| ENIAC was the first electronic computer. It weighed over 27 tonnes | History |
| The computer mouse was invented in 1964. The first one was made of wood | |
| Ada Lovelace was the first computer programmer. She lived in the 1800s | |
| Charles Babbage invented the parts for the modern computer in 1833 | |
| Johann Henrich von Muller designed a computer in 1786 but it was not built | |
| The first computer virus was created in 1971. It was called "The Creeper" | Viruses |
| The fastest spreading computer virus, created in 2004, was called MyDoom | |
| According to McAfee, 100,000 new malware programs are created every day | |
| 92% of malware comes by email so think twice before opening attachments | |
| In 2017 a computer virus hit the NHS causing £92 million of damage | |
| Until 2012 "password" was the most common password. It's now "123456" | Passwords |
| 59% of people have just one password which they use everywhere | |
| Just 20 passwords make up 10% of the millions in use | |
| The password to launch America's nuclear missiles was set to "00000000" | |
| In 1999 hackers logged into Hotmail accounts by using the password "eh" | |
| In 2015 hackers got records of every US govt employee for the past 50 years | Hackers |
| Computer security consultant Kevin Mitnick served 5 years in prison for hacking | |
| In 2016 a 15-year-old hacked the FBI and released information on its officers | |
| Julian Assange started hacking when he was 16 years old. His name was Mendax | |
| The personal information of 145 million eBay users was taken by hackers in 2014 | |
| Almost 3 million emails are sent every second. That's 250 billion a day! | Emails |
| On average people spend 5.4 hours a day checking emails | |
| 28% of emails are spam. In 2008 93% of emails were spam! | |
| Hotmail and rocketmail were the first free email providers, both launched in 1996 | |
| The first email was sent by engineer Ray Tomlinson in 1971 | |
| It used to be possible to set your language on Facebook to "pirate" | Websites |
| The search engine Google was originally called "BackRub" | |
| A man accidentally bought Google for $12. He owned it for one minute | |
| On average we spend 142 minutes a day on social media | |
| Facebook is the most popular social media site. It has over 2.5 billion users | |
| 92% of web developers are men according to a recent survey | Companies |
| Microsoft is the largest software company. In 2020 it made $138.6 billion | |
| Java is the most popular programming languages. 59% of developers use it | |
| Apple's original logo was Isaac newton leant against an apple tree. | |
| IBM was founded in 1896 with the name "Tabulating Machine Company" | |
| In the 2008 presidential election, Barack Obama advertised in 18 games | Games |
| A gene that separates your right brain from the left is called "sonic hedgehog" | |
| In 1993 Super Mario Bros. was the first video game to be made into a movie | |
| The Sega Saturn was the first console games could be saved on | |
| MUD (Multi-User Dungeon) was the first online game. It was created in 1978 | |
| The first wireless internet connection was developed in 1990 | Internet |
| By 2025 a total of 75.44 billion devices will be connected to the internet | |
| Items connected to the internet include umbrellas, cutlery and tails! | |
| We spend an average of 6 hours and 42 minutes online each day | |
| Google does 70,000 search queries every second or 5.8 billion per day | |
| Computers become hot as you use them, so they have fans inside to cool them | Hardware |
| The motherboard is arguably the most important piece of computer hardware | |
| The first computer with a built-in monitor was the Xerox Alto released in 1973 | |
| The first hard drive held 5MB of data. Modern ones hold 800,000 times more | |
| The first hard disk came out in 1980. It cost $40,000 and weighed 250 kg | |
