Computer Science: Control Unit (CU) Components
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Questions and Answers

What is the main function of the Control Unit in a CPU?

  • Direct the movement of electronic signals between memory and ALU
  • Store data and instructions temporarily
  • Manage instructions given to the computer (correct)
  • Perform arithmetic and logical operations

Which component of a CPU is responsible for arithmetic and logical operations?

  • Input/Output Devices
  • Control Unit (CU)
  • Memory Registers
  • Arithmetic Logic Unit (ALU) (correct)

What type of operations does the Arithmetic Logic Unit (ALU) perform?

  • Addition and division operations
  • Arithmetic and logical operations (correct)
  • Arithmetic and optical operations
  • Mathematical and scientific operations

Which unit in a CPU reads and interprets instructions from memory?

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

What does the Control Unit direct in a CPU?

<p>The movement of data between various units (B)</p> Signup and view all the answers

Which unit in a CPU performs boolean comparisons such as AND, OR, and NOT?

<p>Arithmetic Logic Unit (ALU) (D)</p> Signup and view all the answers

What is the role of the control unit in a CPU?

<p>Execute program instructions (B)</p> Signup and view all the answers

In the described CPU operation, what does the memory address 7 hold?

<p>First number entered by the user (A)</p> Signup and view all the answers

How does the control unit interact with the Arithmetic Logic Unit (ALU) during the process of multiplying two numbers?

<p>Control unit informs ALU about upcoming arithmetic operation (C)</p> Signup and view all the answers

What initiates the process of sending electronic signals to the CPU in the described scenario?

<p>User input from the keyboard (A)</p> Signup and view all the answers

Which component is mainly responsible for routing signals to specific memory addresses in a computer system?

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

During the multiplication operation, which part of the computer processes the actual arithmetic calculation?

<p>Arithmetic Logic Unit (ALU) (C)</p> Signup and view all the answers

What is the main function of the Central Processing Unit (CPU) in a computer system?

<p>Performing data processing operations (B)</p> Signup and view all the answers

Which component of a computer system allows users to interact with the CPU?

<p>Peripheral devices (D)</p> Signup and view all the answers

In the block diagram of a computer system, which part is responsible for controlling the operations of the CPU?

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

What is the function of a light pen in a computer system?

<p>Interacting with the CPU directly (A)</p> Signup and view all the answers

Which device is used to store information in storage devices like hard disks or pen drives?

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

What is the primary role of speech input devices in a computer system?

<p>Accepting data/information from the user (C)</p> Signup and view all the answers

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