Virtual Labs

a: Is transmitted with the data bits b: Is a zero if the data has an even number of one bits c: Is adjusted to make an even number of bits d: All of the above

In odd parity system, which of the following will generate high parity bit

a: 1100010 b: 1001001 c: 1000000 d: 1010101

Which of the following is referred to as an equality gate?

a: OR b: XOR c: XNOR d: AND

What is a parity bit?

a: An error detection is achieved by adding an extra bit b: Bit generated during data transmission c: After addition, the carry is found d: None of the above

The BCD number 1101011 has _______ parity?

a: Odd b: Both even and odd c: Even d: None of the above

Parity generation and checking is used to detect

a: When a binary counter counts incorrectly b: Errors in arithmetic in computers c: Errors in binary data transmission d: Which of two no. is greater

An exclusive OR gate will invert a signal on one input if the other output is

a: Always high b: Connected to same signal c: Grounded d: Inverted

Parity bit coding may not be used for

a: Error in more than single bit b: Which bit is in error c: Both A and B d: None of the above

Select the statement that best describes the parity method of error detection:

a: Parity checking is best suited for detecting double bit error that occur during the transmission of codes from one location to another. b: Parity checking is not suitable for detecting single-bit errors in transmitted codes. c: Parity checking is best suited for detecting single-bit errors in transmitted codes. d: Parity checking is capable of detecting and correcting errors in transmitted codes.

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