Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
3 types of computers |
-Pc -Mainframe -Super computer |
|
|
3 uses of a mainframe computer |
-supermarkets/ keeps track of goods and prices - banks/keeps track of money -telephone companies/ connects calls |
|
|
4 functions of computer hardware |
- input - stores information - directs information - output |
|
|
parts of computer hardware you move |
-mouse -keyboard |
|
|
part of computer that does the math |
CPU(central processing unit) |
|
|
input |
information put into a computer |
|
|
output |
information put out of the computer |
|
|
main steps as information goes through a computer (3) |
- enter information with keyboard or mouse - CPU processes information -output shown on monitor or printer |
|
|
3 main types of software |
-system software -applications software -utilities software |
|
|
why do computers need software? |
provides instructions that tell a computer what to do |
|
|
how can a flow chart show the way information moves through the computer and its parts? |
shows where the input starts. how it goes through the CPU, and where the output comes out |
