Computing IS revision

Computing IS revision

1. Lan

   • Local Area network
   • a computer network that links devices within a building or group of adjacent buildings

2. Wan

   • Wide Area Network
   • things such as the inernet ect

3. wpan

4. Hexadecimal

   • Hexadecimal (or hex) is a base 16 system used to simplify how binary is represented. A hex digit can be any of the following 16 digits: 0 1 2 3 4 5 6 7 8 9 A B C D E F. Each hex digit reflects a 4-bit binary sequence.
   • Split the two termsthen convert them into binary.

5. CPU

   • ALU
     • Alu is a digitical circuit used to make arithmetc sequences
   • Control unit
     • The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. It tells the computer's memory, arithmetic and logic unit and input and output devices how to respond to the instructions that have been sent to the processor.
   • Cache
     • CPu uses it to reduce the time/enrgy of searching things.

6. assembly language

   • Low level code symbolic converted by an assembeler