Practice - Instruction Format and Operation Codes
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Practice Questions
Test your understanding with targeted questions
What does the opcode of an instruction indicate?
💡 Hint: Think about what the CPU needs to understand to execute a command.
What is the purpose of the Instruction Register (IR) in a CPU?
💡 Hint: Consider where instructions are stored temporarily during execution.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the function of the Instruction Register?
💡 Hint: Think about where the current instruction is stored.
The opcode part of an instruction tells the CPU to perform which action?
💡 Hint: What kind of instruction are you being asked to interpret?
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design an instruction set for a hypothetical CPU that can perform four distinct tasks: read, write, add, and subtract. Assign opcodes and describe the roles of each instruction.
💡 Hint: Consider what actions each instruction needs to perform on data.
Given that a CPU runs at 2 GHz and executes 18 cycles per operation, calculate the total execution time for a set of instructions.
💡 Hint: What relationship do frequency and time share here?
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