Answer:
These are all wrong. OSHA requires a trench to have a protective system starting at 5 feet.
Explanation:
OSHA's own rules state this, unless it is in stable rock. If it is under 5 feet, it isn't required and can be decided by someone qualified.
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Configuration management is a process for controlling changes in system requirements during software development.
Select one:
a.
True
b.
False
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______________ is the overall time between a request for system activity and the delivery of the response.
Select one:
a.
Through-put speed
b.
Turnaround time
c.
Response time
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When an information systems project gets implemented, it moves into the "maintenance" stage - any requested changes will be considered maintenance activities. There are 4 basic types of maintenance. Please match each with its correct term.
________ maintenance is performed to fix errors
Answer 1
Choose...
___________ maintenance adds new capability and enhancements
Answer 2
Choose...
_________ maintenance improves efficiency
Answer 3
Choose...
_________ maintenance reduces the possibility of future system failure.
Answer 4
Choose...
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System security encompasses confidentiality, integrity, and availability.
Select one:
a.
True
b.
False
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In the testing process, a new computer program reads in a file and attempts to perform arithmetic calculations on a name field. What is the most likely result?
Select one:
a.
The program will encounter a logic error.
b.
The program will encounter a syntax error.
c.
The program will encounter a run-time error.
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The testing process takes place in the closing phase of the project management life cycle. (T/F)
Select one:
True
False
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Corrective maintenance efforts are _________ when a project is first implemented
Select one:
a.
Low
b.
Medium
c.
High
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Which of the following statements is true about logic errors?
Select one:
a.
Logic errors do not keep the program from running.
b.
With a logic error, program syntax is correct but the program doesn't return the expected results.
c.
Logic errors keep programs from running correctly.
d.
All of the above
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Hailey tried to compile her source code, but it failed to compile. The most likely reason is:
Select one:
a.
It had a logic error in it.
b.
It encountered a run-time error.
c.
The code had a syntax error(s).
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Mike created a new program that isn't returning the results he expects. Although the program compiles fine and runs fine (without ending in error), it isn't processing correctly. Mike should:
Select one:
a.
Look for logic errors in the code.
b.
Eliminate any syntax errors and try again.
c.
Run a systems test for the users to see if they can help.
d.
All of the above
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Adaptive maintenance adds _____________ to an operational system and makes the system easier to use.
Select one:
a.
New feature(s) or capability.
b.
Changes to make the system more efficient.
c.
Changes to fix syntactical errors.
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After implementation, when an administrator monitors a new system for signs of trouble, logging all system failures, diagnosing the problem, and applying corrective action, s/he is carrying out:
Select one:
a.
Fault management
b.
Post-implementation control
c.
Production monitoring
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When we monitor current activity and performance levels, anticipate future activity, and forecast the resources needed to provide desired levels of service, we are engaging in:
Select one:
a.
Stress testing
b.
Capacity planning
c.
Establishing a system baseline
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When a new version of a system is installed, the prior release is archived or stored. Companies implement _____________ in order to track system releases, or versions. In this way, it is possible to return to an earlier revision of the system code.
Select one:
a.
Release management
b.
Version control
c.
Version tracking
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For the most part, testing is a perfunctory act that satisfies the project sponsor, but can be avoided much of the time.
Select one:
a.
True
b.
False
Answer:
true and false
Explanation:
In Python, the expression “a ** (b ** c)” is the same as “(a ** b)
Answer: False
Explanation: When two operators share an operand and the operators have the same precedence, then the expression is evaluated according to the associativity of the operators. For example, since the ** operator has right-to-left associativity, a ** (b ** c) = a ** b ** c. While on the other hand, (a ** b) = a ** b.
Assume that an int variable age has been declared and already given a value. Assume further that the user has just been presented with the following menu:
S: hangar steak, red potatoes, asparagus
T: whole trout, long rice, brussel sprouts
B: cheddar cheeseburger, steak fries, cole slaw
(Yes, this menu really IS a menu!)
