The question is about writing a Java while loop to double a number without exceeding 100, relevant to Computers and Technology in a high school context. The loop prints each doubled value followed by a space and stops before the number reaches 100, after which it prints a new line.
The subject of the question is related to Computers and Technology, particularly focusing on programming and the use of while loops in Java. A while loop is used to repeatedly execute a block of code as long as a specified condition is true. In the context of the student's question, the goal is to use a while loop to double a positive integer without exceeding a certain threshold (in this case, 100).
To solve the problem, we need to set up a while loop that continues to operate as long as the doubled value of numInsects is less than 100. Here is the code snippet that accomplishes this:
while (numInsects < 100) {This loop starts by checking if the current value of numInsects is less than 100. If it is, the value is printed followed by a space, and then numInsects is doubled. The process repeats until the condition is no longer true (i.e., numInsects is 100 or more), at which point a newline is printed to conclude the output.
ARP only permits address resolution to occur on a single network.could ARP send a request to a remote server in an IP datagram?why or why not?
Answer:
The answer to this question is Yes it is possible
Explanation:
It can be done In the case where a special server is required in each network that would forward the request to the remote ARP(Address Resolution Protocol) server and will receive the response from the server and send it to the requesting host.So we conclude that we can do that hence the answer is Yes.
List the steps that the insertion sort algorithm would make in sorting the values 4, 1, 3, 2.
Answer:
The Insertion Algorithm will loop through the values given and move certain values back until the final array is sorted.
Explanation:
Insertion Algorithms start with the second value in a set.
Initial set: 4, 1, 3, 2
Step 1: 1 is lower than 4 so it is moved behind 4 and 4-2 are pushed forward by one ....... 1, 4, 3, 2
Step 2: 3 is lower than 4 but higher than 1 so it is moved behind 4 and 4 and 2 are pushed forward by one ..... 1, 3, 4, 2
Step 3: 2 is lower than 4 and lower than 3 but higher than 1 so it is moved behind 3, and 3-4 are pushed forward by one ...... 1, 2, 3, 4
The Set is now Sorted and the Insertion Algorithm is finished.
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ith reference to McCall's quality modle , what are the three important aspects of a software product ?
Answer: According to McCall's quality model , the three important factors for the aspect of a software product are:-
Product RevisionProduct Operation Product TransitionExplanation:
Product Revision:-these are the factors which includes the maintenance, flexibility and testing of a software .
Product Operation:-these include the factors like checking the correctness, usability, reliability, efficiency and Integrity of software to maintain its quality
Product Transition:- these are the qualities that define the portability, interoperability and whether the software can be reused or not .
The power we use at home has a frequency of 60 HZ. What is the time period of such a power?
Answer:
The period of the power for our lights at home is 0.0116 s, or 16.6 ms.
What is the purpose of TCP?
Answer:
The purpose of TCP / IP is to provide computers with a method to transmit data to each other. TCP/ IP provides the means for application to send data between computers and for networks to deliver that data to applications on others computers.
Explanation:
The internet control protocol (TCP/ IP, transmission control IP / internet protocol) is the set of protocols used to transport information on the internet and in most private networks. The TCP/IP name leaves two more important protocols of the transport layers (TCP) and the network layer (IP).
Each internet application depends on the communication of data between two or more processes. The most common is that they are two processes, and that their roles are well defined as client and server. The applications under this model ''client-server'', will issue a service request on the client side, and the server will elaborate a response and return it to the client.
To communicate these two processes it is necessary that the data that configure the requirement made by the client, and those that configure the response, produced by the server, can circulate through the network in both directions. The TCP/IP protocol suite resolves this need. For this, IP performs communication between devices, hosts, or nodes of the network, creating virtual paths between them through its fundamental function, which is routing.
The scope of a variable declared in a for loop's initialization expression always extends beyond the body of the loop
True False
Answer:
False
Explanation:
for loop is used to run the statement again and again until the condition put inside the for loop is false.
syntax:
for(initialization;condition;increment/decrement)
{
statement;
}
the initialization scope is valid only within the curly braces of the for loop. it is not valid outside the body of the for loop.
because initialization is the part of the for loop.
What is the value of "d" after this line of code has been executed? double d = Math.round ( 2.5 + Math.random() ); A. 2 B. 3 C. 4 D. 2.5
Answer:
3
Explanation:
Math.random() is the function which gives the value greater than or equal to 0.0 and less than 1.0. it gives the double type value.
