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CPU - ANSWERSCentral Processing Unit ALU - ANSWERSArithmetic Logic Unit CU - ANSWERSControl Unit PC (CPU) - ANSWERSProgram Counter ACC - ANSWERSAccumulator MAR - ANSWERSMemory Address Register MDR - ANSWERSMemory Data Register CIR - ANSWERSCurrent Instruction Register Define CPU - ANSWERSThe main processor in a computer system handling data and instructions. Define ALU - ANSWERSA circuit that performs mathematical and logical (comparative) operations. Define CU - AN...

FDEME3L EXAM PREP LATEST UPDATE 2023

Computer Science H446/01 Set 2 Computer Systems practice paper review Describe one difference between paging and segmentation - answerIn paging memory is divided into fixed sizes. Segmentation divides memory logically (i.e. variable size) Interrupt - answerA signal to the processor indicating a device/process needs attention Describe what happens in the CPU when it receives an interrupt - answer1). If the interrupt is of a lower or equal priority to the current process then the current pr...

What is a bus? - Answer A set of parallel wires connecting two or more components of a computer What are the three computer buses and what do they do? - Answer - Address Bus carries addresses sent by the processor to access particular memory locations - Data Bus carries data from memory - Control Bus carries control signals What are examples of some control signals? - Answer - Memory write - Memory read - Interrupt request - Clock What is a word of data? - Answer A word is...

FDEME3L Exam Prep Latest.

GCSE Computer Science (OCR) Exam Questions And Answers (Verified And Updated) Arithmetic Logic Unit (ALU) - answerPerforms operations on data e.g. Addition, subtraction Control Unit (CU) - answerCoordinating activities of the CPU Registers - answerQuick, small stores of data within the CPU Memory Address Register (MAR) - answerHolds memory address for data or a instruction about to be used by the CPU Memory Data Register (MDR) - answerHolds actual data or instruction Accumulator - answe...

Arithmetic Logic Unit (ALU) Performs operations on data e.g. Addition, subtraction Control Unit (CU) Coordinating activities of the CPU Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Registers Quick, small stores of data within the CPU Memory Address Register (MAR) Holds memory address for data or a instruction about to be used by the CPU Memory Data Register (MDR) Holds actual data o...

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FDEME3L Exam Prep QuestionsAnd Answers.

CPU (Central Processing Unit) - ANSWERS has a number of different components which enable it to carry out its task of executing instructions Control Unit (CU) - ANSWERS controls and coordinates the activities of the CPU, carries out the FDE cycle, directs the flow of data between the CPU and other devices buses - ANSWERS a set of parallel wires connecting components of a computer three types of buses and the collective term for them - ANSWERS address bus, data bus, control bus (system b...