CODE HS UNIT 2

when was the first computer made?

3000 BC

how does a computer perform calculations?

By following and executing specific instructions to solve a problem

what is LAN?

Local Area Network - a network that connects computers within a limited area such as a school or office

What is RAM?

Random Access Memory. Internal memory in the computer used during immediate processing.

what is ROM?

Read Only Memory - When the computer is loaded up, it looks in the BIOS chip in the ROM for the start up instructions (e.g. load up OS from the HDD)

what is WAN?

Wide Area Network; uses long-range telecommunication, links across country or continent

an external storage device does what?

allows computer to store info.

what does an input device do?

allows data to go into a computer.

what is a network device?

any electronic device that broadcasts network data, boosts signals, or routes date to its destination (most important router)

what carrers require to use computers.?

design carrers, medicine carrers, marketing carrers, and more.

what does an output device do?

display or communicate info to you.

Is a microphone Input or Output?

input

Is a scanner an input or output device?

input

is a keyboard input or output?

input

what does AI do?

makes computers better.

are headphones an external storage device?

no

Is a monitor an input or output device?

output

Is a speaker an input or output device?

output

what are considered computers?

phones, laptops, and tablets.

What is the CPU (Central Processing Unit)?

the brain of the computer

what is a motherboard?

the main circuit board of the computer

is a flashdrive an external storage?

yes