This process is known as cascading. Notice that, in this case, the output carry isdesignated Cg because it is generated from the eighth bit position. The low-order adder isthe one that adds the lower or less significant four bits in the numbers, and the high-orderadder is the one that adds the higher or more significant four bits in the 8-bit numbers.Similarly, four 4-bit adders can be cascaded to handle two 16-bit numbers.Bg B, B3 B3 Ag A, Ag AsB, B, B, B A A3 A, ACo4 3 2 1 4 3 2 1 G4 3 24 3 2 1 CnBACqut4 3 2Cat4 3 2 1E E, Eg EsΣ, Σ Σ. ΣCascading of two 4-bit adders to form an 8-bit adder.DISCUSSIONQ.1Show that the output carry in a full adder circuit can be expressed as.Q.2What do you understand by Parallel Adder ?Q.3What is the. No. IC for parallel Adder ?Q.4How many bits can be added by 7483Q.5 The inputs to a full adder are A 1, B 0, Cin = 1. The outputs are( a) Σ-0, Cou1 (b) Σ = 1, Cou-0(C)Σ-0, Cou-0 (d) Σ-1, Cout 1Q.6 What A 3-bit parallel adder can add?Q.7 The following sequences of bits (right-most bit first) appear on the inputs to a 4-bitparallel adder. Determine the resulting sequence of bits on each sum output.Al 1010A2 1100A3 0101A4 1101solve Q5 and 6B1 1001B2 1011B3 0000B4 0001

Answered: Image /qna-images/answer/b0cdeabf-a146-4943-a26e-1e4462a16a5e.jpg

Answered: Q.5 The inputs to a full adder are A =…

Q.5 The inputs to a full adder are A = 1, B = 0, Cin = 1. The outputs are ( a) Σ-0, Cout1 ( ) Σ = 1, Cou0 ( C) Σ-0, Cout 0 (d) Σ- 1, Cou 1 Q.6 What A 3-bit parallel adder can add? %3D

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Antenna Characteristics

The antenna is an important concept in the domain of electronics and communication engineering. An antenna forms an integral part of many commonly used devices such as wireless modems, routers, game controllers, mobile phones, bluetooth devices, and so on. In simple terms, any wireless communication makes use of antennas to serve the purpose. An antenna, also known by the term 'arial', is an electrical device that converts electrical signals into electromagnetic waves or electromagnetic waves into electrical signals. An antenna contains a transmission line usually made up of co-axial cable, it then receives the signals and converts them into electromagnetic waves, which are then transmitted via space into their required destination. A communication system essentially makes use of two antennas, a transmission antenna, which converts electrical signals into electromagnetic waves, and a receiving antenna, which receives the electromagnetic waves and converts them back into electrical signals.

Question

This process is known as cascading. Notice that, in this case, the output carry is
designated Cg because it is generated from the eighth bit position. The low-order adder is
the one that adds the lower or less significant four bits in the numbers, and the high-order
adder is the one that adds the higher or more significant four bits in the 8-bit numbers.
Similarly, four 4-bit adders can be cascaded to handle two 16-bit numbers.
Bg B, B3 B3 Ag A, Ag As
B, B, B, B A A3 A, A
Co
4 3 2 1 4 3 2 1 G
4 3 2
4 3 2 1 Cn
B
A
Cqut
4 3 2
Cat
4 3 2 1
E E, Eg Es
Σ, Σ Σ. Σ
Cascading of two 4-bit adders to form an 8-bit adder.
DISCUSSION
Q.1Show that the output carry in a full adder circuit can be expressed as.
Q.2What do you understand by Parallel Adder ?
Q.3What is the. No. IC for parallel Adder ?
Q.4How many bits can be added by 7483
Q.5 The inputs to a full adder are A 1, B 0, Cin = 1. The outputs are
( a) Σ-0, Cou1 (b) Σ = 1, Cou-0
(C)Σ-0, Cou-0 (d) Σ-1, Cout 1
Q.6 What A 3-bit parallel adder can add?
Q.7 The following sequences of bits (right-most bit first) appear on the inputs to a 4-bit
parallel adder. Determine the resulting sequence of bits on each sum output.
Al 1010
A2 1100
A3 0101
A4 1101
solve Q5 and 6
B1 1001
B2 1011
B3 0000
B4 0001

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