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Principles of Information Systems ...

12th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781285867168

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BuyFindarrow_forward

Principles of Information Systems ...

12th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781285867168
Chapter 3, Problem 1SAT
Textbook Problem
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The ______ is a set of physical connections that can be shared by multiple computer hardware components to communicate with one another.

  1. a. motherboard
  2. b. register
  3. c. bus
  4. d. control unit

Program Description Answer

A set of physical connections which is shared by multiple computer hardware components for communication purposes is known as “bus”.

Hence, the correct answer is option “C”.

Explanation of Solution

Bus:

  • A bus is used as a connecting device which shares multiple hardware components.
  • The communication between the motherboard components and the other devices is done through bus.
  • One of the defining characteristics of the system is the bus connecting the CPU and the memory, and is often referred to as the system bus.

Explanation for incorrect options:

Motherboard:

Motherboard connects all the components of a computer which includes CPU and main memory. It helps in providing connections for the peripheral devices which includes external hard drives, network devices, printers, data cards, video cards, and so on.

Hence, the option “A” is wrong.

Register:

Register is a high speed storage area located in the CPU which is used to temporarily hold small units of program instructions and data immediately before, during, as well as after CPU execution.

Hence, the option “B” is wrong.

Control unit:

Control unit interprets the instruction execution. It fetches the instruction from the main memory and tells the user which instruction to execute, and other parts of system such as ALU and memory unit perform the operations.

Hence, the option “D” is wrong.

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