Instructional Technology for

TeachingCTE 629A

Rob Askey Ed.D.

Hard DrivesSerial Advanced Technology Attachment (SATA) is a

computer bus primarily designed for transfer of data between the motherboard and mass storage devices, such as hard disk drives and optical drives, inside a computer

SATA Faster than EIDE/Newer Technology/More Expensive

Hard DrivesEIDE Slower than SATA/Cheaper

USB Multimedia KeyboardUSB Newer Technology than Serial PS/2

Serial Multimedia KeyboardOlder keyboards typically use a ps/2 connector (round

connector with 4 or 6 pins). If you want to connect your older keyboard to a new PC you will need to physically change the ps/2 plug to a USB plug (rectangular, flat connector)

PS/2 connector

USB MouseMost people try to get a wireless mouseThere can be a huge range in price

MemoryRAM (random access memory), a type of

computer memory that can be accessed randomly. RAM is the most common type of memory found in computers and other devices, such as printers.

This is an easy upgrade

CDRW SATAShort for CD-ReWritable disk, a type of CD disk

that enables you to write onto it in multiple sessions. One of the problems with CD-R disks is that you can only write to them once. With CD-RW drives and disks, you can treat the optical disk just like a floppy or hard disk, writing data onto it multiple times.

DVD-RW SATAShort for DVD-ReWritable, a re-recordable

DVD format If you buy a DVD-RW SATA drive it will also

be a CD-RW

CPU (central processing unit)This is the part of a computer that controls

the interpretation and execution of instructions

MotherboardA motherboard is the central or primary

printed circuit board (PCB) making up a complex electronic system, such as a modern computer or laptop.

Everything plugs into the motherboard

MonitorContrast ratio- can help you determine how rich

the color will be in on-screen images. A higher ratio is better.

Screen resolution- signifies the number of dots (pixels) on the entire screen. For example, a 640-by-480 pixel screen is capable of displaying 640 distinct dots on each of 480 lines, or about 300,000 pixels

PeripheralA peripheral is a piece of computer hardware that is added to a

host computer, i.e any hardware except the computer, in order to expand its abilities. More specifically, the term is used to describe those devices that are optional in nature, as opposed to hardware that is either demanded or always required in principle.

USB PrinterDPIWPMColor/ BWLaser/ inkjetNetworkableWireless