Self-tutoring about Google search: the tutor mentions the minus sign. To exclude a term from the results of a search, you can key it in after a minus sign. Apparently, you need a space before the minus, but not after.…
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Category: internet
Internet security: closing browser after logout, part 1
Self-tutoring about internet security: the tutor continues about closing the browser after logging out. I begin in yesterday’s post about closing the browser after logging out, which numerous sites seem to encourage now. A relevant question seems to be, “Does…
Internet security: closing browser after logout: part 0
Self-tutoring about internet security: the tutor looks into advice he notices often. Lately I’ve oft noticed advice like “To complete logout please close your browser.” Why is such a follow-up required after logging out? One point I’ve seen mentioned is…
Internet: “Website unsafe” false warning
Self-tutoring about internet browsing: the tutor mentions a false positive, apparently from browser adware add-ons. A few days ago I was browsing the internet with ie11, on this Windows 7 PC. I keyed in a website name I visit all…
What does .za mean at the end of a domain name?
Self-tutoring about internet surfing: the tutor looks into the .za top level domain. .za means the website is from South Africa, according to my source. Source: www.zadna.org.za searchmicroservices.techtarget.com
Does having multiple tabs open affect speed?
Self-tutoring about technology: the tutor adds an observation about download speed related to multiple tabs open. For my phone, there doesn’t seem to be a consistent relationship between number of tabs open and download speed. With 8 tabs open it…
Internet: what is the difference between the deep web and the dark web?
More computer science self-tutoring: the tutor defines deep web vs dark web in order to clarify the difference. My understanding is that the web browsers people commonly use, find the sites they suggest by following links associated with words the…
Checking internet speed: fast.com
The tutor mentions fast.com, a convenient internet speed test. When I’m wondering how my wireless internet is performing, I point the browser to fast.com, by Netflix. fast.com loads with a number showing Mbps. I find it’s very useful for checking…
Technology: is the computer 5G compatible?
The tutor begins exploring the question of 5GHz capability. I have several computers. One shows the 5GHz network among those available, but the other doesn’t. Why? Apparently, the answer is in the hardware. Both computers are Windows 7. In the…
Internet: web proxies, part II: what is a transparent proxy?
The tutor continues coverage of web proxy terms. With yesterday’s post I began exploring the world of web proxies. In general, they are hardware or software entities that receive and pass on the requests and responses of internet communication. A…
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