Unit 2 Flashcards

(20 cards)

1
Q

Describe how computing devices represent information?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Convert the binary number 1110 to decimal.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Name one important thing about lossy compression.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name one important thing about lossless compression.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Why do we need IP addresses in order for the internet to work?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is computer science?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Who can benefit from a computing innovation?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the internet?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the difference between the world wide web and the internet?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is a byte?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is digital information?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Name one difference between these two number systems: binary and decimal

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is a hexadecimal?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What do we use hexadecimals for?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a network?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Write an example of a valid IPv4 address.

17
Q

What does the DNS do?

18
Q

What does the HTTP allow us to do?

19
Q

What is phishing?

20
Q

What’s the difference between malware and a computer virus?