Top 8 Simple Drawing Ideas...
- Tarun Sikhwal
- Nov 14, 2020
- 1 min read
Butterfly & Abstract Art.
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1.What is Assembler ?
An assembler is a computer program that convert programs written in assembly language into machine language
2.Describe One & Two Pass Assembler
A single pass assembler scans the program only once and creates the equivalent binary program
A two pass assembler does two passes over the source file. In the first pass all it does is looks for label definitions and introduces them in the symbol table. In the second pass, after the symbol table is complete, it does the actual assembly by translating the operations into machine codes and so on
3.List Data Structure For Pass 1 Assembler
OPTAB (Operator code Table) - This is used to look up mnemonic operation codes and translate them…