Homework 2 Solution
The binary sequence 01000001 represents a symbol in ASCII.
Find the symbol.
Symbol = A
The twos compliment binary numbers below are modulo 4 (they are four bits
long). Express each number in decimal form, do the ind
Homework 5 Solution
If the input to an logic system is x2x1x0 = 101 the input is said to be in state five of the input set.
If the system output F(x2x1x0)=1 for x2x1x0 = 101 the output set is said to contain state 5. This
leads to the
QUIZ 8 Solution
The machine of Fig. 1 has n input X. The next
state diagram of Fig.1 is to be implemented
using two T type flip flops. The state
The logic ou
QUIZ 5 Solution
Determine the inputs to the
multiplexer of Fig.1 so that the
output F1(WXYZ) has the
Karnaugh map of the figure where
x indicates a dont-care state.
A1 = 0 A2 = 1
Using the BCD code, convert the decimal number 6D to a binary number
6D = 110
Convert the decimal number 23D to a six bit binary number
23-16 = 7
Change the digital number 20D to a hexidecimal number
QUIZ 4 Solution
Convert F(ABC) = (A+B)(A+C) to a sum of products by distributing the sum over the times.
F = AC + AB + BC
Convert F(ABC) = AC + AB to a product of sums by distributing times over the sum.
F = (A+B)(A+C)(B+C)
Given F(ABC) =
Homework 11 Solution
Determine the JK equations for a synchronous counter using 3 JK flip flops that cycles from zero
to five in a standard binary sequence.
Q1Q0 00 01 11 10
0 0 1
0 1 0
Complete the truth table below for the function F(ABC) = ABC+ ABC+ ABC +ABC
Write the compliment of F(ABC) = ABC+ ABC+ ABC +ABC as a standard sum of
F(ABC) = ABC + ABC
Each line below is a letter in ASCII code. Decode the letters.
Ans = K
In a Grey code each successive word differs from its neighbors by one bit. An example appears
Homework 3 Solution
Express F(ABC) = BC+AB as a sum of minterms.
F = ABC + ABC + ABC + ABC
Express F(ABC) = (B+C)(A+B) as a product of maxterms.
F = (A+B+C)(A+B+C)(A+B+C)(A+B+C)
Convert F(ABC) = (A+B)(A+C) to a s
Homework 9 Solution
An autonomous machine using D type flip-flops is to cycle
through the three states.
Q1Q0 = 00, 01,11
as shown in Fig.1. Write the logical expressions for D1 and D0.
Using the flip-flop outputs and combinationa