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Fall 2014, ASSIGNMENT
PROGRAM-BSC IT
SEMESTER-I
SUBJECT CODE & NAME-BT0064, LOGIC DESIGN
CREDIT-4
BK ID-B0948
MAXIMUM MARKS-60
Q1. Solve each of the following 4-bit subtraction problems using 2's complement representation.
i. (00110)2 – (00101)2
ii. (01100)2 – (01010)2
iii. (1011)2 - (1001)2
iv. (0111)2 - (0001)2
v. (0010)2 – (1000)2
Answer.
Now let's consider how we would solve our problem of subtracting using 2's complement.
Q2. Draw the symbol for XNOR & X-OR and explain the truth table? 5+5
Answer.
X-NOR Gate
The XNOR gate is a digital logic gate whose function is the inverse of the exclusive OR (XOR) gate. The two-input version implements
Q3. What are adders? Explain half adders and full adders with circuit diagrams. 2+4+4
Answer.
Adders
For single bit adders, there are two general types. A half adder has two inputs, generally labelled A and B, and two outputs, the sum S and carry C. S is the two-bit XOR of A and B, and C is the AND of A and B. Essentially the output of a half adder is the sum of two one-bit numbers, with C being the most significant of these two outputs. A
Q4 What is ring counter? Explain it working with the help of diagram. 2+2+6
Answer.
Ring counter
A ring counter is defined as a loop of bistable devices (flip-flops) interconnected in such a manner that only one of the devices may be in a specified state at one time. If the specified condition is HIGH, then only one device may be HIGH at one time. As the clock, or input, signal is received, the specified state will shift to the next device at a rate of
Q5. Explain any five types of digital to analog convertors.
Answer.
A good digital-to-analog converter (or DAC) can make all the difference when listening to music, especially through headphones. We've talked about why they're so great, and how to choose a good one before, but this week we're looking at five of the best, based on your nominations.
ODAC
Q6. What are shift registers? Explain serial in serial out shift register. 4+6
Answer.
Shift registers
Shift Register is a group of flip flops set up in a linear fashion which have their inputs and outputs connected together in such a way that the data is shifted down the line when the circuit is activated. Shift registers can have co parallel inputs and outputs, including serial-in, parallel-out (SIPO) and parallel-in, serial-out (PISO) types. There are also types
Get fully solved assignment, plz drop a mail with your sub code
computeroperator4@gmail.com
Charges for mba rs 125/subject and rs 700/semester only.
For other rs 125/subject only
if urgent then call us on 08791490301, 08273413412
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