Knowing Computer GK Quiz (Chapter-1): Basics [150+ MCQs]

Computer Basics Mock Test-4

	30 MCQs
	30 Marks
	15 Minutes

1 / 30

What is a database in computing?

A collection of computer hardware components

A collection of software programs

A collection of related data organized and stored for easy access and retrieval

A collection of network devices

2 / 30

What port on the CPU is typically used to connect a keyboard?

HDMI port

Ethernet port

USB port

VGA port

3 / 30

Which of the following is a database management system?

MySQL

CSS

JavaScript

HTML

4 / 30

What is the process of identifying and fixing errors in a computer program called?

Debugging

Compiling

Coding

Executing

5 / 30

What type of current does a typical computer power supply use?

PC (Power Current)

AC (Alternating Current)

MC (Mixed Current)

DC (Direct Current)

6 / 30

What type of cable is commonly used to connect a monitor to the CPU?

USB cable

Ethernet cable

HDMI cable

VGA cable

7 / 30

When connecting a printer to a modern CPU, which port is typically used?

HDMI port

VGA port

Ethernet port

USB port

8 / 30

When connecting a monitor to a CPU, what does "VGA" stand for?

Video Graphics Array

Virtual Graphics Adapter

Video Graphics Adapter

Visual Graphics Array

9 / 30

Which programming language is known for its simplicity and ease of learning?

Python

C#

FORTRAN

C++

10 / 30

Which web technology is used to style the presentation of web pages?

JavaScript

CSS

XML

HTML

11 / 30

What is the purpose of a power supply unit (PSU) in a computer system?

To display images on the screen

To provide internet connectivity

To store data and files

To regulate and supply power to internal components

12 / 30

To connect a printer that supports high-speed data transfer, which USB version would you use?

USB 2.0

USB 3.0

USB 1.0

USB 4.0

13 / 30

Which language is commonly used to manage and query databases?

HTML

SQL

CSS

JavaScript

14 / 30

To connect a modern mouse to the CPU, you would most likely use:

USB port

Serial port

PS/2 port

Parallel port

15 / 30

Which port on the CPU is used to connect a printer?

Parallel port

USB port

Ethernet port

VGA port

16 / 30

Which database management system is commonly used for large-scale enterprise applications?

Oracle

MySQL

Microsoft Access

SQLite

17 / 30

What is the purpose of an internet search engine?

To protect against online threats

To download files from the internet

To search for information on the World Wide Web

To send and receive emails

18 / 30

In computer programming, what is a loop?

A control structure that repeats a block of code until a certain condition is met

A data type

A conditional statement

A function

19 / 30

When checking the power supply, what should be the first thing to examine?

The printer

The CPU

The monitor

The power cord

20 / 30

The "DVI" port on a monitor and CPU stands for:

Display Video Interface

Direct Video Interface

Dual Video Interface

Digital Video Interface

21 / 30

What device is commonly used to check if a power outlet is providing electricity?

Ammeter

Voltmeter

Multimeter

Oscilloscope

22 / 30

What is the standard color code for connecting a mouse and keyboard to a computer?

Purple for both mouse and keyboard

Purple for mouse, green for keyboard

Green for both mouse and keyboard

Green for mouse, purple for keyboard

23 / 30

If the power supply unit (PSU) is not functioning, what may be the outcome?

Mouse won't move the pointer

Keyboard won't respond

CPU fan won't spin

Monitor won't display anything

24 / 30

What is the output of the code snippet- print(5 + 3 ** 2 / 2) in Python?

8.5

10

9.5

8

25 / 30

If the monitor does not display anything when the computer is turned on, what is the first thing you should check?

The monitor's power cable

The CPU

The internet connection

The keyboard and mouse

26 / 30

Which of the following is a wireless technology used for connecting peripherals to a CPU?

HDMI

Bluetooth

USB

Ethernet

27 / 30

In a database, what is a primary key?

The first record in the table

The last record in the table

The column used to uniquely identify each row in the table

The column used to sort the data in the table

28 / 30

Which programming language is commonly used for developing mobile applications?

Java

PHP

Python

C++

29 / 30

What should you do if the CPU fan is not spinning when the computer is turned on?

Replace the power supply unit (PSU) without further investigation

Check if the power cord is securely plugged in and the power outlet is functioning

Replace the CPU immediately

Try a different monitor to see if that is the issue

30 / 30

Which component is responsible for managing the flow of data between the CPU and other devices?

Motherboard

Operating System

RAM (Random Access Memory)

HDD (Hard Disk Drive)

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