Write some code that reads the String (S or T or B) that the user types in into a String variable choice that has already been declared and prints out a recommended accompanying drink as follows: if the value of age is 21 or lower, the recommendation is "vegetable juice" for steak, "cranberry juice" for trout, and "soda" for the burger. Otherwise, the recommendations are "cabernet", "chardonnay", and "IPA" for steak, trout, and burger respectively. Regardless of the value of age, your code should print "invalid menu selection" if the character read into choice was not S or T or B.
ASSUME the availability of a variable, stdin, that references a Scanner object associated with standard input.
Instructor Notes:
Hint:
Use .equals for String comparison, e.g.
if (choice.equals("B")) instead of
if (choice == "B") // BAD
You might want to skip this one and do section 3.6 (which covers String comparison) beforehand.
Using the knowledge of computational language in C++ it is possible to write a code that assume that an int variable age has been declared and already given a value
Writting the code:#include<stdio.h>
#include<conio.h>
int main()
{
//variables to rad choice and age
char choice;
int age;
//read age and choice
printf("\tEnter your age: ");
scanf("%d", &age);
//fflush the keyboard buffer before reading choice
fflush(stdin);
printf("\tEnter your choice: ");
scanf("%c", &choice);
//print the invalid message if the choice is otherthan the S,T,B
if(choice!='S' && choice !='T' && choice !='B')
{
printf("Invalid menu choice");
getch();
}
else if (age <22)
{
if (choice =='S')
{
printf("\tvegetable juice");
}
else if (choice =='T')
{
printf("\tcranberry juice");
}
else if (choice == 'B')
{
printf("\tsoda");
}
}
else
{
if (choice == 'S')
{
printf("\tcabernet");
}
else if (choice =='T')
{
printf("\tchardonnay");
}
else if (choice == 'B')
{
printf("\tIPA");
}
}
//pause the console output until user press any key on keyboard
getch();
}
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The Check Spelling command is found under the ________ menu.
Question 1 options:
1)
View
2)
Edit
3)
Layer
4)
File
Answer: 2
Explanation:
In the space below, explain how you can access the character map in Word 2019 using a complete sentence.
To access the Character Map and see the characters available for a specific font style, click on the Windows or Start button.
What is character map?Character Map is a utility that comes with Microsoft Windows operating systems that allows you to view the characters in any installed font, check what keyboard input is used to enter those characters, and copy characters to the clipboard instead of typing them.
Click the Windows or Start button to open the Character Map and see the characters available for a specific font style.
Clicking on the Programs submenu, then the Accessories submenu, then System Tools, and finally the Character Map item under the System Tool bar to showcase the Character Map Application from which protagonists are copied and pasted in Word 2016.
Thus, this way, one can access the character map in Word 2009.
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Write a while loop that divides userNumber by 9, assigns userNumber with the quotient, and outputs the updated userNumber, followed by a newline. The loop iterates until userNumber is less than or equal to 0.
The loop that divides user number by 9 is assign and the loop is said to be java while loop.
What is java loop?
Java loop is a statement which has controlled by a flow statement that allows code which has to be executed continuosly which has been based on a condition which is boolean. The while loop is said to be repeating according to statement.
Java loop comes in use when we required a continuosly execute statements in blocks. The while loop is said to be repeating according to statement. In case when Iterations statement has not been fixed , in such case while loop is recommended to use.
Therefore, The loop that divides user number by 9 is assign and the loop is said to be java while loop.
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write a function that gives the product of two numbers in c language
Explanation:
printf("Enter two numbers: "); scanf("%lf %lf", &a, &b);
Then, the product of a and b is evaluated and the result is stored in product.
product = a * b;
Finally, product is displayed on the screen using printf().
printf("Product = %.2lf", product);
Notice that, the result is rounded off to the second decimal place using %.2lf conversion character.
Is it true or false? Just have been stuck on this for a bit about CNC milling.
Which statement best describes a characteristic of a relational database?
A relational database is a type of database that stores and provides access to data points that are related to one another. Relational databases are based on the relational model, an intuitive, straightforward way of representing data in tables. In a relational database, each row in the table is a record with a unique ID called the key. The columns of the table hold attributes of the data, and each record usually has a value for each attribute, making it easy to establish relationships among data points.
