A touchscreen can serve as both an input device and a standard keyboard.
Standard Keyboard:
The most common layout is QWERTY.
Pointing Devices
The most popular type of pointing device is a mouse.
Terminology
ATM: Automated Teller Machine.
Higher resolution corresponds to higher pixels.
WiFi: Stands for Wireless Fidelity.
Hotspot: A personal area network.
Proper Typing Techniques
Feet should be placed flat on the floor.
Body should be centered to the G/H keys, with elbows in.
Sit up straight; the body should be erect and supported by the chair.
Fingers should be curved and resting on the home row.
Wrists should be low but not resting on the keyboard or table.
Eyes should be on the copy.
Use keys by touch with correct fingering.
Hit keys with a smooth and regular rhythm.
The front edge of the keyboard should be even with the table edge.
The pinky finger should stay anchored when hitting the ENTER key.
Computer Basics Vocabulary
Bit: A bit is the smallest unit of data stored or processed in a computer. Example: "The data bit that was stated in my computer was corrupted."
Byte: A byte typically consists of 8 bits. Example: "The game I downloaded took 2 bytes of data."
5 Steps of Informative Processing: The five steps are:
Input
Processing
Output
Distribution
Storage
Example: "I use the 5 steps of informative processing to…"
RAM (Random Access Memory): Used for temporary storage while the computer is processing. Example: "RAM saved my files from deleting while my computer was updating."
ROM (Read-Only Memory): Long-term memory used for programs that run while the computer starts. Example: "The tears.app is always running; it uses ROM."
Hardware: Refers to computer equipment. Examples include a mouse, a monitor, and CDs. Example: "I use hardware every day."
Peripheral: A piece of hardware that works with the CPU. The peripheral helps the CPU, and the CPU helps the peripheral.
Software: A set of instructions for the computer. Examples include Microsoft Windows, macOS, and GNU/Linux. Example: "The main software I use is Microsoft Windows."
Online Applications
Online applications allow for specific tasks. Example: "Sending an email is an example of online applications."
System Utilities
System utilities help maintain your computer and perform routine tasks. Example: "My phone and computer would have been corrupted without system utilities."
Software Types
Shareware: Copyrighted commercial software.
Freeware: Commercially developed software available free of charge. Example: "I use freeware apps all the time."
Open Source Software: Software that is also freeware, where the source code is available.
Input Devices
Input devices include microphones, webcams, and joysticks. Example: "The input device I use most is a microphone."
Communication Programs
Communication programs allow you to communicate on the web. Example: "A communication program I use is Outlook."