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WorksheetsDLD-Quiz-Module4
Total questions: 10
Worksheet time: 5mins
What is the value of the register formed from D flipflops using Q0 , Q1 and Q2 as output Q0Q1Q2 after 14 cycles. Initial output is 000
110
000
001
011
A three bit pseudo random number generator is shown. Initially the value of output Y= Y2Y1Y0 is set to 111. The value of output Y after three clock cycles is
000
001
010
100
A bidirectional 4-bit shift left register is storing the nibble 1110. The nibble 0111 is waiting to be entered on the serial data-input line. After two clock pulses, the shift register is storing
1001
0111
1000
1011
Modulus refers to ____________
A method used to fabricate decade counter units
The modulus of elasticity, or the ability of a circuit to be stretched from one mode to another
n input on a counter that is used to set the counter state, such as UP/DOWN
The maximum number of states in a counter sequence
The minimum number of flip-flops that can be used to construct a modulus-5 counter is ____________
3
8
5
10
A 5-bit asynchronous binary counter is made up of five flip-flops, each with a 12 ns propagation delay. The total propagation delay (tp(tot)) is ________
12 ms
60 ms
48 ns
60 ns
he group of bits 11001 is serially shifted (right-most bit first) into a 5-bit parallel output shift register with an initial state 01110. After three clock pulses, the register contains ________
01110
00001
00101
00110
On the fifth clock pulse, a 4-bit Johnson sequence is Q0 = 0, Q1 = 1, Q2 = 1, and Q3 = 1. On the sixth clock pulse, the sequence is ________.
Q0 = 1, Q1 = 0, Q2 = 0, Q3 = 0
Q0 = 1, Q1 = 1, Q2 = 1, Q3 = 0
Q0 = 0, Q1 = 0, Q2 = 1, Q3 = 1
Q0 = 0, Q1 = 0, Q2 = 0, Q3 = 1
A MOD-16 ripple counter is holding the count 1001. What will the count be after 31 clock pulses?
1000
1010
1011
1101
A state diagram is a table of states.
True
False
