AQA A-level computer science unit 4 Test Questions And Actual Answers 2024.

What is hardware? - Answer The electrical or electro-mechanical parts of a computer What is software? - Answer Software comprises all of the programs that are written to make computers function. What is system software? - Answer System software is the software needed to run the computer's hardware and applications What is an operating system? - Answer Software that lies between application software and hardware. What are utility programs? - Answer Utility software is designed to optimise the performance of a computer or do tasks such as file back up or compression What are libraries? - Answer Library programs are pre-compiled programs that can be run when needed. What are translators? - Answer There are three kinds, compilers, interpreters and assemblers, which translate program code into machine code. What is application software? - Answer Programs that are designed to perform user-oriented tasks. There are two kinds, general purpose, and special-purpose What is bespoke software? - Answer Software that is designed for somebody's specific needs. It is much more expensive and takes time to develop What is off-the-shelf software? - Answer Software that is ready-made and is much cheaper than bespoke as well as being ready made.