TECH

                                What is blockchain technology Blockchain is a record-keeping technology designed to make it impossible to hack the system or forge the data stored on the blockchain, thereby making it secure ad immutable. it' s a type of distributed ledger technology a digital record-keeping system for recording transactions ad related data in multiple places at the same time. Blockchain is also considered a type of database,but it differs substantially from conventional databases in how it stores ad manages information. Instead of storing data in rows,columns, tables and files as traditional databases do, blockchain stores data in blocks that digitally chained together. In addition,a blockchain is a decentralized databases managed by computers belonging to a peer-to-peer network instead of a central computer like in traditional databases. Blockchain technology is a distributed, decentralized ...

                            What is Mobile Phone A mobile phone is a wireless handheld device that allows users to make and receive calls.While the earliest generation of mobile phones could only make ad receive calls, today's mobile phone do a lot more accommodating web browsers, games, cameras, video players and navigational systems.   The first mobile phones, as mentioned, were only used to make and receive calls, and they were so bulky it was impossible to carry them in pocket. These phones used primitive RFID and wireless systems to carry signals from a cabled PSTN endpoit. Most of these MMS-capable devices were also equipped with cameras,which allowed users to capture photos, add captions, and send them to friends and relative who also had MMS-capable phones. 1. Smartphone 2. iPhone 3. Android 4. Samsung 5. Apple 6. Google 7. Mobile device 8. Cell phone 9. Touchscreen 10. iOS 11. Operating system 12. App 13...

                   Computer Information: Define:               An electronic device for storing and processing data , typically in binary form according to instructions give to it in a variable  program . Introduction:                                  A computer is a device that accepts   (in the form of  ) and manipulates it for some result based on a  , or sequence of instructions on how the data is to be processed. Complex computers include the means for storing data (including the program, which is also a form of data) for some necessary duration. A program may be invariable and built into the  (and called  logic circuitry  as it is on microprocessors) or different programs may be provided to the computer (loaded into its storage and then started by an administr...