Binary - 1 and 0
bit - 0 - off
bit - 1 - On
They use 8 bits to represent every character on the key board
BIT - Terabit, Tetra bite
Bit is a unit of memory
Example of High Level Language: C and C+, Java, Python *It used to be a manual program*
Compiler - A system program that checks for any syntax errors and then when connected, converts the entire high level language into machine language.
Interpreter - Also a system program but does it line by line
Compiler and Interpreter go through a set of rules
Input Devices:
a) Graphics Tables
b) Cameras
c) Video Capture Hardware
d) Trackballs
e) Barcode reader
h) Joystick
Output Devices:
a) Monitor
b) Printer
Arithmetic Logic Unit is capable of performing arithmetic operation and evaluating logical expressions to see if they are true or false digital circuit used to perform arithmetic and logic operations
Control Center is circuitry component of computers center it tells the computer memory,ALU and input output devices how to respond to your programs
Application Programs/Software:
Chrome, Microsoft Word
System Software:
Finder, Operating Systems, Compilers, Interpreters
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