Explore topic-wise MCQs in Computer Fundamentals.

This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Fundamentals knowledge and support exam preparation. Choose a topic below to get started.

1.

A level that describes data stored in a database and the relationships among the data.

A. physical
B. logical
C. user
D. view
Answer» C. user
Discussion
2.

SQL is _______

A. Relational
B. Network
C. IMS
D. Hierarchical
Answer» B. Network
Discussion
3.

Which of the following isn’t a level of abstraction?

A. physical
B. logical
C. user
D. view
Answer» D. view
Discussion
4.

In C Programming a function can return:

A. Double value
B. Single value
C. As many as values
D. No value
Answer» C. As many as values
Discussion
5.

In Boolean Algebra this is a law of De-Morgan's Theorem:

A. AB + AC = (A + C) (A + B)
B. A+A.B=A
C. \(\overline {AB} = \overline A + \overline B \)
D. A.1=A
Answer» D. A.1=A
Discussion
6.

In C language a Union member variable is generally accessed using the:

A. comma operator
B. address operator
C. dot operator
D. ternary operator
Answer» D. ternary operator
Discussion
7.

Educational institutions, libraries, hospitals and industries store concerned information by

A. data management
B. word processing
C. operating system
D. informing system
Answer» B. word processing
Discussion
8.

An application system analyst is concerned about all of the database at the ______ level.

A. Logical
B. Internal
C. Physical
D. All options are wrong
Answer» B. Internal
Discussion
9.

A backup is a ____________ against data loss.

A. Security
B. Countermeasure
C. Threat
D. Software
Answer» C. Threat
Discussion
10.

53 in 2's complement form is?

A. 1001011
B. 001011
C. 001010
D. 011010
Answer» C. 001010
Discussion
11.

______ constraint ensures that no two 'rows' have same value in specified column / columns

A. All option are wrong
B. Check
C. Unique
D. Default
Answer» D. Default
Discussion
12.

If a relation is in 2NF, then it can be in 3NF by removing

A. repeating groups
B. partial dependencies
C. transitive dependencies
D. overlapping dependencies
Answer» D. overlapping dependencies
Discussion
13.

If the sequence of operation - push(1), push(2), pop, push(1), push(2), pop, pop, pop, push(2), pop are performed on stack, the sequence of popped out values are:

A. 2,2,1,1,2
B. 2,2,2,1,1
C. 2,2,1,2,2
D. 2,2,1,2,1
Answer» B. 2,2,2,1,1
Discussion
14.

SQL_IS________?$

A. Relational
B. Network
C. IMS
D. Hierarchical
Answer» B. Network
Discussion
15.

A_level_that_describes_data_stored_in_a_database_and_the_relationships_among_the_data.$

A. physical
B. logical
C. user
D. view
Answer» C. user
Discussion
16.

Which of the following is not an object-based logical model?

A. ER
B. Network
C. Semantic
D. Functional
Answer» C. Semantic
Discussion
17.

The actual content in the database at a particular point.

A. Schema
B. Attribute
C. Parameter
D. Instance
Answer» E.
Discussion
18.

A logical structure of the database.

A. Schema
B. Attribute
C. Parameter
D. Instance
Answer» B. Attribute
Discussion
19.

The ______level helps application programs hide the details of data types.

A. physical
B. logical
C. user
D. view
Answer» E.
Discussion
20.

A level that describes how a record is stored.

A. physical
B. logical
C. user
D. view
Answer» B. logical
Discussion
21.

Which of the following isn’t a level of abstraction?$

A. physical
B. logical
C. user
D. view
Answer» D. view
Discussion
22.

DBMS provides a convenient and efficient environment.

A. True
B. False
Answer» B. False
Discussion
23.

DBMS is a set of __________ to access the data.

A. Codes
B. Programs
C. Information
D. Metadata
Answer» C. Information
Discussion