Number Systems

When counting in​ (a)   , you start at zero and go through each digit all the way to nine.

• decimal
• hex
• binary
• octal

When counting in​ (a)   , you start at zero and go to one.

• decimal
• hex
• binary
• octal

The decimal number 10 is equal to the binary number...

• 
• 
• 
• 

For computers, data exists as _________, such as electric charge.

• physical signals

• mental signals

• immaterial signals

• irrelevant signals

Electric charges can only be positive or negative. The computer understands ​positive charges as ​ (a)   and negative charges as ​ (b)   .

• ones
• zeros
• twos
• threes

What is hex short for?

• Hexagamma

• Hexadecimal

• Hexabinary

• Hexanumerical

What hex number comes right before the hex number 100?

• FF

• 99

• 101

• 7F

People use hexadecimal because of how well hex numbers translate to __________.

• English words

• decimal numbers

• binary numbers

• physical signals

Reorder the following steps when converting a binary number to a hex number.

• Find the hex value for each chunk

• Break up binary number into chunks of 4 digits

• Put the different hex values together to make one hex number

​ (a)   represents ​ (b)   inside the computer.

​ (c)   is an easy way for humans to represent​ (d)   .

• Binary
• physical signals
• Hex
• binary numbers