Answer:
There is a need for a microphone and a speaker in the form of a headset for privacy, also, the conventional keyboard and monitor screen. For information security, a configured firewall is recommended to prevent hacking.
Explanation:
Input and output devices are tools used by an operator of a computer device to give instructions and monitor results respectively.
Jason would need a headset, which has a speaker for hearing and a microphone for speaking to the client on a video conference call. These I/O devices are readily available on some personal computers. Every computer system has a keyboard and a monitor, this is also useful for Jason for communicating with his client.
Answer:
1. Receipt printer
Use of receipt printer:
i. They are used to print customer transaction receipts for proof.
2. Touch screen monitor
Use of touch screen monitor:
i. Allow record of when, where, price, and other important information about the sale conducted.
Explanation:
A Point of sale (POS) terminal takes record of transactions at the point where a product is purchased or a service is rendered. A barcode reader is a price scanner that is an input device used in a point-of-sale (POS) terminal. The keyboard is also an input device. The receipt printer is an output device since it converts information into a readable format. While only a touch screen monitor among the other devices mentioned above is an input and output device, because of its touch panel and its ability to display information.
Answer:
The pseudocode is as given below while the flowchart is attached.
Explanation:
The pseudocode is as follows
input customer name, number of texts
Set Basic bill=5 $;
if the number of texts is less than or equal to 60
Extra Charge=0;
If the number of texts is greater than 60 and less than 200
number of texts b/w 60 and 200 =number of texts-60;
Extra Charge=0.1*(number of texts b/w 60 and 200);
else If the number of texts is greater than 200
number of texts beyond 200 =number of texts-200;
Extra Charge=0.25*(number of texts beyond 200)+0.1*(200-60);
Display Customer Name
Total Bill=Basic bill+Extra Charge;
Total Bill after Tax=Total Bill*1.12;
