Assembly Language

Define instruction set

• The complete collection of instruction that are understood by CPU

• The complete collection of instruction that are understood by human

• The complete collection of instruction that are understood by student

• The complete collection of instruction that are understood by binary

Allister just learned about language in subject Computer System Architecture. SELECT level of language that friendly to human also understand by computer system.

• Low Level - machine language

• Middle Level - assembly language

• High Level - high level language

• Intermediate Level - middle language

Machine language is using _____________ code

Define Machine Language

• A sequence of instruction and operand in binary that list the exact representation instruction as they appear in computer memory

• A sequence of instruction and operand in hexadecimal that list the exact representation instruction as they appear in computer memory

• A sequence of instruction and operand in binary that list the exact representation instruction as they appear in cache memory

• A sequence of instruction and operand in hexadecimal that list the exact representation instruction as they appear in register memory

CHOOSE the best to represent Machine Language

• Programmers need to know specifically the architecture of CPU

• Middle Level Language

• Program written in any other language must be translated to binary representation of instruction before they can be executed by computer.

• Strings of numbers or binary codes (0 or 1)

SELECT the best to represent Instruction set

• The complete collection of instructions that are understood by a CPU

• Instruction set usually represented by assembly code

• known as Machine Instruction or Machine Code

• a low level programming language used to directly control a computer's central processing unit (CPU)

SELECT limitations in programming using machine language

• Difficult to understand

• Long and difficult

• slow to key-in to the computer due to the input one bit by one bit at a time

• did not specify the tasks we perform require a computer

Define mnemonic

• Immediate remembered code

• Low remembered code

• Easily remembered code

• Harder remembered code

Krishna use english-like abbreviations (MUL), (ADD), (SUB).

Pick Language Krishna used.

• Computer Language

• High Level Language

• Assembly Language

• Low Level Language

Define Assembly Language

• Middle Level Language

• Symbolic representation of a machine language of specific processor

• Message sent by programmers (program instructions) understood by the computer and vice versa.

• Natural language of a particular computer system.