INTEGRATED CIRCUITS

Which device interprets instructions inside the CPU?. BIOS chip. Data latch. Instruction decoder.

Which components form the core communication through the microprocessor's bus?. Control unit, Cache, Decoder. Screen memory, Printer, Cache. CPU, Memory, Input/Output.

What register acts as an instruction pointer?. Stack pointer. Program counter. Instruction register.

Which part of the processor controls all other parts?. Control unit. Arithmetic unit. Status register.

Which of the following is true about program execution?. Instructions are stored randomly. Instructions are stored sequentially and the program counter tracks them. Only the CPU register determines execution sequence.

What is the role of registers in digital computers?. Keep track of user inputs. Store bits in permanent memory. Temporarily store data.

Which unit is involved in performing addition and subtraction?. Control unit. Cache. Arithmetic Logic Unit.

What type of bus allows bidirectional data flow?. Control. Address. Data.

Which unit has the fewest internal components?. Graphics card. CPU. ALU.

What is the main register used in calculations within the CPU?. Instruction register. Accumulator. Program counter.

What unit handles branching in a program?. ALU. Program counter. Instruction decoder.

What is the function of the accumulator in a microprocessor?. Performs arithmetic and logic operations. Stores device settings permanently. To locate the next instruction address.

Why are registers faster than memory?. They are further from the CPU. They store more data. They are inside the CPU.

Which of the following describes the instruction cycle?. Data fetch and decode. Fetch, decode, execute. Control-execute.

What is the output of a program counter used for?. Fetching the next instruction. Activating hardware interrupts. Storing results.

In a typical microprocessor, what directs the operation of the ALU?. Status flag. Stack. Control unit.

Which bus carries signals that manage processor operations?. Control bus. Input bus. Data bus.

Which of the following does not store data?. Register. ALU. Instruction decoder.

Which technology level does a microprocessor represent?. MSI. VLSI. SSI.

Which register stores the address of the next instruction to be executed?. Program counter. ALU. Instruction register.

The primary role of the program counter is to: Perform logic operations. Point to the next instruction. Decode instructions.

Which of these is not typically a CPU register?. Accumulator. Stack pointer. Hard disk controller.

Which processor section handles arithmetic tasks?. Control unit. Arithmetic Logic Unit. Status register.

Why does the CPU require a data bus?. To read and write data. To decode operations. To control peripheral devices.

What best defines a status register?. Processor’s instruction sequence controller. Motherboard information tracker. Processor state indicator.

Which component ensures correct instruction sequencing?. Program counter. Accumulator. ALU.

What device monitors the sign of the accumulator's value?. Status register. Instruction decoder. PC register.

Which bus does the program counter output appear on?. The control bus. The data bus. The address bus.

What is the main difference between the address bus and the data bus?. Data bus is slower than address bus. Address bus transmits location; data bus transmits data. They both carry control signals.