What do you say about battery power consumption between a bluetooth headphone, home wireless phone, and a cellphone?
What do you say about battery power consumption between a bluetooth headphone, home wireless phone, and...
Compare the average battery power consumption between a bluetooth headphone, home wireless phone, and a cellphone.
Bluetooth wireless cell phone headsets operate in the 2.40 GHz frequency band. What is the wavelength of this radiation? [1 GHz = 1 × 109 Hz].
You have been consulted by the mobile phone company Hookup about a new augmented reality product called “Brows”. They want to develop an alternative to Google Glasses, which, you recall, is a proposed new product which plans to superimpose a whole range of wireless Google services over the user’s ordinary vision of the world. These appear in little circles and ovals, and let you phone people, take photographs, navigate across cities and inside buildings, find shops and update your social...
A typical cellular phone consumes an average of about 1.58 W of electrical power and operates on 3.80 V. (a) What average current (in A) does the phone draw from its battery? (b) Calculate the energy (in J) stored in a fully charged battery if the phone requires charging after 4.63 hours of use.
What do they say about the difference between killing and letting die?
Suppose you are considering a battery backup system for home solar power. You are offered two options: lithium-ion or lead-acid batteries. Give one argument in favor of each.
What are some of the important measures you can take to ensure that your home wireless network is safe and secure?
Why wireless links provide lower reliability compared to wired links? You turn on your phone and after few seconds you can see a list of available 802.11 networks. From the 802.11 protocol point of view, how does this happens? Ethernet and 802.11 are both data-link layer protocols designed for wired and wireless networks, respectively. Why a 802.11 receiver expects ACK reception while Ethernet does not have such requirement. Where CSMA/CD and CSMA/CA are used? and what are the differences? What...
You are helping a customer decide between the DSL and cable broadband solutions for home and small business use. What do you say is the biggest disadvantage of using cable for Internet access? A. Cable is more prone to service outages. B. Since cable also provides television and phone service, Internet access speeds are slow. C. Fitting a special coaxial cable connection to computers is expensive. D. You have to share the Internet bandwidth with the other cable users in...
What are the following and what do they do?. Memory footprint Cloud platform Power consumption Intelligent multidevice networks