Href":"/gcse/computer-science/edexcel/questions","basePath":"/gcse/computer-science/edexcel/hardware/questions","formulaUrl":null,"initialIndex":23,"initialQuestionWindow":[{"id":"2c2b2781-734d-4d64-bbad-b30778fc3337","revisionId":"d34f4fa9-56a0-433f-acbf-62f523dfa696","questionNumber":null,"questionType":"LA","specification":"The CPU utilizes system buses to transmit data, instructions, and control signals between the CPU, memory, and other hardware components.","difficulty":2,"difficultyBand":"easy","totalMarks":3,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"dbb2ef0a-e6d6-4cf9-910d-4df07d3793be","label":null,"content":"Complete the table by writing the correct bus (**Address Bus**, **Data Bus**, or **Control Bus**) for each role.\n\n| Bus | Role |\n| :--- | :--- |\n| | Carries physical addresses of memory locations to specify where data should be read from or written to. |\n| | Carries synchronization, command, and timing signals (such as read/write requests and interrupts) from the Control Unit. |\n| | Transports the actual data values or program instructions between the CPU registers and main memory. |","markscheme":"- Identifies **Address Bus** for the first role (carrying physical addresses) B1\n- Identifies **Control Bus** for the second role (carrying synchronization, command, and timing signals) B1\n- Identifies **Data Bus** for the third role (carrying actual data or instructions) B1","marks":3,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"2fc210f8-c795-4a03-9592-4656ca2dcfc0","revisionId":"78901169-215a-4cd2-a6cf-bce7f3a2faa0","questionNumber":null,"questionType":"LA","specification":"","difficulty":2,"difficultyBand":"easy","totalMarks":1,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"831816ec-d788-42a3-85ee-0f0f2e945f0c","label":null,"content":"Complete the sequence representing the fundamental cycle performed by the Central Processing Unit (CPU) to process a machine instruction.\n\n`Fetch` $\\rightarrow$ `....................` $\\rightarrow$ `Execute`","markscheme":"- Identifies the missing stage of the cycle as **Decode** (or **Decoding**) B1","marks":1,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"30df0d70-34bc-4652-88d4-6ae97576a0bf","revisionId":"89cba642-74d3-4f12-b5d1-520ff34e437f","questionNumber":null,"questionType":"LA","specification":"During the Fetch stage of the Fetch-Decode-Execute (FDE) cycle in a Von Neumann processor, the control unit coordinates the movement of data between registers and memory.","difficulty":3,"difficultyBand":"easy","totalMarks":1,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"c9288e0e-5b4d-4ef7-8f0a-324678812d12","label":null,"content":"State the primary function of the Program Counter (PC) at the start of this stage.","markscheme":"- Holds the memory address of the next instruction to be fetched from main memory B1","marks":1,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null}],"subjectCode":"gcse_computer_science","summaries":[{"id":"0134bd05-2f75-4e2b-9e6b-0186e46d8c19","difficultyBand":"easy","calculatorUse":null},{"id":"069e3150-0c3f-46ae-9cd9-9f0a2dc913fc","difficultyBand":"easy","calculatorUse":null},{"id":"0708efb2-1685-431c-a3e1-e27fc0e78b69","difficultyBand":"easy","calculatorUse":null},{"id":"08223b2e-dc24-4792-8b8e-1c88f1d5ec49","difficultyBand":"easy","calculatorUse":null},{"id":"0a8f7e86-784f-495f-80bf-cbe039af3078","difficultyBand":"easy","calculatorUse":null},{"id":"13e783fd-a40c-46f0-8b6e-3cc17de6004b","difficultyBand":"medium","calculatorUse":null},{"id":"14d6b53a-8a32-4c28-b8d5-c0e064456c68","difficultyBand":"easy","calculatorUse":null},{"id":"1608a0c7-fe41-4a46-8b93-4638be25b196","difficultyBand":"easy","calculatorUse":null},{"id":"1827f249-1cb9-46d7-b0db-f8919830271d","difficultyBand":"easy","calculat

Hardware

Question 16

Hardware Questions

Hardware

Question 16

Hardware Questions