# Q1: A magnitude comparator determines:

A
A B and if A B or A >> B
B
A B and if A > B or A < b
C
A = B and if A > B or A < b
D
A B and if A < b or a > B

# Q2: Most demultiplexers facilitate which of the following?

B single input, multiple outputs
C ac to dc
D odd parity to even parity

# Q3: A multiplexed display:

A accepts data inputs from one line and passes this data to multiple output lines
B uses one display to present two or more pieces of information
C accepts data inputs from multiple lines and passes this data to multiple output lines
D accepts data inputs from several lines and multiplexes this input data to four BCD lines

# Q4: A basic multiplexer principle can be demonstrated through the use of a:

A single-pole relay
B DPDT switch
C rotary switch
D linear stepper

# Q5: When two or more inputs are active simultaneously, the process is called:

A first-in, first-out processing
B priority encoding
C ripple blanking
D priority decoding

A BCD matrix
B display driver
C encoder
D decoder

# Q7: In a BCD-to-seven-segment converter, why must a code converter be utilized?

A No conversion is necessary.
B to convert the 4-bit BCD into gray code
C to convert the 4-bit BCD into 10-bit code
D to convert the 4-bit BCD into 7-bit code

# Q8: Select one of the following statements that best describes the parity method of error detection:

A Parity checking is best suited for detecting single-bit errors in transmitted codes.
B Parity checking is best suited for detecting double-bit errors that occur during the transmission of codes from one location to another.
C Parity checking is not suitable for detecting single-bit errors in transmitted codes.
D Parity checking is capable of detecting and correcting errors in transmitted codes.

A encoder
B display
C counter
D decoder

# Q10: One application of a digital multiplexer is to facilitate:

A code conversion
B parity checking
C parallel-to-serial data conversion
D data generation

# Q11: Which type of decoder will select one of sixteen outputs, depending on the 4-bit binary input value?

B dual octal outputs