Mainframe/Pc Evolution

central helping unit/PC Evolution The developing of central processing unit deliberation to exclusiveal computing began with the invention of the central processing unit for businesses and government use. The in-person computing machine (PC) evolved from companies wanting the same nurture from scaled down version of the central processor and dumb terminal. Though they both inhabit of data storage, processors, input and step to the foreput devices. However, they dedicate their differences. processors The mainframe was invented in the 1950s. One of the prototypical mainframes was the Univac 1, which was delivered to the Census Bureau in 1952.It metric 25-feet by 50-feet and had a storage depicted object of 1000 words or 12,000 characters (Lexikon Services, 1982). In the 1970s the mainframe changed with the development of UNIX run clay (Rogers, 2010). A mainframe consort to Vaughan (n. d. ), A mainframe is a continually evolving general purpose computing programme in corporating in it architectural translation the necessity functionality required by its target operations (par. 5). The Mainframe is a multi- drug user data storage and application computing system.Mainframe systems lavatory be a single mainframe unit or multiple mainframe units, depending on the come of users and uses, it is needed for. Information is entered in on a dumb terminal or workstation. The mainframe bay window be in the same room or in an other(a) room and even on a different floor. The mainframe is cognize for its reliability and why companies are involuntary to spend the half-a-million dollars or much(prenominal) for them. Mainframes permit fast bus speeds, high hoard speeds, defect detection, and error correction (Rogers, 2010). ad hominem Computers One of the first computing machines to be considered a in-person Computer was the IBM PC in 1981.Others were invented from 1955. It rested of a monitor, keyboard, and desktop base with floppy drives. It w eighed 28 pounds. Companies were looking for a charge to down-scale and cut the cost of the mainframe system. The face-to-face Computer, according to Whatis. com is a microcomputer knowing for use by one person at a time (TechTarget, 2008, par. 1). In todays terms it consist of a display unit, keyboard, mouse, tower or desktop that consists of a hard drive, memory, processors, bring board, and other hardware to carry out its functions as a microcomputer.The cost of a Personal Computer has aim low-cost over the years for an individual to leveraging for main office use as fountainhead as company use. The use of a personal computer varies in that it is use for company business, home computing, gaming, and has other opportunities for an individual computing needs. The PC has changed the federal agency populate do business, pay their bills, entertain themselves, and communicate. The PC bed process data, run programs and applications, become a database, and can be networked into other PCs and mainframes.The Personal Computer makes it easier for smaller companies to achieve what overlarger companies can do with mainframes. Pcs can be networked together can destiny the same information, store information, and work efficiently. The fall held PC provides for computing mobility, which provides for more productivity. PC and Mainframe Comparison The mainframe is a large, reliable, multi-user computing system costing millions of dollars. If a mainframe has any downtime, the whole system and users cannot work. The PC is a small, affordable, and single user microcomputer that an individual can buy.It can be used for business and home computing. It has similarities to the mainframe display unit, keyboard, processor, memory, information storage, and direct systems. Contrasts Mainframe operating systems are knowing primarily to optimize utilization of hardware. Personal computer (PC) operating systems support composite games, business applications, and everything in between (Silbershcatz, Galvin, & Gagne, 2009). The mainframe is more costly than a PC. However, it is more reliable than the PC. The mainframe can process information much faster than a PC.It also has faster bus speeds and higher(prenominal) cache speeds. The hardware in a mainframe has error detection and error correction for less downtime (Rogers, 2010). The PC is smaller, cheaper, and a single-user computer system. Its uses include home, business, and entertainment purposes. The PC system is can easily be transmitd by one person, the Mainframe system takes multiple people to move it. Conclusion The mainframe made way for the personal computer. In a large business setting a mainframe would be worth the price.The PC is chronic to evolve and is becoming smaller and more evolved as technology advances. Even though they have their differences, each serves it purpose in todays society. References Blinkenlights Archaeological Institute. (1999-2007). come in Quiz What was the first personal computer? Retrieved November 26, 2011from http//www. blinkenlights. com/pc. shtml Lexikon Services. (1982-2000). UNIVAC 1 (1951) First Commercially on tap(predicate) Computer. Retrieved November 26, 2011 from http//www. computermuseum. li/Testpage/UNIVAC-1-FullView-A. htm Rogers, S. (2010).Comparison and Contrast Between Mainframes and PCs. Retrieved November 26, 2011 from http//www. associatedcontent. com/ expression/5884114/comparison_and_contrast_between_mainframes. html? cat=15 Silbershcatz, A. , Galvin, P. B. , & Gagne, G. (2009). direct System Concepts (8th ed. ). Hoboken, NJ John Wiley & Sons. Inc. TechTarget. (2008). Whatis. com. Retrieved November 26, 2011 from http//whatis. techtarget. com/definition/0,,sid9_gci214279,00. html Vaughan, L. H. (n. d. ). What is a Mainframe. Retrieved November 26, 2011 from http//www. mainframes. com/whatis. htm