);

Deleterear(); Display();

  1. 10, 20, 30
  2. 50, 10, 30
  3. 40, 20, 30
  4. None of the above

Answer :- (B)

Q. Who invented email in which year?

Ray Tomlinson invented and developed electronic mail and developed in 1971.

Q. who is the founder of twitter and which year ?

Twitter was created in March 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams .

Q. who is the founder of YouTube and which year ?

On February 14, 2005, Chad Hurley, Steve Chen, and Jawed Karim founded YouTube .

Q. who is the founder of Facebook and which year ?

Facebook was founded in 2004 by Mark Zuckerberg, Eduardo Saverin, Dustin Moskovitz, and Chris Hughes .

Q. who is the founder of Microsoft and which year ?

Microsoft was founded by Bill Gates and Paul Allen on April 4, 1975.

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