The ___ of a signal is the range of frequencies that it contains.

a) spectrum b) effective bandwidth c) wavelenghth d) absolute bandwidth

Answer:

#include<iostream>

using namespace std;

//main function

int main(){

   //initialize the variables

   int side;

   //print the message

   cout<<"Please enter the side of square: ";

   cin>>side;  //read the vale and store in the variable.

   // for loop

   for(int i=1;i<=side;i++){  //lop for rows

       for(int j=1;j<=side;j++){   //loop for column

           cout<<"$";  //print the '*'

       }

       cout<<endl;

   }

}

Explanation:

Create the main function and declare the variable side.

print the message on the screen for the user and then store value enter by the user on the variable side.

take the nested for loop for print the pattern.

nested for loop means, loop inside another loop it is used for print the pattern having rows and columns.

the first loop updates the row number and the second the loop print the character '$' in the column-wise.

in the code,

if i = 1, for loop check the condition 1 <= 5 if the value of side is assume 5.

condition is true and the program moves to the second for loop and starts to print the character '$' five times after that, print the new line.

then, the above process repeat for different rows and finally, we get the pattern in square shape.

Answer:

list1.size()

Explanation:

In order to find the number of elements in a List , we can use the size() method defined in the java.util.List interface.

This method returns an integer which corresponds to the number of elements in the list.

The usage syntax example is as follows:

int num = list1.size();

If the list referenced by list1 contains 6 elements, then this method will return the value 6.

Answer:

Serial communication are connected using 2 types of connector

Explanation:

The two types of connector for serial communication are:

1. Nine pin connector.

2. Twenty five pin connector.

for 9 pin connector we have:

pin 1 = data carrier detect

pin 2= received data

pin 3= transmitted data

pin 4= data terminal ready

pin 5= signal ground

pin 6= data set ready

pin 7= request to send

pin 8= clear to send

pin 9= ring indicator

Here, the minimum number of pins can be pin 2,3 and 5 which are receive, transmit and ground signal to establish a communication without handshaking.

The minimum number of pins actually depend on the type of software we use.

The program to calculate the total paint cost and other values is given below.

#include <iostream>

using namespace std;

int main() {  

 int rooms, laborChrg = 18;

 float paintChrg;

 float feetPerRoom[rooms];  

 float paintReq, laborHrs, paintCost, laborCost, totalCost, totalsqft=0;  

 cout<<"Enter the number of rooms to be painted "<<endl;

 cin>>rooms;  

 for(int i=0; i <= rooms; i++)

 {

 cout<<"Enter the square feet in room "<<endl;

 cin>>feetPerRoom[i];  

 // shortcut operator which is equivalent to totalsqft = totalsqft +     feetPerRoom[i];

 totalsqft += feetPerRoom[i];

 }  

 cout<<"Enter the cost of the paint per gallon "<<endl;

 cin>>paintChrg;  

 laborHrs = (totalsqft/115)*8;

 laborCost = laborHrs * laborChrg;  

 paintReq = totalsqft/115;

 paintCost = paintReq * paintChrg;  

 totalCost = laborCost + paintCost;  

 cout<<"The number of gallons of paint required "<<paintReq<<endl;

 cout<<"The hours of labor required "<<laborHrs<<endl;

 cout<<"The cost of the paint is "<<paintCost<<endl;

 cout<<"The labor charges are "<<laborHrs<<endl;

 cout<<"The Total cost of the paint job is "<<totalCost<<endl;  

 return 0;

}

Explanation:

The header files for input and output are imported.

#include <iostream>

using namespace std;

All the variables are taken as float except labour charge per hour and number of rooms.

The user is asked to input the number of rooms to be painted. An array holds the square feet in each room to be painted.

cout<<"Enter the number of rooms to be painted "<<endl;

cin>>rooms;  

for(int i=0; i <= rooms; i++)

{

cout<<"Enter the square feet in room "<<endl;

cin>>feetPerRoom[i];  

totalsqft += feetPerRoom[i];

}  

The above code asks for square feet in each room and calculates the total square feet to be painted simultaneously.

All the data to be displayed is calculated based on the values of labor charge per hour and gallons of paint needed, given in the question.

laborHrs = (totalsqft/115)*8;

laborCost = laborHrs * laborChrg;

paintReq = totalsqft/115;

paintCost = paintReq * paintChrg;

totalCost = laborCost + paintCost;

All the calculated values are displayed in the mentioned order.

