OJEE MCA Preparation Test

What is the primary function of an operating system?

• To provide internet connectivity

• To run applications exclusively

• To serve as a database management system

• The primary function of an operating system is to manage hardware and software resources.

Which of the following is a type of malware?

• Virus

• Spyware

• Trojan

• Adware

What does CPU stand for?

• Central Processing Core

• Computer Processing Unit

• Centralized Processing Unit

• Central Processing Unit

Which of the following is a programming language?

• JavaScript Framework

• CSS

• HTML

• Python

What is the purpose of a firewall?

• To store user data securely.

• To monitor and control network traffic for security purposes.

• To provide Wi-Fi access to devices.

• To increase internet speed.

What does HTML stand for?

• HyperText MultiLanguage

• HighText Markup Language

• HyperText Markup Tool

• HyperText Markup Language

Which device is used to connect to the internet?

• Modem or Router

• Hub

• Switch

• Access Point

What is the main function of RAM?

• The main function of RAM is to provide fast, temporary storage for data and instructions that the CPU uses during operation.

• To permanently store data and instructions for the CPU.

• To manage the power supply of the computer.

• To provide a backup for hard drive data.

What is the difference between hardware and software?

• Hardware and software are the same thing.

• Hardware is the physical parts of a computer; software is the programs that run on the hardware.

• Hardware is the software that runs on a computer.

• Software refers to the physical components of a computer.

What is the determinant of a 2x2 matrix [[a, b], [c, d]]?

• ab - cd

• ad + bc

• ad - bc

• ac + bd