A pro of HCI technology is that its user friendly and a con about it is that you have to teach the user what to do or guide them!
Answer:
Option d) B is 1.33 times faster than A
Given:
Clock time, 
No. of cycles per instructions, 
Solution:
Let I be the no. of instructions for the program.
CPU clock cycle, 
= 2.0 I
CPU clock cycle, 
= 1.0 I
Now,
CPU time for each can be calculated as:
CPU time, T = 
Thus B is faster than A
Now,
Performance of B is 1.33 times that of A
Explanation:
The second for loop does 1 of 4 iterations for every 1 of 5 iterations of the parent loop. meaning it is 4 x 5 which is 20.
Three Primary Components of an Inbox:( 8 Components of an effective Email.).
Answer:
1: From Label
2: Subject Line
3: Pre- Header
4: Content
5: Call to action
6: Images'
7: Social Media Buttons
8. Unsubscribe Option
Commerce Server
An application program that runs on a server tier computer. A typical commerce server obtains product data from a database, manages items in users' shopping carts, and coordinates the checkout process.
