(b) Complete the following truth tables for counting from 0-15 in binary: No Q3 Q2 Q₁ Q No Q3 Q2 Q₁ Q 0 8 1 9 2 10 3 11 4 12 5 13 6 14 7 15 2/21 (a) Introduction ' A 4-bit asynchronous up counter can be implemented using JK flip-flops that counts upward in binary from 0000 to 1111 and then resets to 0000. Each bit in the counter represents a binary digit (0 or 1), and the counter increments by 1 with each clock pulse. JK flip-flops are used to store the values of each bit in the counter, and they work a counter in the toggle state when J and K inputs are connected to X (1). Complete the shown truth table for negative edge (1) JK flip flop. VCC 14 12 J Q CLK 10CLK K Q CLK JKQ+1 Q+1 00 01 10 11 The circuit below yields the following output waveforms, when "clocked" by a repetitive source of pulses from an oscillator (function generator): Clock- Q10 101010101010 00 1 1 0 0 1 0 01 1 0 0 1 Q2 000 0 1 1 1 1 00 0 0 1 1 1 1 00 0 0 0 0 00 1 1 1

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Question
(b) Complete the following truth tables for counting from 0-15 in binary:
No
Q3 Q2
Q₁ Q
No
Q3 Q2
Q₁ Q
0
8
1
9
2
10
3
11
4
12
5
13
6
14
7
15
2/21
Transcribed Image Text:(b) Complete the following truth tables for counting from 0-15 in binary: No Q3 Q2 Q₁ Q No Q3 Q2 Q₁ Q 0 8 1 9 2 10 3 11 4 12 5 13 6 14 7 15 2/21
(a) Introduction
'
A 4-bit asynchronous up counter can be implemented using JK flip-flops that counts upward
in binary from 0000 to 1111 and then resets to 0000. Each bit in the counter represents a
binary digit (0 or 1), and the counter increments by 1 with each clock pulse. JK flip-flops
are used to store the values of each bit in the counter, and they work a counter in the toggle
state when J and K inputs are connected to X (1).
Complete the shown truth table for negative edge (1) JK flip flop.
VCC
14
12
J
Q
CLK
10CLK
K
Q
CLK JKQ+1 Q+1
00
01
10
11
The circuit below yields the following output waveforms, when "clocked" by a repetitive
source of pulses from an oscillator (function generator):
Clock-
Q10
101010101010
00 1 1
0
0
1
0 01 1 0
0 1
Q2
000 0 1
1
1 1
00 0 0
1
1
1
1
00 0 0
0
0
00 1 1
1
Transcribed Image Text:(a) Introduction ' A 4-bit asynchronous up counter can be implemented using JK flip-flops that counts upward in binary from 0000 to 1111 and then resets to 0000. Each bit in the counter represents a binary digit (0 or 1), and the counter increments by 1 with each clock pulse. JK flip-flops are used to store the values of each bit in the counter, and they work a counter in the toggle state when J and K inputs are connected to X (1). Complete the shown truth table for negative edge (1) JK flip flop. VCC 14 12 J Q CLK 10CLK K Q CLK JKQ+1 Q+1 00 01 10 11 The circuit below yields the following output waveforms, when "clocked" by a repetitive source of pulses from an oscillator (function generator): Clock- Q10 101010101010 00 1 1 0 0 1 0 01 1 0 0 1 Q2 000 0 1 1 1 1 00 0 0 1 1 1 1 00 0 0 0 0 00 1 1 1
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