The relational database is basically used as the set of the table in which the data can be easily accessible without any re-organizing of the table in the database. In the structured query language (SQL), the relational database is used as the standard users and API ( Application programming interface). The relational database is basically needed to store the information or data in the form of tables. Due to the relational database, we can easily compare the data or information because the data are arranged in the form of columns
Database tables
In a relational database, all data is held in tables, which are made up of rows and columns. Each table has one or more columns, and each column is assigned a specific datatype, such as an integer number, a sequence of characters (for text), or a date. Each row in the table has a value for each column.
A typical fragment of a table containing employee information may look as follows:
emp_ID emp_lname emp_fname emp_phone
10057 Huong Zhang 1096
10693 Donaldson Anne 7821
The tables of a relational database have some important characteristics:
1. There is no significance to the order of the columns or rows.
2. Each row contains one and only one value for each column.
3. Each value for a given column has the same type.
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Is cpu a computer brain. discuss?
yes it is a computer brain
50 points and brainlist What is the return type of the String class toUpperCase() method?
int
double
boolean
String
void
Answer:
Int
Explanation:
What are type of main protocol?
Information illegally or do damage is known as in IT
A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a Hacker.
Who is a Hacker?A hacker is someone who utilized their knowledge to break into someone else's computers in order to steal information or do harm.
Although the phrase initially referred to a shrewd or knowledgeable coder, it is today more frequently used to describe someone who can access other computers without authorization.
Hacking. In computer science, the term hack implies to use a computer or other technological equipment or system to be able to get an into an unauthorized system to data owned by another person or organization.
Therefore, based on the above, A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a Hacker.
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A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a
Write a class encapsulating the concept of an investment, assuming
that the investment has the following attributes: the name of the
investor, the amount of the investment, and the static interest rate at
which the investment will be compounded. Include a default
constructor, an overloaded constructor, the accessors and mutators,
and methods, toString() and equals(). Also include a method returning
the future value of the investment depending on how many years
(parameter to this method) we hold it before selling it, which can be
calculated using the formula:
Future value = investment(1 + interest rate )year
We will assume that the interest rate is compounded annually. Write a
client class to test all the methods in your class and print out the tuture
value of and investment for 5, 10, and 20 years.
A class encapsulating the concept of an investment, assuming that the investment has the following attributes is given below:
The Programimport java.util.Scanner;
/**
This program compares CD /Investment plans input by the year
broken down by the requirements below:
This program creates a table of compound interest investment growth over time
Broken down by: a) year b) balance at end of year
Finance formula of A= P(1+ r/n)^n*t is used:
A = Future Value | P = Initial Investment
r = annual interest rate |n = times interest is compounded/year
t = years invested
*/
public class InvestmentTableFirstTest
{
public static void main(String[] args)
{
Scanner in = new Scanner(System.in);
String bestBankName = "";
double bestGrowth = 0;
boolean done = false;
while(!done)
{
System.out.print("Plan name (one word, Q to quit): ");
String bankName = in.next();
if (bankName.equals("Q"))
{
done = true;
}
else
{
System.out.print("Please enter your principal investment: ");
final double PRINCIPAL_INVESTMENT = in.nextDouble();
System.out.print("Please enter the annual interest rate: ");
double iRate = in.nextDouble();
System.out.print("Please enter number of times interest is compounded per year: ");
final double INCREMENT = in.nextDouble();
System.out.print("Enter number of years: ");
int nyears = in.nextInt();
iRate = iRate/100; System.out.println("iRate:" + iRate);
//Print the table of balances for each year
for (int year = 1; year <= nyears; year++)
{
double MULTIPLIER = INCREMENT * year;
System.out.println("Multiplier: " + MULTIPLIER); // I've included this print statement to show that the multiplier changes with each passing year
double interest = 1 + (iRate/INCREMENT);
double balance = PRINCIPAL_INVESTMENT;
double growth = balance * Math.pow(interest, MULTIPLIER);
growth = growth - PRINCIPAL_INVESTMENT;
balance = balance + growth;
System.out.printf("Year: %2d Interest Earned: $%.2f\t Ending Balance: $%.2f\n", year, growth, balance);
if (bestBankName.equals("") || bestGrowth > growth) // || bestBankName > growth
{
bestBankName = bankName; // bestBankName = bankName
bestGrowth = growth; // mostGrow = growth
}
System.out.println("Earning with this option: " + growth);
}
}
}
System.out.println("Best Growth: " + bestBankName);
System.out.println("Amount Earned: " + bestGrowth);
}
}
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Which of the following networking device can be used to implement access lists, dynamic routing protocols, and Network Address Translation (NAT)?
