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.
<span>An organization that sets standards for computer networking and wireless communications.</span>
I would have to say it would be a PDA, because they generally arent much bigger than a cell phone. at least mine is pretty small anyway. there are certain brands that make larger ones almost the size of a tablet, but in general terms, PDAs are usually pretty small. hope this helps.
Answer: See explanation
Explanation:
• Font size: The font size used matters a lot in order to enhance readability. The ideal font size should be 16 pixel for the main body text. This is vital in order to help enhance readability. It should be noted that a don't size that is lower or higher than that can lead to challenges with readability.
• Graphics and animation: Using of exciting graphics and animations on a website can help in giving the web page a good look, help in grabbing the attention of the user, and also increase engagement.
• Use of colours: The color chosen also helps to give a web page a good look. It should be noted that when choosing colors, it is ideal to choose two or at most three colors to use for a web page. Mixing different colors or using very bright colors is typically a turn off.
