Year 7 Computer Science revision Quiz

What does CPU stand for?

• Computer Power Unit

• Central Power Unit

• Computer Processing Unit

• Central Processing Unit

What is the purpose of a heatsink in a computer?

• To store data permanently

• To cool the CPU

• To send data to the CPU

• To communicate the results of processing to the user

What is the function of an input device in a computer?

• Send data and control signals to the computer

• Cool the CPU

• Communicate the results of processing to the user

• Store data permanently

What is the purpose of RAM in a computer?

• Communicate the results of processing to the user

• Store programs and data temporarily

• Cool the CPU

• Send data and control signals to the computer

What type of characters should a good password include?

• A mixture of upper and lower case characters, numbers, symbols, a random word

• Only numbers

• Only lower case characters

• Only upper case characters

What is the function of a storage device in a computer?

• Cool the CPU

• Communicate the results of processing to the user

• Send data and control signals to the computer

• Store data and files permanently

Why do computers use binary numbers?

• Because it is faster than other number systems

• Because it is easier for users to understand

• Because the CPU processes binary

• Because it takes less space in memory

What is the function of a worm in the context of computer security?

• Communicate the results of processing to the user

• Attach themselves to certain files and spread between computers

• Self-replicate without the user having to do anything and exploit weaknesses in network security

• Disguise as legitimate software and self-replicate

What is the function of a trojan in the context of computer security?

• Attach themselves to certain files and spread between computers

• Self-replicate without the user having to do anything and exploit weaknesses in network security

• Disguise as legitimate software and users install them not realizing they have a hidden purpose

• Store data and files permanently

What is the purpose of One Drive in terms of file storage?

• Sends data and control signals to the computer

• Communicates the results of processing to the user

• Automatically saves a backup copy of your files and allows access from anywhere

• Stores data and files permanently