Answer: Software testing can be referred as an as activity that one execute in order to verify whether the results match expected results and also to make sure that software system is without any defect. It also tends to involve execution of few software component in order to evaluate several properties. This majorly helps to identify gaps, error or requirements that are missing in respect to actual requirements.
Answer:
Phishing
Explanation:
Phishing is one of the most common social engineering attacks in which the attacker disguises to be a trustworthy personnel in order to lure the victim or target into disclosing sensitive information such as passwords, credit card details and so on.
Phishing could be carried out via emails, telephones, or even text messages.
In this case, the attacker pretends to be an IT tech in order to get your computer configuration details which he can then use to carry out some other fraudulent acts.
Another example is in the case of someone receiving an email from their bank requesting that they need to update their records and need the person's password or credit card PIN.
Answer:
Nanoparticles do hold out much environmental promise. The same reactivity that makes them harmful in the body also means they can break down dangerous chemicals in toxic waste – or anywhere, for that matter. And their use in electronics drastically reduces power demand, which could cut greenhouse gases.
<u>Answer:</u>
<em> </em><em>Modem is an hybrid device,</em><em> which is responsible for modulating and demodulating information. </em><em>It is a transmission medium and also it is a hardware tool used for connecting to internet.</em>
<u>Explanation:</u>
What is modulation?, let us understand. The <em>process of converting analog to digital signal is called modulation and demodulation is vice-versa.</em> The computer connects internet classically using telephone wire.
The <em>telephone wire understands only analog signal and a computer understands only digital signal.</em> So Modem’s role is to take care of this aspect while <em>connecting to the internet.</em>
Answer: I think is 3. They acquired cable channels. They acquired cable operators.
Explanation:
