End-Term Exam Quiz

Why does a USB connection use serial type of data transmission?

• Because serial has less chance of corrupting data with errors and electrical interference

• Because serial is faster than parallel.

• Because serial is more expensive.

• Because serial is a very accurate data transmission error method.

Select all the options that apply to parallel data transmission

• Fast

• Expensive

• Cheap

• More chance of errors

• Less chance of errors

Why do some hardware such as Integrated circuits (IC) use parallel data transmission type?

• Parallel is more expensive so it's more ideal because it is more accurate.

• Parallel is ideal for hardware that require good speed to communicate with each other and send data signals faster.

• Parallel is cheaper which makes it suitable for hardware components.

• Parallel is better for long distance.

State which type of parity bit the register below is using.

1 0 1 1 1 0 1 0

• Odd

• Even

The received bytes in the table below were transmitted using odd parity.

Select ONLY the ones that have been corrupted.

a. 1 0 1 1 0 1 1 1

b. 0 1 1 0 1 1 0 1

c. 0 0 0 1 1 0 0 0

d. 0 1 1 1 1 0 1 1

• a

• b

• c

• d

Which is the second smallest data size from the choices below?

• Bit

• Megabyte

• Kilobyte

• Byte

5 GB is larger than 6000 MB

• True

• False

4 MiB is larger than 4200 KiB

• True

• False

Convert the denary number 254 to binary

• 11111111

• 00000001

• 11111110

• 111100111

Type the 12-bit binary representation of the denary number 1.