1.1 Key Terms GCSE OCR J277

A computer system that forms part of an electronic device is called a(n)...

• CPU

• Embedded System

• Control Unit

• ALU

A register that contains data either just in from, or about to depart for, main memory is called a(n)...

• MAR

• MDR

• Program Counter

• Register

A register that stores the memory location that will be accessed next is called a(n)...

• MAR

• MDR

• Program Counter

• Register

A single CPU may contain numerous individual processors, called...

• ALU

• Cores

• Control Units

• Registers

A small, high-speed type of memory that stores frequently used instructions or data is called...

• Cache

• Register

• ALU

• MDR

A term that describes the content and layout of a processor; Von Neumann and Harvard are common examples is called...

• Architecture

• Control Unit

• Embedded System

• Fetch-Execute Cycle

Each memory location is identified by a unique one of these...

• Address

• Register

• Cache

• ALU

Low-capacity storage locations, within the CPU, which can be general or special purpose are called...

• Registers

• Cache

• ALU

• MDR

Part of the CPU that coordinates the flow of data within the computer system is called the...

• Control Unit

• ALU

• Cache

• Register

Part of the CPU that performs all of the arithmetic and logical functions is called the...

• ALU

• Control Unit

• Cache

• Register