Answer:
Required code is given below:
Explanation:
def add_to_dict(dictt, key,value):
if key in dictt.keys():
print("Error. Key already exists.")
else:
dictt[key]=value
return dictt
def remove_from_dict(dictt,key):
try:
dictt[key]
dictt.pop(key, None)
return dictt
except KeyError:
print("No such key exists in the dictionary.")
def find_key(dictt,key):
try:
value=dictt[key]
print("Value: ", value)
except KeyError:
print("Key not found.")
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.
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Explanation:
I dont have Instagram....