OCR GCSE Computer Science Paper 1 Revision Quiz

What is the primary function of the CPU?

• To execute program instructions

• To supply power to the computer

• To store data permanently

• To connect to the internet

What does the ALU in a CPU stand for?

• Arithmetic Logic Unit

• Application Logic Unit

• Advanced Logic Unit

• Arithmetic Learning Unit

Which memory type is volatile?

• Cache

• ROM

• RAM

• SSD

What is the purpose of virtual memory?

• To improve graphics quality

• To store permanent data

• To act as an extension of RAM

• To increase the processing speed

What does SSD stand for?

• Solid Security Drive

• System State Disk

• Secure Storage Device

• Solid State Drive

What is the main difference between RAM and ROM?

• ROM is volatile, while RAM is not

• RAM is faster than ROM

• ROM is used to store user data, while RAM is not

• RAM is used for temporary storage, while ROM is used for permanent storage

What does the term 'bit depth' refer to in digital audio?

• The size of the audio file

• The number of bits used to represent each audio sample

• The speed at which the audio is played

• The duration of the audio file

Which topology uses a central device to connect all other devices?

• Ring

• Mesh

• Bus

• Star

What does IP stand for in networking?

• Internal Protocol

• Intelligent Protocol

• Internet Protocol

• International Protocol

Which of the following is a characteristic of a mesh topology?

• Data is transmitted in one direction only

• Each device is connected to every other device

• Devices are connected in a linear sequence

• Uses a central hub