11AL词汇1017

Front

Function of the address bus

Back

Transmits the address from the processor to memory or to an I/O controller

Front

Function of a data bus

Back

Transmits data between the processor, memory, and input-output devices

Front

Function of a control bus

Back

Transmits timing, status signals, and commands between processor, memory, and I/O devices

Front

Registers used in von Neumann architecture

Back

MAR, MDR, ACC, PC, and CIR

Front

Steps involved in a READ operation

Back

Address→MAR, Read signal is sent by processor, Data→MDR

Front

Steps involved in a WRITE operation

Back

Data→MDR, Address→MAR, Write signal is sent by processor

Front

Components of a processor

Back

ALU (Arithmetic and Logic Unit) and Control Unit (CU)

Front

Function of an ALU

Back

Performs arithmetic and logic operations

Front

Function of a CU

Back

Controls the memory, processor, and input-output devices

Front

Registers of a CU

Back

CIR (Current Instruction Register) and PC (Program Counter)