Answer:
Her computer is producing thermal energy, not heat.
Explanation:
Shelly informs her friend that she wants to repair her system because it has generated a lot of heat and therefore is smoking. Her device produces thermal energy but not heat because when she's working continuously and her system's CPU inside any blocked area at that time electricity pass through the CPU and blocked inside then it producing the thermal energy.
The statement is true about biometrics as an authentication method in options b and c.
<h3>What is Biometrics?</h3>
Biometrics is the measurement worried in measuring behavior or physiological traits of the human being. It is used for verifying the identification of a specific man or woman. It is probably operated in modes, particularly authentication and enrollment.
The complete question is :
Which of the following are true in biometric systems?
- a. For authentication application, a user template is compared against a single template stored in the database.
- b. For verification/identification application, a user template is compared against all the templates stored in the database.
- c. Multimodal biometrics is used to improve accuracy.
- d. None of these.
In the first mode, the facts is used and proven to test who the man or woman is. The second mode is obtaining the man or woman's facts and storing it in a database. Usually, multi-version biometrics are used for enhancing popularity accuracy.
Read more about the authentication :
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Answer:
Following are the statement is given below
if(updateDirection ==1) // check condition
{
++numUsers; // increments the value
}
else
{
--numUsers; // decrement the value
}
Explanation:
Following are the description of statement
- Check the condition in the if block .If the "updateDirection" variable is 1 then then control moves to the if block otherwise control moves to the else block statement.
- In the if block the statement is "++numUsers" it means it increment the value by 1 .
- In the else block the statement is "--numUsers" it means it decrement the value by 1 .
