Answer:
The main difference between second generation (2G) and third generation (3G) technology is data. 2G services were developed with mostly voice services in mind, but are capable of providing relatively slow (14.4kbps) speed data services.
Answer:
sequential files
Explanation:
Q:
Data files whose records are always retrieved in sequence from the beginning of the file are
A:
sequential files
1. a.
2. d
3. b
I hope this helps
Answer:
Explanation:
The following code is written in Python and is a function that loops three times asking for the last name and first name. Then it uses this information to create a username. Finally, each of the names and usernames is printed on the screen.
def userName():
for x in range(3):
last_name = input("What is your last name: ")
first_name = input("What is your first name: ")
username = first_name[:3] + "#" + last_name[-3:]
print(last_name + ", " + first_name)
print(username)
