Computer Fundamentals Flashcards
What is Information Technology?
Information Technology refers to the study or use of electronic equipment,
What does Compute mean?
Data processing in the main memory of a central processing unit (CPU).
What are the two main components of as CPU?
ALU and CU
What is the ALU?
The arithmetic logic unit (ALU), performs arithmetic and logical operations.
What is the CU?
The control unit (CU), which extracts instructions from memory and decodes and executes them, calling on the ALU when necessary. the control unit directs and coordinates the activities of the CPU.
What are the four steps of the Machine Cycle?
Fetch
Decode
Execute
Store
What is Fetch in the Machine Cycle?
Retrieve instruction from the
memory.
What is Decode in the Machine Cycle?
Translate instruction into a series
of computer commands.
What is Execute in the Machine Cycle?
Execute the computer commands.
What is Store in the Machine Cycle?
Writes the results back in memory.