Computer Organization & Assembly Language Quiz

What is the most common numbering system used in computers?

• Octal

• Binary

• Ternary

• Decimal

In a positional number system, what determines the value of each digit?

• The digit itself

• All of the above

• The base of the number system

• The position of the digit

What is the hexadecimal equivalent of the decimal number 34?

• 1Ah

• 1Bh

• 22h

• 23h

How do you convert a binary number to decimal?

• Multiply each digit by its corresponding power of 2

• Subtract from 16

• Add the digits together

• Use the base 10 system

What is the result of adding the binary numbers 11001 and 10011?

• 101100

• 111000

• 101010

• 110000

What does the most significant bit (msb) represent in a binary number?

• The sign of the number

• The greatest value

• The least value

• The middle value

What is the two's complement of the binary number 00001010?

• 11111010

• 11111011

• 11111100

• 00001011

Which of the following is true about unsigned integers?

• They are always zero

• They can represent both positive and negative values

• They represent a magnitude only

• They can be negative

What is the ASCII code for the character 'A'?

• 30h

• 41h

• 20h

• 61h

How do you convert a hexadecimal number to binary?

• Convert each digit to its binary equivalent

• Use ASCII encoding

• Add the digits together

• Multiply by 16