Programming model
Instruction - It is a command given to a computer to perform specific task.
Machine level language - It is binary medium of communication with a computer though a design set of instruction.
Assembly level language - Instruction are written in separate words Mnemonics.
Both assembly and machine level language are together known as low level language which are machine dependent.
High level language - They are machine dependent example C, C + + ,Java etc.
Compiler - It converts high level language to machine level language where entire program is converted at a time . example : Turbo C , xlc, Java c.
Interpreter - It converts high level language to machine level language line by line. example : M-BASIC
Assembler - It converts assembly program to machine code.
example: MASM -Microsoft micro assembler
Source program - It is a program written in assembly language.
Object program - Output of assembler/ machine code.
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