Principles of Computing: Chapter 1 - Computers and Operating Systems

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What is the main goal of the chapter?

To list the parts of a computer

To define the term program

To explain the role of networking

To describe the importance of computers in today’s world (correct)

Which of the following is NOT a part of a computer?

Ports and Connections (USB, Firewire, etc.)

Expansion Cards (Video Card, Sound Card, or NIC) (correct)

Input Devices (Keyboard, Mouse, etc.)

Output Devices (Monitor, Speakers, etc.)

What is the primary role of an operating system?

To define the term program

To exercise common Unix commands

To explain what is meant by data

To manage the hardware components of a computer (correct)

Which field does the text NOT mention as a role of computers?

Agricultural Field Signup and view all the answers

What are the primary hardware components of a computer?

Central Processing Unit and memory Signup and view all the answers

What is the function of expansion cards like Video Card, Sound Card, or NIC?

To enhance performance or functionality Signup and view all the answers

What is the function of the operating system in a computer?

Instructs the computer on how to operate Signup and view all the answers

Which component of a computer converts AC power from the wall socket into DC?

Power supply Signup and view all the answers

What is the main function of a computer's central processing unit (CPU)?

Executes a program, which is a sequence of stored instructions Signup and view all the answers

What is resistance measured in?

Ohms Signup and view all the answers

What is voltage?

A measure of the force required to push electrons through a circuit Signup and view all the answers

What is power in electricity?

Voltage multiplied by current Signup and view all the answers

What should you not do to a power supply?

Open it Signup and view all the answers

Which component of a computer contains the buses, or electrical pathways found in a computer?

Motherboard Signup and view all the answers

What is the main function of a computer case?

Provides protection and support for internal components Signup and view all the answers

Principles of Computing: Chapter 1 - Computers and Operating Systems

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