Computers are something that we use in our daily lives. There was a time when they weren't a household electronic device but now they have become a daily requirement for kids, teenagers, housewives and office going people.
Evolution of Computers:
The first generation computers (1940) were big, slow, produced heat and made of vacuum tubes. The second generation was better and used magnetic core for processing. The third generation came with integrated circuits. Apple joined the computer brigade in the late 1970s. By the time 1980s arrived operating systems and LSIs and VSIs were being used. Linux arrived in 1990s while 2000s witnessed the age of tablets, smartphones and laptops.
Evolution of Tablet:
The first tablet was Z88 and it was invented in 1987. The second tablet was introduced in 1990 and it was named as Grin Pad. 1992 and 1993 gave Grid 2260 and AT & TEO respectively. The year 2000 bought a lovely wireless web pad called SONIC Blue Pro Gear. In 2005 Nokia launched its first Internet Tablet Nokia 770. Samsung then introduced its tablets in 2006 along with SONY. iPad was launched in 2010 along with Samsung Galaxy Tab. 2011 came and Apple launched iPad2.
Humans or Computers:
Humans have better vision, hearing and noise perceiving capability. But touch is something where touch screen computers are more sensitive. Computers provide speed reading, information storage and perform repetitive tasks.
Use of Tablets:
Ever since Apple launched its first tablet iPad business enterprises have been trying to incorporate the use of tablets for carrying out business activities, security features, flexibility, control features etc. because of their convenience in use. In U.S. 41% of working people have tablet and 1 out of every 3 customer has a tablet.
Storage Life of Computers:
The most popular and new age storage technology that is being used is cloud computing. This storage technology is great because it’s fast, easily accessible anywhere and anytime, reliable, redundant and provides infinite storage.
Computer Cat Proofing:
People who own cats have faced a situation where their cat has deleted something by walking over the keyboard. You should backup your computer daily if you have a cat. Tie loose ends and spray cat repellents to prevent your cat from chewing or electrocution.
The performance of computers can be measured on the basis of following metrics: speed, time, capacity, scalability, latency, availability, compression ratio, completion time and performance per watt.
Evolution of Programming Language:
- 1957- FORTRAN
- 1959- COBOL
- 1964- BASIC
- 1969- C
- 1970- PASCAL
- 1983- C++
- 1987- PERL
- 1995- JAVA and PHP and Java Script
Apple is the largest distributor of PCs or smart phones or tablets in America. It launches all hardware and software and apps in the market.
History of Linux:
It was introduced in 1971 by Richard Matthew Stallman and he published the GNU (General Public License) manifesto in 1985. In 1991 Linux version 0.01 was introduced in September and in early October the 0.02 version was released. In 1993 GNU announced that Linux is open source. The popular Linux logo was introduced in 1996. In 1998 Oracle announced its support to Linux. In 2001 version 2.4 was released.
Evolution of Microsoft Windows:
- 1985- Windows 1.01
- 1987- Windows 2. 03
- 1990- Windows 3.0
- 1992- Windows 3.1
- 1995- Windows 95
- 1998- Windows 98
- 2000- Windows 2000
- 2001- Windows XP
- 2006- Windows Vista
- 2009- Windows 7