Block Diagram of Ordering Pizza

1)
The following block diagram of “ordering pizza” has shown in figure 1.
The guest finds telephone no from a web site, which is mentioned on the website.
Now, the guest dilled telephone number and he hears the tone of dialling.
The guest started a conversation with the host. The host asks how I may help you. The guest
requests for pizza, the host explain a menu of pizza according to pizza size and price. After
listing the guest, he selects pizza according to the menu.
Now, the guest has confirmed the pizza. The host takes an order and makes calls to the nearest
pizza centre to place the order on behalf of from guest. Now the host takes the address and
telephone number and payment methods, the payment was done at the time of pizza delivery.
This information has given to order clerk.
Now, the order clerk takes order from the host. The order clerk makes to call to pizza cook for
this order.
The pizza cook prepares for hot pizza. Now, this pizza has given to order clerk, he attached
payment receipt and address to the pizza box. Now, pizza was ready to deliver. The delivery
boys come and pick the order and delivery for specific address location and collect the cash from
guest and give order to the guest.
2)
The following block diagram of “the French and the Chinese ministers” conversation has shown
in figure 1.

The French prime minister directly conversation with the Chinese prime ministers has shown
above.
The Chinese prime minister has speck with the translator, who can translator chine to the French
language and send information through telephone. This information has given to the French
prime ministers.
If the French prime minister speaks with the chemises prime ministers then he can use as a
translator, who can converts French to Chinese language and send details to Chinese prime
minister and vice versa? This complete conversation had through telephonic.
3)
Consider the signal as shown in figure 3a.
Figure-3a
We can determine the amplitude, time period, frequency and phase angle from the waveform.

Consider the signal as shown in figure 3b.
Figure 3b
Consider the amplitude, time period, frequency and phase angle from the waveform.
Consider the signal as shown in figure 3c.
Figure 3c

Consider the amplitude, time period, frequency and phase angle from the waveform.
4)
a)
Consider the trigonometric wave expression has shown in figure 4a.
b)
Consider the trigonometric wave expression has shown in figure 4b.