Hardware & Software Components

Introduction

You just received a grant for $3000 to purchase a new computer. How can you determine what type of computer to purchase and what type of hardware and software is needed? This module will uncover the basics of hardware and software components. You will also discover how to secure your hardware and protect your software as well as learn how to determine if software is pirated.

Essential Questions

What components should I consider when purchasing a new computer?
Why is it important to recycle old computer parts?
What is the difference between types of software?

Key Terms

Card reader - a device that transfers data between a memory card and a computer.
Chromebook – a laptop using web-based software storing data in Google’s cloud-based Chrome Operating System rather than on a local hard disk.
Device driver - software that helps a peripheral device establish communication with a computer.
Executable file – a file that contains a computer program that is carried out step-by-step within the microprocessor.
Form factor – the size and dimensions of a device of components such as circuit boards and system units.
Gigahertz (GHz) - a measure of the frequency equivalent to one billion cycles per second.
Integrated circuit - Another name for a chip, an integrated circuit (IC) is a small electronic device made from a semiconductor material.
Linux platform - uses a standard PC or Mac to run the Linux operating system.
Mac platform - based on a proprietary design for a personal computer called the Macintosh or Mac, manufactured almost exclusively by Apple Inc.
Malware - a program or a set of program instructions that are designed to enter a computer and disrupt its normal operations.
Megahertz (MHz) - a measure of the frequency equivalent to one million cycles per second.
Mobile App - an application designed to be downloaded to a handheld device like a smartphone or tablet computer.
PC Platform - based on the design for the IBM PC.
Peripheral device - designates input, output, and storage equipment that might be added to a computer system to enhance its functionality.
Portable computer – a computer device such as laptops, tablets, and smartphones that operate on battery power.
Service Pack - a collection of patches designed to correct bugs and/or add features to an existing software program.
System Unit - the case that holds the computer's main circuit boards, microprocessor, memory, power supply, and storage devices.
System Utilities - can track down and fix disk errors, repair corrupted files, and give devices a performance-enhancing tune-up.
Wearable computer – computer-powered devices or equipment that can be worn by a user, including clothing, watches, glasses, shoes, and similar items.

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