Binary

Signed Integers Represent Which Type of Binary Values

• Any Positive Value between 0-255

• Any Negative Value between -128 and 0

• Any Value between Negative (-128) and Positive +127

• A Signed Integer Means that the Binary value is always 0

What is the range of an unsigned 8-Bit Binary intergers?

• 0-255 (256 Values altogether)

• 0-128

• Between -128 and 0

• Between 0 and 128

What are the disadvantages of using Sign and Magnitude to represent Negative Binary Numbers? (Select Two)

• It doesn't represent negative numbers accurately

• It takes up an entire digit to represent whether the number is -negative or + positive

• There is a possibility of having two 0's

• It takes longer for the computer to identify a negative number in two's complement

Which of the following are valid variable names in Python?

• 8HouseNumber

• houseNumber = 288

• house Number = 288

• house_number = 288

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

If a binary number ends with a 1, it must be...

• An odd number
• An even number
• A prime number
• The number 12

Tags

CCSS.2.OA.C.3

What is the denary number system?

• It counts the number of dens
• Our usual base 10 number system
• A special number system for computers
• Den Ary's number system

What is the point of binary?

• It represents how computers interpret electrical signals

• It allows us to create files and folders in Windows

• It is used to create a user-interface

• Because it describes a star network topology

Computers can only understand 0s and 1s.

• True
• False

A bit is 

• a numerical label assigned to each device.
• the smallest unit of data in a computer.
• a keyboarding term for typing.
• is a numeral system made up of 16 symbols.