WorksheetsS1 CPU Plenary
Total questions: 11
Worksheet time: 6mins
What does CPU stand for?
Computer Processor Unit
Computer Performance Unit
Central Processing Unit
Central Performance Unit
What is the purpose of the CPU?
It ensures that the instructions of the running programs are carried out
It is the collection of lines that carry data
It stores instruction that tell the computer how to start up
It stores files for later use
What do buses do?
They ensure that the instructions of the running programs are carried out
They are the collection of lines that carry data between the CPU and main memory
They store instructions that tell the computer how to start up
They stores files for later use
What is the basic operation of a computer called?
The Fetch Cycle
The Execute Cycle
The Fetch-Execute Cycle
The Fetch-Decode-Excecute Cycle
Which is the correct order of the fetch-execute cycle?
Execute instructions - Fetch instructions - Decode instructions - Repeat until complete
Fetch instructions - decode instructions - Execute instructions - Repeat until complete
Decode instructions -Execute instructions - Fetch instructions - Repeat until complete
Repeat until complete - Decode instructions -Execute instructions - Fetch instructions
What is the advantage of having more than one core?
The computer is more expensive
The computer is cheaper
More tasks can be worked on at the same time
Only one task can be worked on at a time
What is the advantage of having a high clock speed?
The system can process more operations every second
The computer can be used as a clock
The system processes fewer operations every second
Only one task can be worked on at a time
What is clock speed usually measured in?
Hours, minutes and seconds
miles per hour (mph)
metres per second (mps)
gigahertz (GHz)
The three main parts of a CPU core are the ALU, CU and registers. What does ALU stand for?
Automatic Logic Unit
Arithmetic Logic Unit
Arithmetic Labelling Unit
Automatic Labelling Unit
The three main parts of a CPU core are the ALU, CU and registers. What does CU stand for?
Core Unit
Computer Unjumbler
Control Unit
Control Unjumbler
What are registers?
Small, fast temporary data storage inside the CPU core
The part of the core that performs all calculations and logical decisions
The part of the core that works out what the system needs to do to follow the next instruction
The software on the computer that the teacher uses to record which students are present or not
