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3 years ago

Which type of communication protocol converts data into standard formats that can be used by applications?

1 answer:

8 0

<span>Arrival protocols are the type of data protocols that convert data into standard formats that can be used by applications, such as email, Web browsers and Skype</span>

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Write a C++ Programm in which inheritance is used

geniusboy [140]

Answer:

// C++ program to demonstrate inheritance

#include <iostream>

using namespace std;

// base class

class Animal {

public:

void eat() {

cout << "I can eat!" << endl;

}

void sleep() {

cout << "I can sleep!" << endl;

}

};

// derived class

class Dog : public Animal {

public:

void bark() {

cout << "I can bark! Woof woof!!" << endl;

}

};

int main() {

// Create object of the Dog class

Dog dog1;

// Calling members of the base class

dog1.eat();

dog1.sleep();

// Calling member of the derived class

dog1.bark();

return 0;

}

8 0

3 years ago

What output is produced by

Natasha_Volkova [10]

Answer:

The answer to this question is given below in the explanation section. the correct option is C.

Explanation:

This is Java code statement:

System.out.print("Computing\nisInfun");

The output of this code statement is

Computing

isInfun

However, it is noted that the C option is not written correctly, but it is guessed that it will match to option C.

This Java code statement first prints "Computing" and then on the next line it will print "isInfun" because after the word "Computing" there is a line terminator i.e. \n. when \n will appear, the compiler prints the remaining text in the statement on the next line.

4 0

3 years ago

Consider the following protocol for concurrency control. The database system assigns each transaction a unique and strictly incr

nasty-shy [4]

Answer:

(a) yes, this protocol allows only serializable schedules for transactions as due to this the system maintains it's consistency. As in this protocol a unique transaction id is being assigned and with the help of that transaction id the system would be able to identify the process which has taken place in what particular order. For example, in case of bank transfers

balance = 1000 transaction id 100

write ADD 200 transaction id 101

write SUB 1100 transaction id 102

write ADD 900 transaction id 103

in here with the help of transaction id we can check which operation has happened in which order, if not then some operation will not happen like 102 immediately after 100 and skipping 101

(b) the modified version of this protocol would be to also consider the time of transaction and take this factor in the consideration

4 0

3 years ago

Numdu

gizmo_the_mogwai [7]

The question is unclear /unfinished please send again.

4 0

3 years ago

How many possible password of length four to eight symbols can be formed using English alphabets both upper and lower case (A-Z

Fynjy0 [20]

Answer:

In a password, symbol/characters can be repeated. first calculate the total

symbols which can be used in a password.

So there are total 26(A-Z),26(a-z),10(0-9) and 2(_,$) symbols.

that is equal to 26+26+10+2=64.

Total number of password of length 4:

here at each place can filled in total number of symbols i.e 64 way for each

place.Then total number of possible password is:

64*64*64*64=16777216

Total number of password of length 5:

here at each place can filled in total number of symbols i.e 64 way for each

place.Then total number of possible password is:

64*64*64*64*64=1073741824

Similarly,

Total number of password of length 6:

64*64*64*64*64*64=68719476736

Total number of password of length 7:

64*64*64*64*64*64*64=4398046511104

Total number of password of length 8:

64*64*64*64*64*64*64=281474976710656

Hence the total number of password possible is:285,942,833,217,536

7 0

3 years ago