Glossary of Terms

Fetch – Execute Cycle

Keyword Definition
CPU The Central Processing Unit, which is the main component of a computer responsible for executing instructions.
Carry Out To perform or execute a task or instruction.
Cycle A sequence of steps that the CPU goes through to execute an instruction.
Decode The second step of the Fetch-Decode-Execute Cycle, where the computer interprets the fetched instruction.
Execute The last step in the instruction execution cycle, where the CPU carries out the instruction.
Fetch The first step in the instruction execution cycle, where the CPU retrieves an instruction from memory.
Fetch-Decode-Execute Cycle The process by which the computer fetches an instruction from memory, decodes it, and then executes it.
Instruction A command or operation given to the CPU to perform a specific task.
Memory The storage component of a computer where data and instructions are stored.
Retrieve To fetch or obtain information or data from a source or memory location.
Sequence An ordered collection or arrangement of items or events.
Step A single operation or action within a larger process or cycle.