Math.round is also the function which gives the closest long to the argument.
for example:
Math.round(2.5) it gives 3.
so, Math.random() generate number 0.000 to 0.999
maximum possible value inside the Math.round(2.5+0.999) which is equal to
Math.round(3.499) which gives 3 not 4 when it 3.5 then it gives 4.
therefore, the result is 3
BorderLayout is the default layout manager for a JFrame’scontent pane
?? True
?? False
Answer:
True
Explanation:
BorderLayout is the default JFrame, JInternalFrame, and JApplet content panel layout manager.Border layout are used to arrange components(such as text fields, buttons, labels etc) in a particular manner.
Example
public class BorderLayout
extends Object
implements LayoutManager2, Serializable
These classes are used for making effective GUI(graphical user interface) in java.
Example for JFrame's content pane-
JButton button = new JButton("Button click (PAGE_START)");
/*making object JButton with a button name 'click*/
pane.add(button, BorderLayout.PAGE_START);
/*Adding Border layout in button*/
PAGE_START is BorderLayout constant,there are four more which defines the area-
PAGE_END
LINE_START
LINE_END
CENTER
Two input capture events occur at counts 0x1037 and 0xFF20 of the free-running counter. How many counts, in decimal have transpired between these two events?
A. 25,891
B. 57, 421
C. 61,161
D. 64, 551
Answer:
The correct answer is C.
Explanation:
You have to do 0xFF20 - 0x1037 but first, you need to convert the counts from hexadecimal base system to decimal base system using this formula:
[tex]N = x_{1} * 16^{0} + x_{2} * 16^{1} + x_{3} * 16^{2} + x_{4} * 16^{3} + ... + x_n 16^{n-1}[/tex], where position of the x₀ is the rightmost digit of the number.
Note:
A = 10.B = 11.C = 12.D = 13.E = 14.F = 15.0xFF20 = 15*16³+15*16²+2*16¹ = 65312
0x1037 = 1*16³+3*16¹+7*16⁰ = 4151
Result: 65312 - 4151 = 61161
Is there any advantage of usingbranch predictor in a pipleline. Explain with example.
Answer:
Yes, there are advantages of using branch predictor in a pipeline.
Explanation:
Yes, there is advantage of using branch predictor in pipelining. T know this, lets first understand the Branching. Branches are the places in the instructions where multiple paths can be possible and one of the path (in branch) will be followed. This can be understood as conditional executions like If - Else conditions, Switch cases etc. Without branch prediction, the processor becomes slow, processing less number of instructions and taking more clock cycles. The processor has to stall without executing any instructions and wasting lot of clock cycles. Without branch predictor the instructions that have to be next executed doesn't know. Branch prediction increases Instruction Level Parallelism. Examples are If - Else Conditions and Switch cases.
Unless you explicitly initialize global variables, they are automatically initialized to
_________.
Answer:
Zero(0)
Explanation:
Global Variables
Variables which are declared outside any function. Any function can use these variables,they are automatically initialized to zero(0).They are generally declared before main() function.
Example- C program for showing global variable is 0.
#include <stdio.h>
int g; // declaring g as global variable
int main()
{
printf("%d",g); //printing global variable
return 0;
}
Output
0
Suppose a computer design has -bit integers. What happens when overflow occurs?
Answer:
When a computer designed has a bit-integers so the overflow occurred when magnitude of number exceeding and the results of the arithmetic operation are exceeding the maximum size of the type of an integer like the addition and the multiplication, which are used to stored in it. The two similar signed number sum are varying with the exceeding range of bit then, it increases the possibility of the overflow.
Describe the attacks in wireless networks that are more serious com pared to wired network
Answer:
Both types of attacks can be devastating.
Explanation:
Attacks Wireless Networks are sometimes considered more serious because they can be attacked from remote locations. One of the more serious attacks would be against commercial airplanes. A wireless hack and system shutdown of a commercial aircraft can be catastrophic, and can all be done wireless. While a Wired Network attack can cause catastrophic events they need to be attacked from within the location of the network which is usually guarded by security personnel as well as system firewalls.
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When the average amplitude is non zero then the problemarises is ______________.
Answer:
Average amplitude is the average magnitude in a wave cycle of all instant values. Average amplitude is the ratio of the sum of all instantaneous values to the number of instantaneous values considered in cycle.
When the average amplitude is non zero then the problem arises is it make it ineffective to carry a signal over the transmission medium.
An issue arises when there is a long 0s or 1s sequence and the voltage level is maintained for a long time at the same value. This creates a receiving end problem because the clock synchronization is now lost due to the lack of any transitions.
In what conditions we use forward and backwardchaining in prolog please specify?
