opcode Definition
a code that identifies an operation to be performed by a computer's CPU or other hardware.
Using opcode: Examples
Take a moment to familiarize yourself with how "opcode" can be used in various situations through the following examples!
Example
The program is written in machine language, with each opcode representing a specific instruction.
Example
The opcode for adding two numbers is different from the opcode for subtracting them.
Example
The CPU reads the opcode and executes the corresponding operation.
opcode Synonyms and Antonyms
Synonyms for opcode
- instruction
- command
- operation code
Phrases with opcode
two-byte opcode
an opcode that requires two bytes of memory to store
Example
The two-byte opcode allows for more complex operations to be performed.
variable-length opcode
an opcode that can have a variable number of bytes depending on the instruction being executed
Example
The variable-length opcode allows for more efficient use of memory.
Example
The programmer consulted the opcode table to find the correct instruction for the task at hand.
Origins of opcode
shortened form of 'operation code'
Summary: opcode in Brief
An 'opcode' [ˈoʊpkoʊd] is a code that identifies an operation to be performed by a computer's CPU or other hardware. It is used in machine language programming and represents specific instructions, such as adding or subtracting numbers. 'Opcode' can be further classified into types like 'two-byte opcode,' 'variable-length opcode,' and 'opcode table.'
