Digital Circuits Shift Register Counters Online Exam Quiz

Digital Circuits Shift Register Counters GK Quiz. Question and Answers related to Digital Circuits Shift Register Counters. MCQ (Multiple Choice Questions with answers about Digital Circuits Shift Register Counters

In a 4-bit Johnson counter sequence, there are a total of how many states or bit patterns?

Options

A : 1

B : 3

C : 4

D : 8

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The group of bits 10110111 is serially shifted (right-most bit first) into an 8-bit parallel output shift register with an initial state 11110000. After two clock pulses, the register contains ______________

Options

A : 10111000

B : 10110111

C : 11110000

D : 11111100

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If a 10-bit ring counter has an initial state 1101000000, what is the state after the second clock pulse?

Options

A : 1101000000

B : 0011010000

C : 1100000000

D : 0000000000

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In a parallel in/parallel out shift register, D0 = 1, D1 = 1, D2 = 1, and D3 = 0. After three clock pulses, the data outputs are ________

Options

A : 1110

B : 0001

C : 1100

D : 1000

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A bidirectional 4-bit shift register is storing the nibble 1110. Its input is LOW. The nibble 0111 is waiting to be entered on the serial data-input line. After two clock pulses, the shift register is storing ________

Options

A : 1110

B : 0111

C : 1000

D : 1001

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How much storage capacity does each stage in a shift register represent?

Options

A : One bit

B : Two bits

C : Four bits

D : Eight bits

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What type of register would have a complete binary number shifted in one bit at a time and have all the stored bits shifted out one at a time?

Options

A : Parallel-in Parallel-out

B : Parallel-in Serial-out

C : Serial-in Serial-out

D : Serial-in Parallel-out

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By adding recirculating lines to a 4-bit parallel-in serial-out shift register, it becomes a ________ ________ and ________ out register.

Options

A : Parallel-in, serial, parallel

B : Serial-in, parallel, serial

C : Series-parallel-in, series, parallel

D : Bidirectional in, parallel, series

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What is a recirculating register?

Options

A : Serial out connected to serial in

B : All Q outputs connected together

C : A register that can be used over again

D : Parallel out connected to Parallel in

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When is it important to use a three-state buffer?

Options

A : When two or more outputs are connected to the same input

B : When all outputs are normally HIGH

C : When all outputs are normally LOW

D : When two or more outputs are connected to two or more inputs

View Answer

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