Blog

What is current sourcing and sinking? Two terminals are associated with every I/O point. Source current is the ability of the digital output/input port to…

How do I switch Users on a locked computer? Option 2: Switch Users from Lock Screen (Windows + L) Press the Windows key + L…

Can rollup remove duplicates? I read from archives that rollup can also used to eliminate duplicate(As Dedup sort) records from input data. How can we…

When I plug my iPhone into my Mac it says no photos? Unplug your iPhone, and quit iPhoto/Photos as well as iTunes. Then plug the…

Can you use hyphens in Web addresses? Using a Dash or an Underscore in Urls: What You Need to Know No, it’s not possible for…

What is a CDN in SEO? SEO basics: What is a content delivery network (CDN)? 29 May 2018 | 22 Comments | Tags SEO Basics,…

How do you send an email that is in draft? Using a Draft to Compose a Mail Message Choose New Message from the Compose menu.…

How do you format a post? Here are 12 of the most effective writing and formatting tactics to give you a head start. Take the…

How does a relay device work? In a normally open relay, power flows through an input circuit, activating an electromagnet. This generates a magnetic field…

Are light bulbs in series or parallel brighter? Two light bulbs on the same series circuit share the voltage of the battery: if the battery…