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This is a timeline of Scottish engineer and inventor John Logie Baird’s life, from 1888 to 1946. From his early experiments in transmitting moving images to the development of color and three-dimensional television, Baird's groundbreaking innovations revolutionized the entertainment and technology landscape, shaping our world today. Show Less
The architecture of the social internet itself tells us not to be patient - to load more tweets, to hit refresh for new posts, and to click the top search results. But just because information is new, or algorithmically determined to be most relevant to you, doesn't necessarily mean it's the best or most accurate. So today we're going to teach you some tips to exercise a little more click restraint on the Internet. Show Less
Once software has been created, it must be tested under different conditions to make sure it works. This can be achieved with white box, black box, unit, integration and system testing, as well as thorough planning and evaluation.
The number system that computers use is binary. Binary is a base-2 system as it only uses two digits, 0 and 1. A binary digit, or bit, is the smallest unit of data in computing. All data (music, images, software) processed by a computer is stored in bits. Any data or instructions sent to the CPU must first be changed into binary code, also known as machine code. Show Less
Software testing involves testing a program under various conditions to make sure it works. Even the best programmers make mistakes, so it is important that these are identified as soon as possible in the development stage so that errors can be fixed. Show Less
A basic explanation of what emails are, what the email address means and how they are sent and received. Email addresses have a domain name which is after the @ sign. The last part of the address indicates where the address is registered, such as .co.uk or .fr. Emails can be sent from an email client, which is software on a computer, or through web-based email clients that can be sent from anywhere with an internet connection. The outgoing mail server looks for the address of the inbound server. Protocols are rules that the computer follows. Simple Mail Transfer Protocol (SMTP) are the guidelines for sending mail, and Post Office Protocol (POP) are the guidelines for receiving mail. Show Less