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Theory - Coggle Diagram
Theory
Computers
Computer architecture
Data
Computers communicate in units of data known as bits
Each bit is known as a binary digit
8 bits = 1 byte
Kilobyte : kB : 1,000 bytes
Megabyte : MB : 1,000^2 bytes
Gigabyte : GB : 1,000^3 bytes
Terabyte : TB : 1,000^4 bytes
Kibibyte : kiB : 1024 bytes
Mebibyte : MiB : 1024 kiB/1024^2
Gibibyte : GiB : 1024 MiB/1024^3
Tebibyte : TiB : 1024 GiB/1024^4
Binary systems
Converting binary to/from denary
Sum of place values
Division by 2
A device that:
Recieves data
Processes data based on a set of instructions
Produces data as a result
Computer parts
Processor
Made up of 2 main parts
Control unit
follow instructions and decide when data should be stored
Arithmatic Logic Unit (ALU)
Perform basic mathematical and logical operations such as addition
Graphic Processing Unit (GPU)
Another processor more efficient at performing the calculations needed to produce images than a CPU
By relieving the CPU of tasks related to 2D and 3D graphics, GPUs help to improve the overall performance of a system
Memory
Used to store data for immediate
Two types
Read-Only Memory (ROM)
Permanant
Random Access Memory (RAM)
Temporary
BUS
Collection of wires for transporting data from one part of a computer to another
Is made of physical wires or conductive lines printed on a circuit board
Two important buses
Data bus
Bi-directional
Address bus
Uni-directional
Storage