Computer Science Concepts Pre-test

Which of the following is the primary function of a computer?

• Storing information

• Processing data

• Converting text to speech

• Sending emails

Which of the following is NOT an input device?

• Keyboard

• Mouse

• Monitor

• Scanner

Which of the following is NOT an output device?

• Printer

• Monitor

• Speaker

• Keyboard

Data is typically represented in computers using:

• Binary code

• Decimal numbers

• Alphanumeric characters

• All of the above

The internet is a vast network of interconnected computers that allow users to:

• Access information and resources

• Communicate with others

• Download and upload files

• All of the above

The World Wide Web (WWW) is a collection of websites that can be accessed using a:

• Web Browser

• Email client

• Spreadsheet software

• Word processing software

What is the purpose of a programming language?

• To communicate with computers

• To write stories

• To create spreadsheets

• To design websites

Which of the following is an example of a programming logic structure?

• If-else statement

• Loops

• Variables

• All of the above

What is the difference between hardware and software?

• Hardware is the physical components of a computer, while software is the instructions that make the computer work.

• Hardware is the software that makes the computer work, while software is the physical components of a computer.

• Hardware is the input and output devices of a computer, while software is the processing unit.

• Hardware is the monitor and keyboard, while software is the operating system.

What is a computer network?

• A collection of interconnected computers that can share information and resources.

• A device that stores and processes data.

• A software program that allows users to create documents and spreadsheets.

• A language that allows programmers to communicate with computers.