Unit 1 - Diff num bases, Binary and Bit patterns and Arithmetic

Question 1

What is Binary?

Answer 1

The numbers in the Base 2 system, represents numbers with 2 values , zeroes and ones.

Question 2

What is a Bit?

Answer 2

The short form of a binary digit . it is the smallest unit of information in a computer.

Question 3

What is a Byte?

Answer 3

Standard form of information in a computer. A collection of 8 adjacent bits. Can be represented as 2**8 = 256 distinct values.

Question 4

What is a Nibble?

Answer 4

A collection of 4 adjacent bits or half a byte.

Question 5

What is an unsigned integer?

Answer 5

An integer with a value what is 0 or more. An integer with no sign before it .

Question 6

What is a signed integer?

Answer 6

Can be either negative or positive depending on its sign . Typically half are non negative and the other negative .

Question 7

What is an over flow error?

Answer 7

Typically when the result of the calculation exceeds the available amount of bits what is allocated to the result of the calculation .

Question 8

What is a logical shift ?

Answer 8

used on unsigned binary integers and is a binary shift where the cleared positions are filled with 0s.

Question 9

What is the most significant bit ?

Answer 9

The leftmost bit of a binary number what has the largest place value.

Question 10

The least significant bit?

Answer 10

The right most bit of a binary number what has the least largest place value .

Question 11

What is Integer Division?

Answer 11

When applying a logical shift right you might encounter a decimal place so intiger division keeps the integer part of the result and discards the remainder/decimal..