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:
Damage and chaos. ...
An ego stroke. ...
Monetary or information gain. ...
Stealth. ...
Prevention.
To take control of a computer and use it for specific tasks.
To generate money.
To steal sensitive information (credit card numbers, passwords, personal details, data etc.)
To prove a point, to prove it can be done, to prove ones skill or for revenge purposes.
To cripple a computer or network.
Explanation:
Answer:
a study schedule.
Explanation:
A plan to budget time for studying and activities is referred to as a study schedule. A study schedule is mostly designed by a student and it comprises of their learning goals and objectives, as well as allocated time to start and complete.
The main purpose of a study schedule is to avail students the opportunity to maximize their time and improve their ability to study by themselves through an organized schedule for specific subjects, courses or class.
Answer:
an error message
Explanation:
The return value is the value which is sent back by the function to a place in the code from where the 
was called from. Its main work is to return a value form the function.
In the context, the form of "(symbol-length? 'James)" in Scheme will return the value --- ' an error message'.
