Topic 1 - Computer Fundamentals

From the list name one thing a computer system must be able to do:

• Input
• Turn On
• Display Images
• Do Noise

What is the main job of the central processing unit (CPU) in a computer?

• It executes the instructions from a program stored in memory
• It stores data and instructions that the computer will need
• It transfers data between the various components of the computer

From the list which computer system will most likely be used at home?

• PC 
• Servers
• Printers

Which of these modes best describes a computer system?

• Input-output-process
• Process-input-output
• Input-process-output

How would a system use redundant array of independent disks (RAID) in case of failure?

• It makes more than one copy of new or changed files in case a hard disk fails
• It stores exactly one copy of each file in order to save storage space
• It makes incremental backups of important files

Why was the Computer Misuse Act of 1990 introduced?

• To help protect computer software
• To help protect computer hardware
• To stop people from accessing unauthorised information. 

Why do computer programmers use standards?

• They allow computer programmers to work alone without interference as this is when they are the most creative
• So that the programmers adhere to strict professional standards for the design, coding and testing of the software
• To allow the programmers to choose the programming language that suits them best

What does copyright mean?

• You can buy any video, as long as it has an official logo on it
• You are not allowed to watch a film with anyone else present in the room
• The person or organisation who creates an original work has the right to protect it and exclusively make a profit by using it

Morally correct decision, doing the right thing ...

• Morals
• Fables
• Ethics
• Niceness

Computer systems do human jobs because it...

• Slower
• Reduce human error
• Friendlier
• Cost more