The networking device that can be used to implement access lists, dynamic routing protocols, and Network Address Translation (NAT) is a router. The correct option is a.
What is a router?On computer networks, a router receives and sends data. Routers are frequently mixed up with network hubs, modems, and network switches.
Routers, on the other hand, can combine the functions of these components and connect with these devices to improve Internet access or assist in the creation of business networks.
Wired routers, wireless routers, core routers, edge routers, and VPN routers are all types of routers.
A router can implement access lists and dynamic routing protocols.
Thus, the correct option is a.
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Your question seems incomplete, the missing options are:
a. Router
b. Layer 2 Switch
c. Hub
d. Layer 3 Switch
If a review of a system reveals an increased sensitivity or criticality associated with information aggregates, then the system security objectives:
If a review of a system reveals an increased sensitivity or criticality associated with information aggregates, then the system security objectives option c: should be increased.
What is system security objectives?Information security is one that has three primary goals, namely
ConfidentialityIntegrity, Availability.It is nearly often mentioned in relation to the security of computer networks and systems.
System security refers to the measures that a company takes to protect its networks and resources from disruption, interference, as well as malicious intrusion.
Therefore, If a review of a system reveals an increased sensitivity or criticality associated with information aggregates, then the system security objectives option c: should be increased.
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If a review of a system reveals an increased sensitivity or criticality associated with information aggregates, then the system security objectives:
Should remain the same
Should be lowered
Should be increased
Should be reevaluated
What type of computer program takes a high-level language and turns it into assembly code?
Answer: Compilers
Explanation:
What Is Used To Identify Spelling errors in the document?
Answer: Spell check
Explanation: Spell check identifies and corrects misspelled words. It also allows you to search a document yourself for words you've misspelled.
A database management system (DBMS) is important to modern organizations because:
Answer: It is important for both the generation and maintenance of data, take apple, for example, they use a DBMS to manage any incoming data, organize it, and that DBMS also allows the data to be modified or extracted by other users of the DBMS.
Explanation:
This is your code. >>> a = [5, 10, 15] >>> b = [2, 4, 6] >>> c = [11, 33, 55] >>> d = [a, b, c] d[0][2] is .
The value of d[2][0] value of your code is 11.
What is coding?Coding, also known as computer programming, is the method by which we communicate with computers.
Code tells a computer what to do, and writing code is similar to writing a set of instructions. You can tell computers what to do or how to behave much more quickly if you learn to write code.
A variable called an is declared, and it contains an array of the numbers 5, 10, and 15.
Variable b is a collection of the numbers 2, 4, and 6.
Variable c is also made up of the numbers 11, 33, and 55.
d[2][0] simply means that we should take the d variable, find the index 2 (which is c), and get the index 0 of c. The result should be 11 because index zero of variable c is 11.
Thus, the answer of d[2][0] is 11.
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In MakeCode Arcade, the space where you drag code blocks to build your
program is called the.
A. Workspace
In +MakeCode Arcade, the space where you drag code blocks to build your program is called the workspace. The correct option is C.
What is MakeCode Arcade?Microsoft MakeCode Arcade is a beginner-friendly web-based code editor for creating retro arcade games for the web and dedicated hardware.
As is customary with MakeCode, you can build your program in your browser using blocks or JavaScript.
JavaScript and the Static TypeScript language are used in the Microsoft MakeCode programming environment.
The workspace is the area in MakeCode Arcade where you drag code blocks to build your program.
Thus, the correct option is C.
