Embedded computers are computers that are a part of a machine or device. Embedded computers generally execute a program that is stored in non-volatile memory and is only intended to operate a specific machine or device.
A hashtag is simply a keyword phrase, spelled out without spaces, with a pound sign (#) in front of it. For example, #InboundHour and #ChocolateLovers are both hashtags. You can put these hashtags anywhere in your social media posts: in the beginning, at the end, or anywhere in between.
Hash is a numeric quantity which identifies the signature of an object. Ideally every hash should only map to one and only one object. However, two objects can map to same hash. A function which produces Hash Values are called hash functions and are fundamental to system design, cryptography, compilers and other fields of CS.