A bar code is a series of bars and spaces representing numbers or letters.
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Explanation:</u></h3>
A method that is used for the purpose of representing a data in the form of a picture or image that can be easily understood by the machine. It consists of many lines that has different widths and spaces. They either represent the letter or a number. These are mainly used for the representation of data in the machine understandable format.
For example an UPC-A bar codes has 12 numbers. The numbering system is represented by the first digit. The manufacturer will be represented by the next five digits in it. The product will be represented by the five digits following it. Check digit is represented in the last digit.
Answer:
This is not a good solution
Explanation:
Your web browser uses port 80 outgoing to make web requests, so if you’re blocking incoming port 80, all you’re blocking is users of the organization from connecting to the internet. You have indeed close a vulnerable port to access from hackers, but this also can reduce the productivity of the organization.
21...............................
Explanation:
See the attached image for The interface (.h file) of a class Counter
mbly code to implement the y=(x1+x2)*(x3+x4) expression on 2-address machine, and then display the value of y on the screen. Assume that the values of the variables are known. Hence, do not worry about their values in your code.
The assembly instructions that are available in this machine are the following:
Load b, a Load the value of a to b
Add b, a Add the value of a to the value of b and pla
