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Long, John, Petree
9
BASIC COMPUTER PARTS
Presented by Landon, Lucas, & Tyler
MONITOR
Resolution is the amount of pixels in each inch of an image
A1
A monitor is a computer part that displays all the graphics and details of the computer.
- It is similar to a TV but is has more resolution
- A monitor is essential in a PC system. Without a screen to see the info the computer becomes useless
Monitor
Something Interesting
An LCD monitor like the monitors in this room can have an average of 2,073,600 pixels.
Computer monitors used to be known as visual display units (VDU), but people stopped calling them this by the 1990s.
Newer computer monitors are able to display a different image for each eye with the help of special glasses.
The Connection
The monitors in this classroom have 2 main cords connected to it
- VGA cable
- AC adapter
The Connection
VGA cable
Transferring electric signals from the tower to the monitor
AC Adapter
Coverts energy from the wall to direct currents into the computer
Measurements
A monitor's size is measured by finding the distance from one corner of the screen to the opposite corner.
Measurements
Every monitor is normally measured in inches and is different from screen resolution.
Extra Info
TOWER
A2
A computer tower is a box that stores all the essential components of a computer
Tower
The Cords
Some cords or conecters that conect to the towers are...
-VGA cable
-Ethernent cable
-USB cables
-HDMI cables
-DVI Cables
Computer Tower
In a computer tower there are 5 main components...
Random Access Memory (RAM): Is the computers short term memory that stores data for a later use.
Central Processing Unit (CPU): A tiny piece on the motherboard that is the central processor
Computer
Tower
Storage device: A device used to to store data and applications for later use
Graphics Processing Unit (GPU): Is a small circuit used to speed up a computers graphics
Motherboard: A circuit board that connects all the hardware and evenly distributes power in the computer
- A CPU's speed is measured by the number of cycles your CPU completes per second, measured in gigahertz.
- Early CPU were make from vacuum tubes
Extra Information
CPU
CPU
CPU or Central Processing unit is one of the most important pieces in the tower...
- It is the main circuit that controls the entire tower and monitor
- It located on the center of the motherboard
- The CPU is usually a
two-inch square with
a silicon chip located
inside.
USB
USB
USB or Universal Serial Bus is one of the most popular connector cables. It is used to...
- Standardize connections to other devices for power, communication, cameras, and more
- Imports data from computer to computer
The Computer Connection
The front USB ports which which are wired to the motherboard are used for USB drives or chips
The back USB ports which are directly connected to the motherboard are used for connecting external devices such as a mouse, keyboard, or external hard drive
MOUSE
A3
What is a Mouse?
A computer mouse is a device that detects motion on a surface. This motion is translated into the motion of the pointer on a display.
Mouse
The world of Mice
The first mathematical name for the mouse was called: X–Y position indicator for a display system. Then it was called a bug. The first computer mouse was made by Douglas Engelbart.
The Click
The mouse has two important buttons on it. They are on the left and right of the scroll wheel.
Left
Right
Click, select, drag, highlight.
The Click
It provides additional information like copying and pasting
Connecting...
The mouse connects to the computer by cord or by an RF.
Wired
Wireless
Connection
Did you know?
Mice used operated at a frequency of 27 Mhz, which had limited range. Now mice operate at 2.4 Ghz which gives them greater range, about 100 to 150 feet away.
GHz, short for gigahertz, is a unit of frequency equal to one billion hertz.
MHz, is short for megahertz, is a unit of frequency equal to 1 million hertz.
Learn More About It
RF: Radio frequency transmitts information to the computer. We you this when we click or do something with the mouse.
Wired mouses use a cord that plugs into a USB port.
Wireless mouses use a radio frequency (RF) transmitter. This transmits to the computer. You put the a receiver into the USB port to connect.
The Motion Sensor
The Parts
The Mouse has five different parts on it.
- The left button
- The right buttons
- The scroll wheel
- The Motion sensor
- The Connection cord
The left button
The Scroll wheel
Parts
The Connection Cord
The Right Button
The Keyboard was invented in 1867 by Christopher Latham Sholes. It was called the QWERTY.
KEYBOARD
A4
What is a Keyboard
- A Keyboard is a component of the computer that inputs letters, numbers, and symbols on to the screen.
- The keyboard can be seperated from the other parts of the computer.
Keyboard
The Keys
- On a chromebook there are 74 keys. The keys all do something different.
-They can help you with short cuts. Like copying and pasting.
-Home Row is were you have your fingers when you type.
Ctrl
The Keys
One shortcut is Ctrl/Alt/Delete this brings you to a multi choice where you can shut the computer down and other things like locking it.
Delete
Alt
Caps Lock
CAPS LOCK
-Caps lock, located the left side of the keyboard, makes all letters typed capital.
Caps Lock
The Rows
The F row
Top Row
- There are 6 rows on the keyboard.
- There are 3 rows that contain the alphabet, called the top row, the home row, and the bottom row. The home row is the most important it is where your fingers stay when you are typing.
- 1 row for adjusting you sound and other things on main computers it has the Function keys.
Rows
Number Row
Home Row
- 1 numbers and special symbols at the top row.
- The last row is the space bar.
Space bar Row
Bottom Row
ETHERNET CABLE
A5
What is an Ethernet cable and what is it's main purpose?
- DEFINITION: Ethernet cables are wired network cables that transmit data
- MAIN PURPOSE: Ethernet cable are used to connect devices together on a Network to transfer high speed data
Ethernet Cable
Ethernet cables were developed between 1973 and 1974, this means that they're about 50 years old!
What Devices Are Connected By This Cable?
Connection
- Any device with an ethernet port (Computers, gaming consoles, TVs, etc.) can be connected to routers, modems, and telephone lines to provide an internet connection
How does this differ from Wi-Fi
- Wi-Fi transmits wireless signals.
Whats the difference?
- Ethernet Cables transmit data signals over an actual cable.
VS.
VGA CABLE
A6
VGA Cable
What is a VGA cable and what is its purpose?
- A VGA cable is a computer cable that carries digital displays and video signals from electronic devices to monitors or televisions
- VGA stands for Video Graphics
Array
Other names for a VGA include; HD-15, DB-15, and DE- 15
VGA Vs. HDMI
The VGA cable was introduced in 1978, while the HDMI has been in exsistence since 2002
VGA Vs. HDMI
- While VGA was the most popular choice for connecting multiple devices in the 1990's and 2000's, HDMI became more popular and ended up replacing VGA entirely.
-While VGA cables are still available, HDMI cords are now more modern, higher quality, and much more versatile
-Major tech manufacturers like Intel, Samsung, LG & Dell have dropped VGA
VGA cords must be screwed in, due to its brittle pins
Connection
Connection
- VGA cables are connected from electrical devices to a video display output
- VGA cables are most commonly used to connect a CPU to a monitor
- Other applications include, but are not limited to laptops, TVs, graphics card, etc.
Differences
VGA
HDMI
Differences
- Analog
- Lower
resolution
- No audio
- Outdated
- Digital
- Higher resolution
-Industry
standard
- Audio and
video