Principles of Information Systems (MindTap Course List)
Principles of Information Systems (MindTap Course List)
12th Edition
ISBN: 9781285867168
Author: Ralph Stair, George Reynolds
Publisher: Cengage Learning
Expert Solution & Answer
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Chapter 3, Problem 1SAT
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”.

Expert Solution & Answer
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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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Principles of Information Systems (MindTap Course List)

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