Thursday, November 1, 2007

Module B Assignment 2

Topic # 1

Part A:

- Police Radio Jammer: Blocks radar gun readings, and accidentally blocks wireless signals. It is not permanent because you can move it around.

- Signal Jammer: Hospitals use them so they don't mess up any chemotherapy by having someone's cell phone go off. They're like... permanent fixtures.

- Concrete Blocks: Due to its thickness it blocks signals, used for building concrete walls, like the walls found in schools or in basements.

- Microwaves: the particles emitted by a microwave while it is in the process of cooking/thawing food can cause signals to be lost...

Part B

-Signal Jammer: To avoid EMI from a signal jammer simply move away from the unit.

-Police Radio Jammer: By turning a radio jammer off, you avoid EMI. By doing so you also risk getting caught by the police for speeding.

-Concrete Blocks: To avoid the EMI from concrete blocks, you have to either re-build the wall using a materail that won't emit EMI or by a signal booster.

-Microwave: To avoid EMI from micowaves you must make sure that the router isn't near the microwave, or between your computer and the router if you use a wireless connection.

1 comment:

Anonymous said...

Hi Sammie:

Here we go...hmmm...you and Chris and Breeanne's work all looks the same...

A. Research the types of devices that can cause electromagnetic interference (EMI)--must include a minimum of 4 devices

Offers minimum 4 devices -- 4/4 marks (1 mark each)

Presents a brief description of each (2-3 sentences) -- 3 x 4 = 12/12 marks

B. Research ways to reduce EMI from the devices you state.

Offers a brief and adequate solution for each -- 4 x 2 = 6/8 marks
--not sure why turning it off means you can get caught by the police--aren't the radio jammers illegal in the first place?

TOTAL: 22/24 marks

Yaz