What is hardware?
Hardware is objects you can touch
What is software?
The programmes and applications that run on a computer
What is an output device?
This is a piece of computer hardware with a primary purpose to output data that has been stored or processed into the computer
What is an input device?
An input device is any hardware with a primary purpose used to store data
What is a storage device?
A storage device is a piece of hardware with a primary purpose to store data or record it
What is a CPU?
Central processing unit and its responsible for the instructions, calculations and controlling other parts of the system. Often referred to as the brain.
What is a mother board?
main circuit board in a computer and connects the CPU, memory and storage devices.Often known as the backbone of the computer
What is RAM?
the memory and stands for random access memory and it stores all data in the computer this means it’s volatile
What is the ROM?
Read only memory and it’s known as the blackstrap loader and permanently stores essential instructions this means it’s non-volatile
What is the HDD?
Hard disk drive and permanently stored data in the computer
what is a GPU?
Graphics processing unitard it processes visual data
What is 1megahertz in cycles per second?
1,000,000
What is 1 gigahertz in cycles per second?
1,000,000,000 = 1billion
how many cycles per second does a kilo herts =?
1000 cycles per second
what is a binary digit known as?
a bit
What are the numbers in binary?
128,64,32,16,8,4,2,1