Acer Inc. is a Taiwanese multinational hardware and electronics corporation headquartered in Xizhi, New Taipei City, Taiwan. Acer's products include inexpensive desktop and laptop PCs, tablet computers, servers, storage devices, displays, smartphones and peripherals. It also provides e-business services to businesses, governments and consumers. In 2012 Acer was the fourth largest personal computer vendor in the world.
Apple Inc. is an American multinational corporation headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software and personal computers. Its best-known hardware products are the Mac line of computers, the iPod media player, the iPhone smartphone, and the iPad tablet computer. Its consumer software includes the OS X and iOS operating systems, the iTunes media browser, the Safari web browser, and the iLife and iWork creativity and productivity suites.
Compaq Computer Corporation was a company founded in 1982, that developed, sold, and supported computers and related products and services. Compaq produced some of the first IBM PC compatible computers, being the first company to legally reverse-engineer the IBM Personal Computer. It rose to become the largest supplier of PC systems during the 1990s before being overtaken by Dell in 2001. Struggling in the aftermath of the dot-com bubble bust, Compaq was acquired for US$25 billion by HP in 2002. The Compaq brand remained used by HP for lower-end systems.
Dell Inc. is a privately owned multinational computer technology company based in Round Rock, Texas, United States, that develops, sells, repairs and supports computers and related products and services. Bearing the name of its founder, Michael Dell, the company is one of the largest technological corporations in the world, employing more than 103,300 people worldwide.
Fujitsu Limited is a Japanese multinational information technology equipment and services company headquartered in Tokyo, Japan. It is the world's third-largest IT services provider measured by revenues (after HP).
Hewlett-Packard Company or HP is an American multinational information technology corporation headquartered in Palo Alto, California, United States. It provides hardware, software and services to consumers, small- and medium-sized businesses (SMBs) and large enterprises, including customers in the government, health and education sectors.
The International Business Machines Corporation (commonly referred to as IBM) is an American multinational technology and consulting corporation, with headquarters in Armonk, New York, United States. IBM manufactures and markets computer hardware and software, and offers infrastructure, hosting and consulting services in areas ranging from mainframe computers to nanotechnology.
Lenovo Group Limited is a Chinese multinational technology company with headquarters in Beijing, China, and Morrisville, North Carolina, United States. It sells personal computers, tablet computers, smartphones, workstations, servers, electronic storage devices, IT management software and smart televisions. In the second quarter of 2013 Lenovo was the world's largest personal computer vendor by unit sales. It markets the ThinkPad line of notebook computers and the ThinkCentre line of desktops.
The Macintosh, marketed as Mac, is a line of personal computers (PCs) designed, developed, and marketed by Apple Inc. It is targeted mainly at the home, education, and creative professional markets. Steve Jobs introduced the Macintosh 128K on January 24, 1984.
Microsoft Corporation is an American multinational corporation headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services.
Toshiba Corporation is a Japanese multinational engineering and electronics conglomerate corporation headquartered in Tokyo, Japan. Its products and services include information technology and communications equipment and systems, electronic components and materials, power systems, industrial and social infrastructure systems, household appliances, medical equipment, office equipment, lighting and logistics.