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Your question seems incomplete, the missing options are:
A. Game simulator
B. Image editor
C. Workspace
D. Toolbox
You want to save a file to your desktop so no one will be able to you to make changes what do you use copy or move
Answer:
Copy
Explanation:
You replace an internal drive that is only used to backup data on a computer. Before you
install the case cover, you power on the computer and observe the disk drive lights are not
blinking. You suspect it may not be receiving power, but cannot find the power supply tester.
How can you quickly verify whether power is being supplied to the disk drive?
The way to quickly verify whether power is being supplied to the disk drive is through the use of a multimeter.
How do you check your power supply?There are different ways to know if power is entering your system. A person can be able to check the power supply on their computer by removing the side panel that pertains to its case.
Note that when a person bought any kind of rebuilt computer, you are able to likely check the power supply with the use of the computer's manual or by asking or contacting the manufacturer.
Therefore, based on the above, The way to quickly verify whether power is being supplied to the disk drive is through the use of a multimeter.
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Describe the functional components of computer system
The different components of computers are as follows:
1. Input Unit: These are very essential parts of computers. These are used by us to feed the input into the computers. For example, a mouse, keyboard, and joystick are the input devices.
2. Output Unit: These output units are used to get output from the computers. When we give input the computer process it and then gives output by the output units.
Ex: Monitor, printer
3. Storage: These are used to store the data in the computers. Examples are hard disk, pen drive, compact disc
4. Central Processing Unit: The CPU is also called as brain of computers. It is responsible for every operation on the computer.
5. Arithmetic logic unit: It processes the arithmetic operations in the computer.
I need the user to type 17 OR 18 and if they type a different number the computer should say error else it should say thanks
if Age !="17" or "18" :
print("Error please try again")
elif Age == "17" or "18":
print("thanks")
The output for the first condition would be thanks while the one when age is not 17 or 18 would be error please try again.
What is the else if (elif statement)?This is the statement that is used in programming which tells the computer to fulfill another condition if the first condition that it was given is unmet.
Here the first condition is to type 17 or 18 as age.
This would be
If Age == "17" or "18"
print ("thanks")
The output would be thanks if the age falls under the condition of 17 or 18.
Next we are to get what happens if age is not 17 or 18
elif age != "17" or "18"
print("Error please try again")
The output that we would have here if the first condition is unfulfilled would be error try again.
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A(n)______protects your device against unauthorized access.
A. Virtual machine
B. User account
C. Personalization app
D. Administrative tool
A User account protects your device against unauthorized access.
What is user account and its example?A user account is known to be a kind of online account that gives one room or does not allow a user to be linked to a network, another computer, or any other thing.
Note that any network that has multiple users requires one to have user accounts and as such, A User account protects your device against unauthorized access.
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factors that determine the speed of your computer
Answer:
NUMBER OF CORES (PROCESSORS) The CPU is where you'll find the processing units, each one known as a core, MULTIPLE APPLICATIONS AFFECTING COMPUTER SPEED, GRAPHIC CARD TYPE.
Explanation:
In 1645, a German Jesuit priest invented an image projection device, which he
called a:
O phantasmagoria.
O zoopraxiscope.
Othermoscope.
O magic lantern.
In 1645, a German Jesuit priest invented an image projection device, which he called magic lantern.
What was the Magic Lantern?This is known to be the very fist initial attempt to be able to project drawings that were known to be in motion.
It was said to be one of the initial kinds of the modern slide projector, that was said to have projected an image that has been depicted on a glass plate.
Therefore, In 1645, a German Jesuit priest invented an image projection device, which he called magic lantern.
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Answer: magic lantern
Explanation:
What web frameworks is the best
Based on my own experience, the web frameworks that is known to be the best are:
Express.Django.Rails.Laravel.What is meant by a web framework?A web development framework is known to be a composition or a group of resources as well as tools that are known to be used by software developers to be able to build as well as manage web applications, web services and also the creation of websites.
Therefore, based on their quality, one can say that the above mention are the best.
Hence, Based on my own experience, the web frameworks that is known to be the best are:
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What type of software allows users to perform general purpose tasks, like web browsing, typing documents, or gaming?
application software
utility software
system software
antivirus software