Computer Organization & Microprocessors Architecture Components Quiz
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Questions and Answers

What is the main function of the CPU?

  • Storing instructions and data
  • Facilitating communication between the computer system and the outside world
  • Controlling all other units attached to the system
  • Executing instructions in the main memory (correct)

Which subsystem provides the means of communication between the computer system and the outside world?

  • Memory
  • CPU
  • Arithmetic and Logic Unit
  • I/O Subsystem (correct)

What are the basic categories of registers inside a microprocessor?

  • General purpose registers and Control Unit (correct)
  • I/O System Bus
  • High-speed memory locations
  • Arithmetic and Logic Unit

What is responsible for executing the instructions in the main memory?

<p>CPU (B)</p> Signup and view all the answers

What are the components associated with a computer system?

<p>CPU, Memory, I/O Devices (D)</p> Signup and view all the answers

What facilitates communication between the subsystems of a computer system?

<p>'Buses (C)</p> Signup and view all the answers

What is the main function of the Arithmetic and Logic Unit (ALU) in a microprocessor?

<p>Performing arithmetic, logical, and comparative operations (C)</p> Signup and view all the answers

Which register always holds the address of the memory location where the next instruction is stored?

<p>Program Counter (PC) (C)</p> Signup and view all the answers

What is the primary responsibility of the Control Unit in a microprocessor?

<p>Generating control and timing signals (B)</p> Signup and view all the answers

Which type of operations are NOT directly performed by the Arithmetic and Logic Unit (ALU) in a microprocessor?

<p>Multiplication and division (D)</p> Signup and view all the answers

Which component is responsible for controlling everything internal and external to the microprocessor?

<p>Control Unit (C)</p> Signup and view all the answers

What is the function of the Condition Code Register (CCR) in a microprocessor?

<p>Reflecting certain conditions after executing arithmetic or logic instructions (D)</p> Signup and view all the answers

Which register holds the current instruction being executed at a given moment in a microprocessor?

<p>Instruction Register (IR) (B)</p> Signup and view all the answers

What is the purpose of the Memory Buffer Register (MBR) in a microprocessor?

<p>Storing temporary data (A)</p> Signup and view all the answers

What does the Program Counter (PC) do after the fetch cycle in a microprocessor?

<p>Increments to point to the next instruction (D)</p> Signup and view all the answers

What type of operations does the Control Unit generate in a microprocessor?

<p>Control and timing signals (B)</p> Signup and view all the answers

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