Answer:

False

Explanation:

Constructors have to have the same name as their classes for proper syntax, if their names are different it will result in an error. Methods contained within the class can/should have different names, it is allowed because methods require return types while constructors cannot have return types.

Answer:

True: Merge Sort sorts a list using divide-conquer approach.

Merge_Sort(B,p,n)  //p is the starting index of array B and n is the last index.

1. if(p<n)

2.        q ← (p+n)/2    //divides the list into two sub-lists

2.        Merge_Sort(B, p, q) //sorts the left half

3.        Merge_Sort(B, q+1, n) //sorts the right half.

4.        Merge(B, p, q, n)

Merge(B, p, q, n)

1.l ← q-p+1.  //no. of elements in left half

2.m ← n-q  //no. of elements in right half.

3.for x ← 1 to l

4.      Left[x] = B[p+x -1] //The elements of left half are copied to Left array

5.for y ← 1 to m.

6.      Right[y]= B[q+y]  //The elements of right half are copied to right array

7. x ← 1, y ←1

8.for z ← p to n.

9.      if( Left[x] ≤ Right[y] ) // to merge the two lists Left and Right, the    //elements are compared.

10.     {   A[z] ← Left[x]   //smaller one comes to the merged list.

11.          x++. }

12.    else

13.      {   A[z] ← Right[y]

14.          y++ }

Explanation:

The Merge_Sort(A, p, n) algorithm first divides the whole array into two halves. Then again divides the sub-lists into it's halves and so on.

Then using merge algorithm it compares the elements of both halves one by one and keep it in sorted order.

Answer:

A) Javadoc comments

Explanation:

It is used for documenting the java source code in HTML and java code documentation. The difference between multi-line comment and javadoc is that ,javadoc uses extra asterisk, For example-

/**

* This is a Javadoc

*/

It is used to record the behavior of classes.There are various tags used in this like @author,{@code},@exception and many more.

Answer:

/* EnterComments Here*/

Explanation:

/* EnterComments Here*/   is the right syntax for comments in java.

we can use double farword slash (//)  for single line comment and for mutliple line we can use /* comments here */ and for documentation comment we use below syntax-

/**

*

*

*/

Answer:

a. Data link layer

Explanation:

A trailer / footer is the additional data (metadata) which is positioned at the end of the data block being stored or transferred,it  may contain information for the processing of the data block or simply placed at the end of the block.

In data transmission, the data is called the payload or body after the end of the header and before the trailer starts.

In Data link layer, it contain three parts-

Answer:

"Jargon"

Explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Specialized vocabulary is sometimes also known as "Jargon" . These are sets of words that are used specifically and uniquely for specific sets of groups or organizations.

For example Lawyers Judges and other law enforcement officials have their own Specialized vocabulary that are better understood by other people in Law enforcement, people that are not part of Law Enforcement might have a hard time understanding.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

Answer: Both Agile and waterfall model are software development models to deliver a final outcome in the form of a software product. Waterfall model is sequential process with the requirements beings rigid and defined before beginning the software development.

Agile method basically  concerned with the requirements of the client. Here both testing and development is carried out at the same time.

Explanation:

More differences between the two include :

Waterfall model is easy to manage whereas in agile model as the the client requirements changes and wants more functionalities is becomes a bit more difficult to manage. the role of project manager is very crucial in waterfall model whereas the role of developers ans testers is more important in Agile model.

Answer:

Answer is A. SRAM

Explanation:

Memory cache is called static RAM.

Answer: False

Explanation:

This code code not deletes element from deq. This insert element at the beginning of deq. if it was deq.pop_front(elem) then it would have deleted the first element.

Therefore, it is false.

