When a number gets assigned to a variable that already has a value __________?

Answers

Answer 1
A already assigned variable cannot be assigned twice You can make the variable change over to a new one or call a whole new one to assign one without a value or It might be possible to do v=n (v is variable and n is number / value)

Related Questions

Describe how place value is used in the binary number system. How is it similar or different from the way place value is used in the base 10 number system?

Answers

The binary number system is also referred as base-2 numeral system. The numeric values in the binary system are represented with only two symbols "0" and "1". The base 10 number system on the other hand is the usual number system that uses decimal numbers.
In the binary system the number to the left of the point is a whole number and every number further left gets 2 times bigger. The first digit on the right means halves and every number further right is 2 times smaller.
In the base 10 system number greater than 1 appear to the left of a decimal point. Values that are a fraction appear to the right of the decimal point. Every number further  left is 10 times bigger, and right 10 times smaller.







___ software creates a personal security zone around your computer by monitoring all incoming and outgoing traffic and blocking any suspicious activity.â

Answers

It is known as the firewall software. A firewall is a program or gadget that goes about as a boundary to keep ruinous components out of a system or particular PC. Firewalls are arranged with particular criteria to square or forestall unapproved access to a system.

Write multiple if statements. if caryear is 1969 or earlier, print "probably has few safety features." if 1970 or higher, print "probably has seat belts." if 1990 or higher, print "probably has anti-lock brakes." if 2000 or higher, print "probably has air bags." end each phrase with period and newline. ex: caryear = 1995 prints:

Answers

if( caryear >= 2000 ):
    print "probably has air bags.\n"
elif( caryear >= 1990 ):
    print "probably has anti-lock brakes.\n"
elif( caryear >= 1970 ):
    print "probably has seat belts.\n"
else:
    print "probably has few safety features.\n"

Answer:

if (carYear <= 1969) {

        System.out.println("Probably has few safety features.");

     }

if (carYear >= 1970) {

        System.out.println("Probably has seat belts.");

     }

if (carYear >= 1990) {

        System.out.println("Probably has anti-lock brakes.");

     }

if (carYear >= 2000) {

        System.out.println("Probably has air bags.");

     }

Explanation:

Diagnosing is solving the problem, and troubleshooting is figuring out what the problem is.

True or False

Answers

Diagnosing is figuring out the problem and what caused it whereas troubleshooting is trying different solutions and checking if they work for a problem

It is false that diagnosing is solving the problem, and troubleshooting is figuring out what the problem is.

What is troubleshooting?

Troubleshooting is a methodical approach to problem solving that is frequently used to identify and resolve problems with complex machines, electronics, computers, and software systems.

Troubleshooting is a type of problem solving that is frequently used to repair broken products or processes on a machine or system.

It is a logical, systematic search for the source of a problem in order to solve it and re-establish the product or process. To identify the symptoms, troubleshooting is required.

Diagnostics is the process of testing a computer hardware device or software program to ensure that it is functioning properly.

Diagnosis is the process of determining what the problem is. whereas troubleshooting is the way of resolving a problem.

Thus, the given statement is false.

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Which type of account will typically have the highest interest rate? A Savings Account B Certificate of Deposit (CD) C Money Market Account D Checking Account

Answers

Answer

Certificate of Deposit (CD)

Explanation

Certificate of deposit is a savings certificate which has a fixed maturity date. In certificate deposit the interest rate rate is fixed and there is penalty if you withdraw funds before maturity ans this may lead to inflation in your savings. Compared to other saving accounts like Savings Account,Money Market Account,Checking Account among others, Certificate deposit typically have highest rate interms of interest.

The correct option is Certificate of Deposit (CD).

Further Explanation:

Certificate of Deposit (CD) usually provides more interest rate than other type of accounts. These are similar to saving accounts but having fixed duration like 6 months, 1 year, 2 years or 5 years etc. Depositors generally get more interest than other saving accounts but if they withdraw money than they will have penalty usually in the form of low interest rates.

A saving account provides you the interest on money you have saved for the future. The interest rates are vary for different account types.

Money market accounts are similar to the saving accounts but they have a preset minimum account balance limit. If you don’t have minimum required balance than they will penalize you.  

Checking accounts provide you the easy access for your money on daily basis and make sure that your cash is secure. They generally provide you the debit cards for money transaction or bill pay.

