Computer Systems - Computer Systems Flashcards
What is a computer?
A machine the processes data
What is the purpose of a computer?
To take data, process it and then output it - creates to process data and complete tasks more efficiently than humans
What does a computer system consist of?
Consists of hardware and software that work together to process data and complete tasks
What is hardware?
The physical components of the computer
What are examples of hardware?
CPU
Motherboard
Monitor
Printer
What are peripherals?
External pieces of hardware
What are examples of peripherals?
Keyboard
Mouse
Printer
What is software?
The programs a computer runs:
Application software
System software
What is application software?
Programs that help the user perform specific tasks
What are examples of application software?
Word processors
Web browsers
Database software
Games
What is system software?
Programs that run a computer’s hardware and applications and manage its resources, such as its memory, processors, and devices
What are some types of computer systems?
Calculators
Watches
Supercomputers
What are the 2 things computers can be?
Dedicated system
General purpose
What are general purpose computers?
Computers designed to perform many tasks:
PCs and tablets
What are dedicated system computers?
Computers dedicated for 1 particular function:
Controlling traffic lights
Controlling an aeroplane