N5S3 - Data Rep - Binary

Question 1

What is Machine Code?

Answer 1

The language that computers use to understand and process information using binary

Question 2

Describe the denary system

Answer 2

base 10 system, uses numbers 0-9

Question 3

Describe the binary system

Answer 3

base 2 system, uses the symbols 0 and 1

Question 4

What is an Overflow error?

Answer 4

When the result of a binary calculation is too long for a computer to process.

If the answer to a calculation is 9 bits but a byte an only fit 8 bits

Question 5

What is a bit?

Answer 5

the smallest unit of data that a computer can process and store.

short for binary digit

Question 6

What is a nibble?

Answer 6

half an 8-bit byte
(4 bits)

Question 7

What is a byte?

Answer 7

Consists of 8 adjacent binary digits, each of which consists a 0 or 1

Question 8

What does the formula 2ⁿ work out?

Answer 8

No of bit patterns

Question 9

What does the formula 2ⁿ - 1 work out?

Answer 9

Highest no of binary codes

Question 10

What is the highest and lowest binary code that is avaliable?

Answer 10

0 - Lowest
255 - Highest
(256 different binary codes)