essay on different types of computer
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Explanation:
Computer Types: ... Microcomputer: A small, single-user computer based on a microprocessor. Minicomputer: A multi-user computer capable of supporting up to hundreds of users simultaneously. Mainframe: A powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously
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DIFFERENT TYPES OF COMPUTERS
1.personal computers:
The personal computer (PC) defines a computer designed for general use by a single person. While an iMac is definitely a PC, most people relate the acronym to computers that run on the Windows operating system instead. PCs were first known as microcomputers because they were complete computers but built on a smaller scale than the huge systems in use by most businesses. Along the way, critical components such as CPUs (central processing units) and RAM (random access memory) evolved at a breakneck pace, making computers faster and more efficient. In 1986, Compaq unleashed a 32-bit CPU on its 386 machines. And of course, Intel grabbed a place in computer history in 1993 with its first Pentium processor. Now, personal computers have touchscreens, all sorts of built-in connectivity (like Bluetooth and WiFi), and operating systems that morph by the day. So do the sizes and shapes of the machines themselves
2. desktop
Until the middle of the 1980s, consumers had one choice for a PC — and it was the desktop format. These knee-knocking boxes (called "towers") were big enough to gouge your shins. Equipped with large CRT (cathode ray tube) monitors, they crowded your home workspace or the office. The expectation with desktop systems was that you would set the computer up in a permanent location. Most desktops offer more power, storage, and versatility for less cost than their portable brethren, which was what made them the go-to computer in the 1990s when laptops were still thousands of dollars. These days, desktops are much, much cheaper than they were 20 years, and you can have one for just a few hundred dollars. That's a far cry from the thousands of dollars they cost in the '80s. And hardcore gamers still value desktops.
3.laptops:
Once upon a time, if you wanted to use a PC, you had to use a desktop. Engineers simply couldn't condense the sophisticated systems in a PC into a portable box. In the mid-1980s, though, many big computer manufacturers made a push to popularize laptop computers.
Laptops are portable computers that integrate the display, keyboard, a pointing device or trackball, processor, memory, and hard drive all in a battery-operated package slightly larger than an average hardcover book.
. As it toned your biceps, the Osborne 1 also gave your eyes a workout, as the screen was just 5 inches (12 centimeters). By the end of the decade, NEC's UltraLite smashed barriers by cramming real computing efficiency into the first true notebook (i.e. very light laptop) style, which weighed just 5 pounds (2.2 kilograms). The race to ultra-portability was officially on [source: Bellis]. However, laptops didn't overtake PCs in sales until 2005.
4. netbooks and tablets:
Netbooks are ultra-portable computers that are even smaller than traditional laptops. The extreme cost-effectiveness of netbooks (roughly $200) means they're cheaper than almost any brand-new laptop you'll find at retail outlets. However, netbooks' internal components are less powerful than those in regular laptops
Netbooks first appeared in 2007, primarily as a means for accessing the internet and web-based applications, from email to music and movie streaming, to web surfing. They're incredibly compact, but as a result, their specifications list often resembles a very stripped-down laptop. They have small displays (as small as 6 or 7 inches or 15-18 centimeters), little storage capacity (perhaps maxing out at 64GB), and sometimes skimp on or altogether skip data ports (like USB or HDMI) that traditional laptops wield. A lot of netbooks come from small manufacturers, as the big guns can't be bothered with the low- profit margins of these cheaper machines.
5.handheld computers:
Early computers of the 20th century famously required entire rooms. These days, you can carry much more processing power right in your pants pocket. Handheld computers like smartphones and PDAs are one of our era's iconic devices. Debuting in the 1990s, personal digital assistants (PDAs) were tightly integrated computers that often used flash memory instead of a hard drive for storage. These computers usually didn't have keyboards but relied on touchscreen technology for user input.