Answer:

JAVA program to display the array elements both forward and backward is given.

public class MyProgram {

   public static void main(String args[]) {    

     int len = 5;

     int[] courseGrades = new int[len];      

     courseGrades[0] = 7;

     courseGrades[1] = 10;

     courseGrades[2] = 11;

     courseGrades[3] = 9;

     courseGrades[4] = 10;      

     System.out.println("The elements of array are ");

     for(int i=0; i<len; i++)

     {

         System.out.print(courseGrades[i]+" ");

     }  

// new line is inserted    

     System.out.println();      

     System.out.println("The elements of array backwards are ");

     for(int i=len-1; i>=0; i--)

     {

       // elements of array printed backwards beginning from last element

       System.out.print(courseGrades[i]+" ");

     }

// new line is inserted    

     System.out.println();  

   }

}

OUTPUT

The elements of array are  

7 10 11 9 10  

The elements of array backwards are  

10 9 11 10 7  

Explanation:

This program uses for loop to display the array elements.

The length of the array is determined by an integer variable, len.

The len variable is declared and initialized to 5.

int len = 5;

The array of integers is declared and initialized as given.

int[] courseGrades = new int[len];

We take the array elements from the question and initialize them manually.

First, we print array elements in sequence using for loop.

for(int i=0; i<len; i++)

To display in sequence, we begin with first element which lies at index 0. The consecutive elements are displayed by incrementing the value of variable i.

The array element is displayed followed by space.

System.out.print(courseGrades[i]+" ");

Next, we print array elements in reverse sequence using another for loop.

for(int i=len-1; i>=0; i--)

To display in reverse sequence, the last element is displayed first. The previous elements are displayed by decrementing the value of variable i.

At the end of each for loop, new line is inserted as shown.

System.out.println();

The length and elements of the array are initialized manually and can be changed for testing the program.

Loops are used to perform operations that would be repeated in a certain number of times; in other words, loops are used to perform repetitive and iterative operations

The loop statements are as follows:

for(int i = 0; i<sizeof(courseGrades)/sizeof(courseGrades[0]);i++){

       cout<<courseGrades[i]<<" ";

   }

cout<<endl;

   for(int i=sizeof(courseGrades)/sizeof(courseGrades[0]) - 1; i >=0; i--){

       cout<<courseGrades[i]<<" ";

   }

cout<<endl;

The flow of the above loops is as follows

Read more about loops at:

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Answer:

 It may underestimate the importance of RDBMS in real world as, database system for storing the multimedia object images and images,consequently the objects and operation become more complex that is why, it is degrading the performance of the application in RDBMS. It is also dependence on the structure query language as, it is comparatively simple query optimization and unable to handle complex applications.

A relational database is a combination of many relation in the form of two dimensional table of rows and the columns containing tuples. The rows are called as records and the columns are called as attributes.

Answer and Explanation:

The bootstarp loader is also know as bootstrapping a bootstrap loader is usually located in EPROM (erasable programmable read only memory). It is a non volatile memory. The booststrap loader is automatically exicuted by the processor when we turn on the computer.Non volatile memory is that memory in which retain their content even when the power is swithed off.

Answer: Bootstrap program is generally found in the ROM (read only memory) else EEPROM (Electrically erasable programmable read-only memory)

Explanation:Bootstrap loader or program is referred as the program that gets into action or execution when there is the rebooting process in the operating system and it initializes it. It is usually located in EEPROM of the system. After the restarting of the computer system , all the loaded data gets transferred into the RAM(Random access memory).

Answer:

The complete procedure for creating Excel Sheet:

Answer:

SOP=AB'+B'C

POS=B'(A'+C)

Shorthand Minterms=m₀+m₁+m₅

Shorthand Maxterms=M₃+M₂+M₄+M₆+M₇

Explanation:

For the full explanation of this question refer to the image attached which is of the k-Map of F.As we can see in the k-map that there are only 3 ones.by making 2 pairs of 1 we get the SOP expression.

Rest of them are zero from there we will get the POS expression.

The one's in the k-map represent the Minterms and 0's represent Maxterms and the number written in the box is their respective minterm and maxterm number.Minterms are represented by m and maxterms are represented by M.

Answer:

The answer is True.

Explanation:

The final class cannot be extended because in java final keyword means "no modification". If it is applied to a variable or anything else then that value becomes a constant after that it cannot be modified.So in cases of class if final keyword is used it means that class cannot be extended.

Answer: The QA/Testing process consist of the following:

1. Requirement specification

2. Reviewing the code.

3. Unit testing

4. Integration test

5. Performance testing

Explanation:

We start of by the requirement specification try to gather all the information accurately. Then begins the coding process where there is review of the code so that they perform their desired purpose. After modules are completed we perform unit testing of the different modules individually and also do the integration testing once all the modules are completed. At the end we perform the performance testing to take a note on their desired output and other quality parameters.

