Week 1: digital world

Question 1

Digital Information

Answer 1

Information stored as number

Question 2

Text

Answer 2

letters are converted into ASCII code numbers for digital storage

Question 3

Pictures

Answer 3

Pictures are broken down into pixels (picture elements), each pixel is assigned a number that tells it what colour it should be. The combination of pixels allows an image to be captured and stored digitally.

Question 4

Digital System

Answer 4

Information technology that captures, analyzes, outputs, and stores information digitally.
Such that Value digit information output > Value Captured data

Question 5

Benefits

Answer 5

easier to store, easier to share, exact copies are easier to make, simultaneous access to digital information, information can more easily be protected using encryption

Question 6

Consequences

Answer 6

information can be copied by people given access making plagiarism easier, personal/ sensitive data can be leaked, data is easier to modify without a trace so content integrity is a concern, floods of data from over-use can be difficult for information technology to organise.

Question 7

Digital-first

Answer 7

Our world is digital-first, meaning people prefer to capture information digitally.