AQA GCSE Computer Science - 3.4.1 Hardware & software

what is software?

• programs that need a computer to function
• programs that enable a user to perform a task
• light computer components
• an .exe file

what is the main function of the CPU?

• carrying out the instructions of software
• to think about what the user wants
• to allocate storage
• to store data

what has overall control of the CPU?

• the control unit
• the arithmetic log unit
• the cache
• the clock

which one of these is an embedded system?

• a toaster
• a computer
• airpods
• ps4

what is the purpose of the motherboard?

• it is the main circuit board of the computer.
• it boosts graphical performance
• it manages storage
• it is an anti-malware software

which is the fastest memory in a computer?

• the registers
• the cache
• the ram
• the Solid State Drive

what does ROM do?

• it tells the CPU how to boot up
• it boosts graphical performance
• it acts as temporary fast storage for running programs
• it is slow storage for documents and larger files

which describes RAM?

• high speed, volatile
• low speed, volatile
• high speed, non-volatile

What component has cache?

• cpu
• microcentre
• mobo
• RAM

what is the purpose of cache?

• store important data in the CPU
• delete unused data
• protect the user
• speed up the motherboard