Answer: None of the given option is correct

Explanation:

A serializable class is implemented, when an object is serializable interface. If you want to serialize one of your classes, then the class must implemented in the Serializable interface. To implement the serializable interface, convert a class into the series of bytes and when serializable object might reference your class. Serializable classes are useful when you wanted to persist cases of the class or send them over wire.

Answer:

The answer is Frequency Spectrum.

Explanation:

The frequency spectrum is range of all component frequencies.It contains all the waves which are as following:-

Gamma Rays

X-Rays

Ultraviolet

Visible light.

Infrared

Micro wave

Radio wave

These all waves have their range of frequencies.The waves that are visible to us is only the visible light.

Answer: C) encapsulation

Explanation:

 As, encapsulation is the process by which the data is included from the protocol of the upper layer into lower layer of the protocol in the computer networking. Basically, in the networking it is the method of abstraction, as it allowed different functions by adding different layer. In encapsulation, the IP encapsulated packet are sent over the data link layers protocol for example ethernet.

Answer:

False

Explanation:

In a while loop we can increment the counter by any number that we wish. It is not that the counter can only be incremented by one each time through the loop.

Below is an example of a while loop with counter incremented by 5 each time.

int count=0;    //initialize count to 0

while(count<50){    //continue the loop till count is lesser than 50

  cout<<count;   //display the value of count

  count = count + 5;    //increment counter by 5 each time

}

Final answer:

The statement is false; a while loop can increment a counter by any amount based on the code within the loop's body.

Explanation:

The statement that a while loop is limited because the counter can only be incremented by one each time through the loop is false. In programming, a while loop can be used to increment or alter a counter variable by any amount, as dictated by the statements within the loop's body. The control of a while loop is based on a condition, and as long as the condition remains true, the loop will continue to execute.

For example:

int counter = 0;
while (counter < 10) {
   counter += 2; // Increment counter by 2
}

In this example, the counter variable starts at 0 and increases by 2 on each iteration of the loop. You can increment the counter by any number, or even apply other operations to change its value in complex ways.

Answer:

Answer is (a) reserve

Explanation:

Usually when we create an array variable, in some language the memory is allocated automatically. But in some the memory is not allocated automatically. So we need to reserve the memory space for the array.

For example in C++ dynamic memory allocation we need to allocate memory using new keyword.

Answer:

4

Explanation:

The loop is used to execute the part of code or statement again and again until a condition is not true.

syntax of for loop:

for(initialize; condition; increment/decrement){

   statement;

}  

in the question, the value of n is zero.

then, for loop check the condition k<2, initially the value of k is zero. so, the condition is true and execute the code n = 0 +2=2

Then, k is increment by 1. so, the value of k is 1.

then, again loop run and check the condition 1<2, it true. then n = 2+2=4.

then, k is increment by 1. so, the value of k is 2.

Then, again check the condition 2<2, condition false and program terminate the loop and finally print the value 4.

Answer:

Java provide all the ADTs you need,therefore you do not need to create any newones.

This statement is not true.

Explanation:

ADTs are those data types which we use but we didn't know their inner working that is how it is working what is happening inside.It is commonly used for Data Structures for example:- In stack we use push and pop operations to insert and to delete element from a stack respectively but we didn't know how it is happening inside.How the stack is implemented and etc.Java provides most of the ADT's but not all.

The statement that is wrong as regards abstract data types in this question is C: Java provides all the ADTs you need, therefore you do not need to create any new ones.

Examples of ADT are;

Therefore, option C is correct.

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Answer:

We need to have binary numbers because that is how computers process data.

Explanation:

Answer: The system analyst is one of the most important members in any organisation. These system analyst has to analyse different data of the organisation which would help to bring out the different any new business policy changes or any kind of improvement.

Explanation:

An example to know this better would be the system analyst of a telecom company. Here the role of the system analyst would be bring out the design and implementation of new telecom information system and also should be aware of previous data of the organization. The system analyst would also be responsible to bring out the new business policies based on latest telecom standards and ensure the systems conforms to the latest standards.

Answer:

Direct access storage device.

Explanation:

DASD stands for direct access storage device.