Direct Data Entry

• Computing

Input Devices

Direct Data Input Devices

Lesson Objectives

Know the difference between input and direct input devices

Identify the use and advantages and disadvantages of each

Identify the image of each device

Instructions

Click on link read slides for 5 minutes and answer the questions posted on lesson up

https://docs.google.com/presentation/d/1nFO5VtQz3hhzT2yZ7qvxb_FWieIWQgIWq-qwMEV6788/edit?usp=sharing

00:05

Advantages

Disadvantages

Wrong device

Magnetic strip reader

No data entry errors

The stripes are robust and not easily damaged .

Don’t have to use PIN.

If the stripe get damaged then the data is lost.

Easy to jam or interrupt.

Can hold a small amount of data.

00:33

Give one disadvantage of an RFID

00:44

Write down one disadvantage of OCR

Direct data entry

Create mind map on your topic

Write down two pieces of information you have learnt in the lesson

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