Podcast
Questions and Answers
What is the primary function of the Control Unit in a processor?
What is the primary function of the Control Unit in a processor?
- Performing arithmetic and logical operations on data
- Controlling the movement of data and instructions into and out of the processor (correct)
- Fetching instructions from memory
- Temporarily storing data during instruction execution
What is the purpose of the internal processor bus?
What is the purpose of the internal processor bus?
- To perform arithmetic and logical operations
- To transfer data between registers and the ALU (correct)
- To connect the processor to the system bus
- To control the flow of data in the processor
During the instruction cycle, what happens during the 'fetch data' stage?
During the instruction cycle, what happens during the 'fetch data' stage?
- The processor reads an instruction from memory
- The processor reads data from memory or an I/O module (correct)
- The instruction is decoded to determine the required action
- The processor writes data to memory or an I/O module
What is the purpose of registers in a processor?
What is the purpose of registers in a processor?
What is the function of the Arithmetic and Logic Unit (ALU) in a processor?
What is the function of the Arithmetic and Logic Unit (ALU) in a processor?
What is the sequence of events during the instruction cycle?
What is the sequence of events during the instruction cycle?
What is the primary function of user-visible registers in a processor?
What is the primary function of user-visible registers in a processor?
What is the role of the control unit in the processor?
What is the role of the control unit in the processor?
What is the hierarchy of memory levels in a processor?
What is the hierarchy of memory levels in a processor?
What is the purpose of the program counter (PC) register?
What is the purpose of the program counter (PC) register?
What is the function of the condition codes in a processor?
What is the function of the condition codes in a processor?
What is the role of the Memory Address Register (MAR) in instruction execution?
What is the role of the Memory Address Register (MAR) in instruction execution?
In the MC68000 microprocessor, how many address registers are available?
In the MC68000 microprocessor, how many address registers are available?
What is the primary function of the status register in a microprocessor?
What is the primary function of the status register in a microprocessor?
During the instruction cycle, what occurs in the indirect stage?
During the instruction cycle, what occurs in the indirect stage?
What is the purpose of the carry flag in a microprocessor?
What is the purpose of the carry flag in a microprocessor?
What is the main difference between the Intel 8086 and Intel 80386 microprocessors?
What is the main difference between the Intel 8086 and Intel 80386 microprocessors?
In what mode can certain privileged instructions be executed in a microprocessor?
In what mode can certain privileged instructions be executed in a microprocessor?