Learn more:

1. Learn more about the property tax

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2. Learn more about the tax on revenue from property

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3. Learn more about the personal tax

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Answer details:

Grade: High School

Subject: Business

Chapter: Banking System

Keyword:

Saving accounts, certificate of deposit, CD, money market account, checking account, account balance, minimum, highest rate of interest, bank, credit card, debit card, net banking, mobile banking, one time password, account number, saving accounts, current account, high rates, physical location, cheque, withdrawal, deposit, services, cash

State College charges its departments for computer time usage on the campus mainframe. A student had access to the university computer system because a class she was taking required extensive computer usage. The student enjoyed playing games on the computer and frequently had to request extra computer funds from her professor in order to complete her assignments.

The student’s use of the computer to play games was: (ethical or unethical because....)

Answers

It is ethical for her to do her schoolwork on the computer, but it was unethical to use her allotted time to play games, which led to her having to request more time on the computer. If she wants to play games, she should get her own computer or device to play games on

The student’s use of the computer to play games was unethical because he or she has misuse the aim of what the computer was set for in the school.

What are Unethical behavior?

This is known to be any actions done by a person that are known to be against social beliefs or unacceptable things.

Conclusively, note that this is an academic setting and as such, the student’s use of the computer to play games was unethical because he or she has misuse the aim of what the computer was set for in the school.

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All of the following are examples of a web application except for ______.


A) Pixlr


B) Facebook


C) Google Docs


D) Microsoft Word

I've been trying to figure out this question, but I've only found that they all are web applications.

Answers

B isn’t a web application, it is a social media

How would you execute a script named testscript from the command line?

Answers

If it's in the same directory that I'm presently in:

./testscript

If it's in a directory on your PATH variable:

testscript

Otherwise it's just as easy to use it's absolute path:

/path/to/testcript

Which will not increase demand for desktop computers?
a. an increase in the incomes of computer users
b. cool new computer games
c. dell computers going out of business
d. the price of notebook computers is increasing?

Answers

Dell computers going out of business isthe right answer.

Final answer:

Dell computers going out of business will not inherently increase demand for desktop computers, as this scenario impacts supply rather than demand. Increases in consumer income, the release of new computer games, or rising prices of notebook computers generally lead to increased demand for desktops. The correct answer is c, Dell computers going out of business.

Explanation:

Factors Affecting Demand for Desktop Computers

When examining the factors that can increase demand for desktop computers, we can consider several scenarios. An increase in the incomes of computer users (option a) is typically associated with a rise in demand, as people have more spending power to purchase goods. Similarly, the release of cool new computer games (option b) can drive demand as these games may require advanced computer hardware that is commonly found in desktop computers.

However, Dell computers going out of business (option c) would likely reduce the supply of computers from one major manufacturer, but it may not directly increase demand for desktop computers from other brands. Although the competition is reduced, it could lead to a scenario where remaining manufacturers can fill the gap, or consumers may switch to alternative devices, such as laptops or tablets.

Lastly, if the price of notebook computers is increasing (option d), this may cause a substitution effect where consumers opt for desktop computers as a more affordable alternative, leading to an increase in demand for desktops. Hence, option c, Dell computers going out of business, is the one that will not inherently increase demand for desktop computers.

What command do you type in the search box to access the command line intrface in windows?

Answers

cmd.exe



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What machine is considered by many to be the first all-programmable electronic digital computer?

Answers

The machine is called Colossus worked by Thomas Flowers in the year 1943. Colossus was the world's first programmable electronic computerized PC. English codebreakers utilized Colossus to peruse German coded radio messages amid World War II. Their plan, which was called "Goliath" utilized many vacuum tubes. The main machine, Mark 1, worked in December 1943.

The disk drive is a secondary storage device that stores data by _____ encoding it onto a spinning circular disk.

Answers

magnetically





------------------------------

The disk drive is a secondary storage device that stores data by magnetically encoding it onto a spinning circular disk.

Disk drives store data by magnetically encoding it onto a spinning disk. This method uses magnetic fields to represent binary data. This technology is essential for efficient data storage and retrieval. Disk storage is a category of storage mechanisms where data is recorded by various changes to a surface layer of rotating disks.

Magnetic Encoding

Information on modern hard drives is stored in binary form using magnetic fields. The disk is coated with a magnetic film, and data is written using a write head that magnetises small regions of this film either parallel or antiparallel to the disk's velocity. Older technologies like floppy disks used similar magnetic encoding techniques. Data density on these disks can reach very high levels, often measured in bits per square inch.

Which type of memory is used as the working storage space of the computer?

Answers

Answer:

Primary storage

Explanation:

Primary storage (also known as main memory, internal memory, or prime memory), often referred to simply as memory, is the only one directly accessible to the CPU. The CPU continuously reads instructions stored there and executes them as required. Any data actively operated on is also stored there in uniform manner.

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