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What is the primary function of an operating system?

• To provide security for the computer

• To manage hardware and software resources

• To create documents and presentations

• To design user interfaces

Which of the following is an example of secondary storage?

• RAM

• Hard disk drive (HDD)

• CPU

• Cache memory

What does CPU stand for?

• Central Processing Unit

• Computer Processing Unit

• Central Program Unit

• Core Processing Unit

What is the binary equivalent of the decimal number 25?

• 10101

• 11001

• 11111

• 10011

What does HTML stand for?

• Hyper Transfer Markup Language

• Hyper Text Markup Language

• High Tech Markup Language

• Hyperlink Text Management Language

Which device allows a computer to connect to a network?

• Router

• Modem

• Switch

• Hub

What is the purpose of a firewall in computing?

• To protect against physical damage to the computer

• To prevent unauthorized access and control network traffic

• To improve internet speed

• To store data securely

Which of the following is an example of an output device?

• Keyboard

• Printer

• Mouse

• Scanner