Hardware
Section Overview
Welcome to this section on Hardware.
After studying this section you will be able to understand the functioning of Central Processing unit, know about different types of computer memory, input output devices and storage devices.
Outcomes
In this tutorial we will:
- Understand some of the functions of the CPU in terms of calculations, logic control, immediate access
- Know that the speed of the CPU is measured in megahertz (MHz) or gigahertz (GHz)
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Outcomes
In this tutorial we will:
- Understand different types of computer memory such as: RAM (random-access memory), ROM (read-only memory)
- distinguish between different types of memory
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Outcomes
In this tutorial we will:
- Identify some of the main devices for inputting data into a computer such as: mouse, keyboard, trackball, scanner, touchpad, lightpen, joystick, digital camera, microphone.
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Outcomes
In this tutorial we will:
- Identify common output devices for displaying the results of processing carried out by a computer, such as: monitors, screens, printers, plotters, speakers
- Know where these devices are used
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Outcomes
In this tutorial we will:
- Understand some devices which function as both input/output devices such as: touchscreens, PDAs etc.
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Outcomes
In this tutorial we will:
- Compare the main types of memory storage devices in terms of speed, cost and capacity such as: diskette, Zip disk, data cartridges, CD-ROM, internal, external hard disk
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