GCSE Computer Science Paper 1 Practice

Which number system is used by computers to represent all data and instructions?

• Decimal

• Binary

• Octal

• Hexadecimal

What is the main function of the Arithmetic Logic Unit (ALU) in the CPU?

• Store data

• Perform calculations and logical operations

• Manage input and output devices

• Control the flow of data

Which of the following is a volatile type of memory?

• Hard Disk Drive

• ROM

• RAM

• SSD

What does the term 'bandwidth' refer to in computer networks?

• The physical length of a cable

• The amount of data that can be transmitted in a given time

• The number of devices on a network

• The security level of a network

Which protocol is used to transfer web pages over the Internet?

• FTP

• SMTP

• HTTP

• POP3

Which of the following is an example of an ethical issue in computing?

• Hacking into someone’s account

• Installing antivirus software

• Upgrading RAM

• Using a printer

What is the main purpose of the operating system?

• To design web pages

• To manage hardware and software resources

• To connect to the Internet

• To create spreadsheets

Which of the following is NOT a layer in the TCP/IP model?

• Application

• Transport

• Presentation

• Network

What is the main function of utility software?

• To run games

• To maintain and optimise the computer system

• To write code

• To connect to the Internet

Which of the following is a legal issue related to computer science?

• Data protection

• File compression

• Installing updates

• Using a mouse