Input Output Devices

Match the following

• QWERTY

• Study of human factors related to the things people use

• ergonomics

• Most keyboard use this arrangement of keys

• scanner

• Flatbed and document are types of

• immersive

• Virtual reality strives to create this type of experience

• contrast ratio

• The monitor features that indicates the ability to display by comparing the light intensity of the brightest white to the darkest black.

A bar code system used by many electronic cash registers

• RSI

• UPC

• FDIC

• UPC

These are special-purpose printers for creating maps, images, and architectural and engineering drawings

• plotters

• headsets

• e-book readers

• whiteboards

Another name for an unmanned aerial vehicle (UAV)

• OMR

• liquid crystal

• drone

• ergonomics

These printers commonly use with the ATMs, producing images on heat-sensitive paper

• plotters

• inkjet

• thermal

• laser

The most important characteristics of a monitor is clarity, and it refers to

• toxicity of chemical

• the quality and sharpness of the displayed image

• power efficiency

3D printer is also known as

• creative manufacturing

• additive manufacturing

• thermal printer

• plotters

List the features of monitors

Answer explanation

resolution, dot pitch, contrast ratio, active display area, and aspect ratio

What is the difference between resolution and dot pitch of a monitor?

Answer explanation

Resolution refers to series of dots /pixels that form images.

Whiles dot pitch refers to the distance between each pixel

Briefly explain how does resolution and dot pitch affect the images on monitor?

Answer explanation

The higher a monitor’s resolution (the more pixels), the clearer the image produced.

The lower the dot pitch (the shorter the distance between pixels), the clearer the images