Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Question 1 (20 marks) (a) By assuming 8-bit word length, express the decimal number -38 in ) Signed-magnitude One's complement Two's complement. [2 marks) 2

image text in transcribed

Question 1 (20 marks) (a) By assuming 8-bit word length, express the decimal number -38 in ) Signed-magnitude One's complement Two's complement. [2 marks) 2 marks] 2 marks] (b) Subtract 1421o from 4610 Using 16-bit 2's complement form addition and state the [5 marks] answer in hexadecinal. (c) Discuss the drawback of 1's complement representation compared to 2's 4 marksl (d) Explain why NOR gate is an universal gate for for AND, OR and NOT gates. [5 marks] Question 2 (20 marks) Fig. 1 shows a half-adder with thetuth-table given as below Fig. 1 (a) List the input and output bits of this half-edder (b) Briefly explain the operation of a half-adder (c) Write the Boolean equations for the Sum Bit and the Carry Output bit. 4 marks) (d) Construct a half-adder using combination of AND and XOR gates. (e Modify the circuit in (d) into a full adder circuit [4 marks [3 marks] 4 marks] 5 marks]

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Big Data Fundamentals Concepts, Drivers & Techniques

Authors: Thomas Erl, Wajid Khattak, Paul Buhler

1st Edition

0134291204, 9780134291208

More Books

Students also viewed these Databases questions

Question

107 MA ammeter 56 resistor ? V voltmeter

Answered: 1 week ago

Question

Generally If Drug A is an inducer of Drug B , Drug B levels will

Answered: 1 week ago