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A-Level OCR Computer Science study guide solved.unter ACC - Answer Accumulator $9.99   Add to cart

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A-Level OCR Computer Science study guide solved.unter ACC - Answer Accumulator

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A-Level OCR Computer Science study guide solved. CPU - Answer Central Processing Unit ALU - Answer Arithmetic Logic Unit CU - Answer Control Unit PC (CPU) - Answer Program Counter ACC - Answer Accumulator

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  • October 24, 2024
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  • A-Level OCR Computer Science s
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ProfessorJaneM
A-Level OCR Computer Science
study guide solved.
CPU - Answer Central Processing Unit


ALU - Answer Arithmetic Logic Unit


CU - Answer Control Unit


PC (CPU) - Answer Program Counter


ACC - Answer Accumulator


MAR - Answer Memory Address Register


MDR - Answer Memory Data Register

, CIR - Answer Current Instruction Register


Define CPU - Answer The main processor in a computer system
handling data and instructions.


Define ALU - Answer A circuit that performs mathematical and logical
(comparative) operations.


Define CU - Answer A component that handles data flow with 'control
signals'. It also decodes instructions in the FDE cycle.


Define PC (CPU) - Answer A REGISTER which holds the address of the
next instruction to be executed.


Define ACC - Answer A REGISTER which stores the results of calculations
processed by the ALU.


Define MAR - Answer A REGISTER which stores the address of the
memory location currently in use.


Define MDR - Answer A REGISTER which stores the instructions or data
to be executed.

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