Binary Number Systems

Binary

100

What are the two possible values in binary number system?

0 & 1

200

What is anything to the power of 0?

1

300

What is 35A in binary?

0011 0101 1010

400

What is 69 in binary?

1000101₂

500

What is 269 in binary?

100001101₂

Denary

100

How many digits are there in denary number?

10

200

In what base is denary number?

Base 10

300

What is 0100101₂ in denary?

37

400

What is 12F₁₆ in denary?

303

500

What is 111011011₂ in denary?

475

Hexadecimal

100

How many digits are there in Hexadecimal?

16

200

Convert hexadecimal F₁₆ to denary.

15

300

Convert the following to hexadecimal 1011 0011 0101

B35₁₆

400

Convert 219 to hexadecimal.

DB₁₆

500

Why are hexadecimals used in computer programming? 

It's easier to read and detect errors.

Signed Integers

100

What does LSB stand for?

Least Significant Bit

200

The MSB is also called the _______.

Sign Bit

300

Given 11011101₂ in Two's complement. What is the place value of the left most bit?

-128

400

What is -34 in two's complement?

11011110₂

500

What is the two's complement binary 11001100₂ in denary?

-52

Addition & Subtraction

100

What is 1+ 0 in binary?

1

200

What is 1₂ + 1₂ in binary?

10₂

300

What is 11101₂ - 11₂ in binary?

11010₂

400

What is 111011₂ + 111₂ in binary?

1000010₂

500

What is 45 - 66 in binary?

11101011₂