Savvas Topic 7: Information Technologies

What does EM stand for?

• Electric Monkey

• Electromagnetic

• Emergency Man

• Extra Mayo

How are letters transmitted in morse code?

• As letters, like on a paper

• different combinations of dots and dashes

• different combinations of 1s and 0s

• written in pencil

What is software?

• programs that encode, decode, and interpret info

• the physical components of technology

• random signals from the environment affecting digital/analog signals

• More convenient for computers/harder to alter thru noise/harder to hack/less bandwidth

Choose one advantage of analog signals.

• high resolution through continuous recording

• hard to record/ take up a lot of space (technically two, I know)

• recorded as numbers, easy to store

• data can be missed between intervals

The use of light and cables to transfer electric signals over long distances

• WiFi

• GPS

• fiber optics

• landline

A __________ is a piece of information that is communicated through using the senses.

• wave

• signal

• circuit

• notification

How can the number of pixels in an image affect its quality?

• more pixels, better resolution, and the opposite as well

• less pixels, better resolution, and the opposite as well

• more pixels, worse resolution, and the opposite as well

• None of the above, and the opposite as well

What is noise?

• programs that encode, decode, and interpret info

• the physical components of technology

• random signals from the environment affecting digital/analog signals

• More convenient for computers/harder to alter thru noise/harder to hack/less bandwidth

To translate information into the form of code

• transmit

• encode

• signal

• encrypt

What is binary?

• a computer language consisting of ones and zeroes

• a spoken language consisting of ones and zeroes

• an ASL language consisting of ones and zeroes

• a computer language consisting of ones and twos