Computer Science Yr 10 Revision Quiz

In a star network topology, what happens if the switch fails?

• Only one device is affected

• All devices are disconnected

• The network speed increases

• Devices switch to a backup route

What type of compression removes data permanently?

• Lossless

• Lossy

• Zipped

• Encoded

Which protocol is used to send emails?

• HTTP

• SMTP

• IMAP

• FTP

Why is hexadecimal preferred by technicians?

• It uses fewer bits

• It’s easier to read

• It’s binary

• It stores more data

Which of the following describes RAM?

• Non-volatile

• Permanent memory

• Volatile

• Stores boot code

Which topology uses a central device to connect all computers?

• Ring

• Bus

• Mesh

• Star

What type of variable stores only TRUE or FALSE?

• String

• Boolean

• Float

• Integer

Which component performs arithmetic operations in a computer?

• RAM

• ALU

• Cache

• Hard Drive

What is the purpose of encryption?

• Increase speed

• Compress files

• Secure data

• Improve resolution

Which compression method reduces file size without losing quality?

• Lossy

• Lossless

• Zipping

• Encoding