PLC Chapter3 HW3

The decimal number 7 would be written in binary as 1011.

• True

• False

For a base 2 number system, the weight value associated with the 3rd digit would be 4. (True/False)

• True

• False

A group of 8 bits is known as a byte.

• True

• False

Since the binary system has only two digits, it is limited as far as representing very large quantities.

• True

• False

In the binary system + and – symbols are used to indicate whether a number is positive or negative.

• True

• False

Fill in the blanks: A parity bit is used to check the--------------of data transmission.

• speed

• type

• accuracy

• time

The decimal number 15 would be written in binary as: a. 1111 b. 1000 c. 4C d. 00011001.

• 1111

• 1000

• 4C

• 00011001

What is the decimal equivalent for the BCD number 1000 0100 0010 0001?

• 8421

• 7863

• 1234

• 3728

What is the sum of binary numbers 1100 and 1011?

• 10110

• 11100

• 10111

• 00111

What is the decimal value of binary 110000?

• 48

• 26

• 13

• 7