InputOutputStorage

Keyboard*

speaker*

plotter*

OMR*

DVD*

Scanner*

Floppy disk*

Graphic tablet*

Printer*

CD-ROM*

2a) advantage: No pressure Less distractions

b) disadvantage: work doesn't end easily, Difficulty in separating home from work

3)all information is together and easily retrievable.

4i)SUM(C3+D3+E3+F3+G3)ii)5a)a piece of software that can 'infect' a computer.b)install anti- virus protection and never download and install software.6a)night bulbb)air condition7a) take regular break, Use a wrist-rest to support the wrists and sit back straight.b) take regular break and re-focus on distant or close objects to exercise the muscles in the eye.8)Sheet metal forming simulation, Metal Casting Simulation and Electronic Simulation9)AdvantageDisadvantage

Easy to buy and product are cheaperDelay and shipping charge

10)AdvantageDisadvantage

Researching and easy to findLess concentration in work and do not do work properly ( copy and paste)

11a)3100 and 2999b)2999 and 3100c)Ford Modeo, Ford