How a Computer Works Flashcards
what is an input device?
any piece of computer hardware used to provide data to a computer system
what is an output device?
any piece of computer hardware used to communicate the results of data that has been processed
what is hardware?
the physical parts of a computer system
what is a storage device?
a piece of computer equipment which can be used to store data
what is a logic gate?
a digital electronic device that allows an electronic system to make decisions based on outputs
how can logic gates be represented?
truth tables
for an AND gate, how many of the inputs have to be 1 for the output to be 1
both inputs
if the input of a NOT gate is 1, what will the output be?
0
what is software?
the programs that run on a computer
what are the 2 main types of software?
systems and applications
what does systems software do?
Helps run and maintain the computer
what is the biggest part of systems software?
the operating system
What is a user interface
A way of interacting with a computer or an electronic device
What is applications software
Software used to everyday tasks on a computer
What is general purpose software
A single application that carries out lots of different tasks
