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1 Basic Computer MCQs

A collection of raw facts and figures is called ?

  • Information
  • Data
  • Processing
  • None of these
0 Comments
Correct Answer: B. Data

Explanation:

Data refers to raw facts, numbers, symbols, or figures that by themselves may not have ... Read More Details

2 Basic Computer MCQs

Which key is used to refresh a webpage?

  • F5
  • F10
  • F11
  • F1
0 Comments
Correct Answer: A. F5

Explanation:

The F5 key is commonly used in web browsers to refresh or reload the current ... Read More Details

3 Database MCQs

DFD stands for ?

  • Data Flow Diagram
  • Data Float Diagram
  • Delete Flow Diagram
  • None of these
0 Comments
Correct Answer: A. Data Flow Diagram

Explanation:

A Data Flow Diagram (DFD) is a graphical representation used to visualize the flow of ... Read More Details

4 Database MCQs

Which of the following is used to describe the characteristics of an object?

  • Cardinality
  • Relationship
  • Attribute
  • None of these
0 Comments
Correct Answer: C. Attribute

Explanation:

In database terminology, an attribute is used to describe the characteristics or properties of an ... Read More Details

5 Database MCQs

In an Entity-Relationship (E-R) diagram, a rectangle represents ?

  • Attribute
  • Relationship
  • Entity
  • None of these
0 Comments
Correct Answer: C. Entity

Explanation:

In an Entity-Relationship (E-R) diagram, a rectangle is used to represent an Entity. ... Read More Details

6 Database MCQs

A collection of related fields is called ?

  • File
  • Record
  • Character
  • None of these
0 Comments
Correct Answer: B. Record

Explanation:

In the structure of a database, a field is a single piece of ... Read More Details

7 Database MCQs

Which of the following keys is not unique?

  • Secondary key
  • Primary key
  • Foreign key
  • Candidate key
0 Comments
Correct Answer: C. Foreign key

Explanation:

In a database, a foreign key is a field or a set of ... Read More Details

8 Data Structure MCQs

The arranging of data in logical sequence is called ?

  • Sorting
  • Arrangement
  • Sequence
  • None of these
0 Comments
Correct Answer: A. Sorting

Explanation:

Sorting refers to the process of arranging data in a specific, logical order. ... Read More Details

9 Operating Systems MCQs

Interface used in DOS is called ?

  • Command-Line Interface (CLI)
  • Graphical User Interface (GUI)
  • Application Programming Interface (API)
  • Scripting Interface (SI)
0 Comments
Correct Answer: A. Command-Line Interface (CLI)

Explanation:

DOS (Disk Operating System) uses a Command-Line Interface, also known as CLI. In ... Read More Details

10 Operating Systems MCQs

An example of an operating system?

  • Microsoft Word
  • Windows
  • Adobe Photoshop
  • Google Chrome
0 Comments
Correct Answer: B. Windows

Explanation:

Windows is a widely used operating system developed by Microsoft. An operating system ... Read More Details