Assembly language is a low-level programming language that uses mnemonics to represent machine code instructions and is easier to understand than machine language. It has advantages such as simpler programming and error correction but is machine-dependent and requires an assembler. In comparison to machine language, assembly language is human-readable, modifiable, and has lower syntax error risks.

1. Understanding
Assembly
Language
Syntax, Advantages, and
Comparison with
Machine Language

2. Content
Assembly Language
Syntax
Advantage
Disadvantages
Difference between Machine
Language and Assembly Language

3. Assembly Language
It is a low-level programming language
It is a second-generation language (1950-1959)
This language is developed upon machine language
It uses mnemonic to instruct
Each mnemonic specifies a single machine code instruction

4. Syntax
•Each assembly language has four domains:
• Label: identify a specific program operation.
• Op-code: give the command to operate.
• Operand: obey the command to succeed in the operation.
• Comment: describe the operation

5. Example:
MOV AX 0004
=1011 w reg 0004
=1011 1 000 04 00
=B8, 04, 00

6. Advantage
It is easy to understand
Writing programs in this
language are much
easier than machine
language.
Writing the program
takes less time and
effort.
It is easy to fix errors and
modify programs.

7. Disadvantages
It is a machine-
dependent language.
The programmer has to
know about the machine
while designing the
program.
A translator program
called Assembler is
required.
It use more complex
method than high-level
languages.

8. Difference between Machine
Language and Assembly
Machine Language Assembly Language
Machine language cannot be explained
by humans and can be understood only
by computers.
Assembly language can be understood,
used and applied by humans.
Machine language do not support any
type of modification.
An assembly programming language
can be modified easily.
The risk of errors existing in the syntax
of machine language is high.
The risk of errors existing in assembly
language is comparatively low.
No compiler is necessary for executing
commands.
A compiler, also known as an
assembler, is needed for the proper
execution of assembly language
commands.

9. Thanks