Answer:
The old cathode Ray tube technology was replaced by the less bulkier and more modern liquid crystal display and LED technology.
Explanation:
The old cathode ray tube uses the principle of electrical discharge in gas. Electrons moving through the gas, and deflected by magnetic fields, strike the screen, producing images and a small amount of X-rays. The tube required more space, and consumed more electricity, and was very bulky. The modern technologies are more compact and consume less power, and can been designed to be sleek and less bulky.
Answer:
from socket import *
hostname = input('Enter the host to be scanned: ')
ip_add = gethostbyname(hostname)
connections = [ ]
for i in range(133, 136):
s = socket(AF_INET, SOCK_STREAM)
conn = s.connect_ex((ip_add, i))
print(conn)
connections.append(conn)
if 0 in connections:
print ('Host is online')
s.close()
else:
print ('system is unreachable')
Explanation:
The python source code above scans for all the available range of ports in the provided hostname, if any port is available, the host is online else the program print the error message "system is unreachable.
Answer:
Both
Explanation:
Batteries come in different sizes and configurations. This is evident in car batteries where third sizes vary from car to car depending on the space and manufacturer's discretion.
Thus, Both technicians are correct.
Cheers
Answer:
Great starter programming language. Overall very powerful but for beginners the more advanced characteristics like GUIs are too complicated. This is coming from personal experience and after first experiencing programming through Python, Javascript is my new favorite.
Explanation:
a great video by code camp titled "Learn Python - Full Course for Beginners [Tutorial]" is a great starting point!