Answer:
Explanation:
Forward Chaining:
As the name suggests, Forward Chaining is the method of arriving at the goal with the available data and the data that is produced from the available data. With the help of the available data more data is produced by using inference rules. With the combination of available data and the produced data, a goal will be reached.
Backward Chaining:
As the name suggests, Backward Chaining is the method of finding the reasons behind the goal or hypothesis. It is used when the goal is present and checking if the available data supports / satisfies the goal.
Convert the following Base 2 (binary) numbers to base 10(decimal):
11101
1010101
Answer:
11101=29 in base 10.
1010101=85 in base 10.
Explanation:
To convert a binary or Base 2 number into a decimal or base 10 we have multiply respective 1 and 0's to respective powers of 2 and then add them which gives us the decimal number.The LSB(Least Significant Bit) or right most digit in binary number will be multiplied by 2⁰ and increment the power by 1 as we move to the left side or to the MSB(Most Significant Bit).
(11101)₂=1x16+1x8+1x4+0x2+1x1 =16+8+4+1=(29)₁₀.
(1010101)₂=1x64+0x32+1x16+0x8+1x4+0x2+1x1=64+16+4+1=(85₁₀) .
1) Only analog signals can be used to transmit information.
a) True b) False
Answer: False
Explanation:
Digital signal is used for transmission of information over a dedicated line wheres for using analog signal for transmission of information it is first converted to digital to be able to transfer it across long distances./
UML uses the________________ diagram to model the flow of procedureor
activities in aclass.
a. Activity b. case
Answer:
A - Activity
Explanation:
UML contains multiple subdivisions of diagrams which allow you to visualize what the software will do, while activity diagrams demonstrate the process of what happens in the system being modeled. This is why UML uses the activity diagram to model the flow of procedure.
____ is a set of elements of the same type in which the elements are added at one end.
A.
hash table
B.
tree
C.
queue
Answer:
queue
Explanation:
queue is the data structure which perform the operation in specific order.
It follow the order first in first out (FIFO). The element is insert at the rear end and deleted from the front.
So, the element is added only the one end.
Tree is a hierarchical structure, their is not one end which used to insert the element.
Hash table also not having single end for insert the element.
Therefore, the answer is queue.
Which of the following statements is false? a. Racks and bins are examples of storage equipment. b. Automation refers to equipment that complements, rather than replaces, human contact. c. Forklifts can be dangerous. d. In a part-to-picker system, the pick location is brought to the picker.
Answer:
b. Automation refers to equipment that complements, rather than replaces, human contact.
In these kinds of systems, a mechanical device—typically—brings the pick location to the picker. The device's transit time is crucial in part-to-picker systems. Since the proper pick position is automatically offered, the picker's search time is greatly decreased. Thus option B is correct.
What best define about In a part-to-picker system?Systems for picking orders from warehouses are created to improve picking operations' effectiveness, speed, and accuracy. One or more of these systems can be used by businesses to improve order fulfilment processes in their distribution centres.
In this approach, warehouses set up a space for material handling, where merchandise is frequently moved using forklifts. Additionally, the system has a picking section where order pickers acquire goods to complete customer orders.
Therefore, Automation refers to equipment that complements, rather than replaces, human contact.
Learn more about picker system here:
https://brainly.com/question/23287453
#SPJ5
What are search tries? Why are they more efficient than usualsearching
algorithms?
Answer:
Trie is a tree based data structure where the keys are strings.
Search trees are a data structures in Computer Science in which they are based on trees.
Explanation:
Search trees are tree based data structures which are used to search elements in the tree as the names suggests (search tree). However, for a tree to perform as search tree the key it has to follow specific conditions. They are , the the key of any node has to be less than the all the keys present in the right sub trees and greater than all the keys present in the left subtree.
Which of the following is NOT areserved word in Java?intpublicstaticnum
Answer:
num
Explanation:
In java reserved words are also known as keywords, keywords are reserve words for a language that can't be used as an identifier(name of a class, name of a variable, name of an array etc.) int, public static, are reserve words.
In given question num is not a reserved word.
Write a program to define three variables to hold three test scores. The program should ask the user to enter three test scores and then assign the values entered to the variables. The program should display the average of the test scores and the letter grade that is assigned for the test score average. Use the grading scheme in the following table. 90 or greater 80-89 70-79 60-69 Below 60
Answer:
It's always good to use if else with boolean expressions in such cases.
Explanation:
I have written a program where I have used c# as programming language.
