Lecture 1

Question 1

Bit:

Answer 1

single space that can hold a 1 or 0

All combinations are powers of 2 (the power tells you how many bits we’re dealing with)

Question 2

Byte:

Answer 2

defined length combo of bits (come in many sizes)

Question 3

unicode:

Answer 3

language representative system that uses 32 bit bytes roughly 4.3 billion combos

Question 4

UTF-8:

Answer 4

a flavor of Unicode that helps abbreviate the bytes somewhat

Question 5

IP Address:

Answer 5

a # that acts as a device’s temporary address so that the internet traffic can be routed to the device

Question 6

IPv4:

Answer 6

each address is 32 bits long; 4.3 billion is not enough addresses anymore

Question 7

IPv6:

Answer 7

each address is 128 bits – should be enough

Question 8

Pixel density:

Answer 8

of pixels packed into a square chunk of screen 1 in x 1 in

Question 9

Computers should know:

Answer 9

• where pixel is

- what color it is