1.1 Converting between number systems - Part 1

What are the two states used to store and represent information in a computer system?

• On and Off

• True and False

• Zeros and Ones

• High and Low

What is the base of the denary number system?

• Base 2

• Base 8

• Base 10

• Base 16

In the binary number system, how does the value of each column relate to the column immediately to its right?

• It is half the value

• It is double the value

• It is ten times the value

• It is unrelated

Which of the following is NOT presented as a main method for converting a denary number to a binary number?

• Divide-by-two method

• Binary number line method

• Subtraction method

• Using modulus (remainder of division by two)

What is the 8-bit binary representation of the denary number 89 using the divide-by-two method?

• 01011001

• 10110010

• 01100101

• 11001010

When converting the denary number 89 to binary using the binary number line method, what is the resulting 8-bit binary sequence?

• 01011001

• 10110010

• 01100101

• 11001010

What is the denary equivalent of the binary number 01100110?

• 98

• 102

• 106

• 110

What is the largest positive whole number that can be represented using 16 bits in binary?

• 255

• 1024

• 32767

• 65535