Systems Software (AQA GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the two main categories of software on computers?
What are the two main categories of software on computers?
Systems software & application software
What is the main role of systems software?
What is the main role of systems software?
Bridge between hardware & programs
What are the two key components that make up systems software?
What are the two key components that make up systems software?
Operating system & utility software
What are the four main types of utility software?
What are the four main types of utility software?
Encryption, defrag, compression, backup
In encryption, what is plaintext?
In encryption, what is plaintext?
Readable text before encryption
In encryption, what is ciphertext?
In encryption, what is ciphertext?
Scrambled text after encryption
What is needed to decrypt encrypted information?
What is needed to decrypt encrypted information?
Same algorithm & correct key
What causes fragmentation on a hard disk drive?
What causes fragmentation on a hard disk drive?
Files split & stored in different locations
What is the main benefit of defragmentation?
What is the main benefit of defragmentation?
Makes file access faster
Why don't solid-state drives (SSDs) need defragmentation?
Why don't solid-state drives (SSDs) need defragmentation?
No moving parts, instant access anywhere
What is the key difference between lossy and lossless compression?
What is the key difference between lossy and lossless compression?
Lossy removes data, lossless keeps all
What is the primary purpose of backup software?
What is the primary purpose of backup software?
Create copies of important files