I used if else block with boolean expressions to enforce conditions to print the grades according to the average of test scores. I have used Logical And(&&) operator in boolean expressions so that all the conditions in if and if else must be true
Here is the program:
using System;
public class Test
{
public static void Main()
{
int testScore1, testScore2, testScore3;
Console.WriteLine("enter first testScore");
testScore1 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter second testScore");
testScore2 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter third testScore");
testScore3 = Convert.ToInt32(Console.ReadLine());
float avg = (testScore1 + testScore2 + testScore3) / 3;
if(avg>=90)
{
Console.WriteLine("You got grade A");
}
else if(avg >=80 && avg <=89)
{
Console.WriteLine("You got grade B");
}
else if (avg >= 70 && avg <= 79)
{
Console.WriteLine("You got grade c");
}
else if (avg >= 60 && avg <= 69)
{
Console.WriteLine("You got grade D");
}
else if(avg< 60)
{
Console.WriteLine("You got grade E");
}
else
{
Console.WriteLine("Sorry, You failed");
}
Console.ReadLine();
}
}
Explanation of program:
I created three variables named, testScore1, testScore2, testScore3 of datatype int. I prompted the user to enter three test score values. Each value is read using Console.ReadLine() . As the value entered is of type integer, I converted the console read value into int using Convert method.
In the next step, I calculated average using the formula.
Now, Based on the average, I can calculate the grade according to the given grading scheme.
program for bit stuffing...?
Answer: Program for bit stuffing in C
#include<stdio.h>
int main()
{
int i=0,count=0;
char data[50];
printf("Enter the Bits: ");
scanf("%s",data); //entering the bits ie. 0,1
printf("Data Bits Before Bit Stuffing:%s",databits);
printf("\nData Bits After Bit stuffing :");
for(i=0; i<strlen(data); i++)
{
if(data[i]=='1')
count++;
else
count=0;
printf("%c",data[i]);
if(count==4)
{
printf("0");
count=0;
}
}
return 0;
}
Explanation:
bit stuffing is the insertion of non-information bits during transmission of frames between sender and receiver. In the above program we are stuffing 0 bit after 4 consecutive 1's. So to count the number of 1's we have used a count variable. We have used a char array to store the data bits . We use a for loop to iterate through the data bits to stuff a 0 after 4 consecutive 1's.
Which of the following variable names is not valid? 1price 1 price price 1 price1
Answer:
1price 1 price price 1
Explanation:
In the c programming, the rule for valid variable name.
1. Variable name cannot start with numeric value like 1,2,3..
2. Space and special character other than underscore '_' are not allowed.
3. After the first letter, numeric values can be used.
Let discuss the options:
Option A: 1price
it start with number which is not allowed.
Option B: 1 price
it start with number and also contain the space which is not allowed.
Option C: price 1
it contain the space which is not allowed.
Option D: price1
it is the valid variable name, start with letter and their is no space.
Therefore, option A, B and C are correct option.
Does RISC provide better performance today than CISC?
Answer: Yes, RISC has better performance than CISC at present .
Explanation: Following are the reasons for the better performance of the RISC as compared to CISC:-
RISC(Reduced instruction set computer) processors has simple instructions which take about one clock cycle whereas CSIC (complex instruction set computer) processor has complex instructions which may take multiple clocks to execute. Decoding of instruction in RISC is simple as compared to CISC .Execution time is less in RISC whereas CISC takes more time to executeRISC has reduced instruction that is the instructions are less but in CISC , the instruction set is complex which make the operation more complexNo requirement of external memory in RISC for calculation but CISC requires external memory for calculation.True / False
Generally, a multiply instruction takes more clock cycles than an add instruction.
Answer: True
Explanation:
A multiplication takes more clock cycle than an add instruction as, multiplication has more complicated circuit as compared to addition instruction. Multiplication instruction may takes more duration depends on its processor or architecture. Sometimes, it is difficult and take longer time to calculate the multiplication of decimal integer and numbers.
A(n) ___________________ process is initiated by individuals who are subjected to forensic techniques with the intention of hiding or obfuscating items or objects with evidentiary value. a. digital forensics b. discovery c. eDiscovery d. anti-forensics
.When a system is designed such that there is one-to-manydependency between objdects with automatic notification ofdependents when any object changes, the implied patterns iscalled:
A.observer B.mediator C.interpreter D.iterator
Answer: A) observer
Explanation:
When the system are designed in such a way that there is one to many dependency between the object, when the object changed with the automatic notice of the dependent , and the implied pattern are known as observer. As, the pattern observer are defined a one to many object dependency so, when the state of one object changed, then the dependent update automatically. Observable object are get notified for the changes when a class are get implemented observer interface.
T F In a function prototype, the names of the parameter variables may be left out.
Answer:
True.
Explanation:
In a function prototype, the names of the parameter variables may be left out.