What is a computer? - Answer--a device that computs
-an electronic device that 1. accepts infromation 2. performs arithmatic and logic opporations
and 3. produces the desired results
What does a computer do? - Answer--recieves data and/or information
-stores data and/or information for later
-...
What hardware is needed to complete the 4 tasks of a computer? - Answer✔✔-input and
output devices
What are examples of input devices? - Answer✔✔-keyboard, USB port, mouse, scanner, touch
screen, microphone, and camera
What are examples of output devices? - Answer✔✔-speaker, projector, and printer, screen
What are examples of input/output (IO) devices? - Answer✔✔-USB port and touch screen
Why do we have more input than output devices? - Answer✔✔-Computers are based on people
and we have to touch, taste, smell, hear, and see things
How much do qwerty keyboards cost? - Answer✔✔-If attached by a cord then $10-$25.
Cordless cost more
What do ergonomics do? - Answer✔✔-Increase comfort while working (in our case, on
computers). Keyboards are shaped to fit hands and increase comfort
How much does a mouse cost? - Answer✔✔-$5-$10
What 3 things classify a computer? - Answer✔✔-1. Their size 2. Their speed 3. Their cost
Types of computers - Answer✔✔-1. Microcomputer (laptops, desk computers) 2.
Minicomputers (small businesses) 3. Mainframe computers 4. Super computers
As computers increase in type they increase in what? - Answer✔✔-Price
What are the two main types of computer? - Answer✔✔-Hardware and software
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