Binary Recap Year 7

Binary Recap Year 7

Multiple Choice

Question 1 - What number system do computers use?

• ASCII

• Denary

• Binary

• Decimal

Multiple Choice

Question 2 - How many bits make a byte?

• 1

• 8

• 128

• 256

Multiple Choice

Question 3 - How many different characters can 1 byte represent?

• 128

• 255

• 256

• 257

Multiple Choice

Question 4 - The binary 0001 0101 converted to denary is?

• 8

• 16

• 20

• 21

Multiple Choice

Question 5 - The denary number 86, converted to 8-bit binary is?

• 101 0110

• 0101 0110

• 1010 1101

• 1101 0110

Multiple Choice

Question 6 - What is 0011 0010 multiplied by 2?

• 0110 0100

• 0011 0011

• 0001 1001

• 1100 1101

Multiple Choice

Question 7 - What is 0100 1010 divided by 2?

• 0010 1010

• 1001 0100

• 0010 0101

• 1100 1100

Multiple Choice

Question 8 - What is ASCII?

• The conversion from binary to text.

• A code for representing characters in binary

• An operating system.

• The process of converting binary to denary

Multiple Choice

Question 9 - What type of information can ASCII represent?

• Can store numbers only.

• Can convert text only.

• Special characters only

• Any button press on a computer. Numbers, letters, space bar, signs etc.

Multiple Choice

Question 10 - A lower-case letter in ASCII is 32 higher than its capital. If A is 0100 0001 what is a?

• 0010 0001

• 0100 1001

• 1100 0001

• 0110 0001