Review Chapter 4 : IT Infrastructure : Hardware and Software
COMPUTER HARDWARE Infrastructure Components IT infrastructure consists of the shared technology resources that provide the platform for the firm’s specific information system applications. Major IT infrastructure components include : computer hardware, software, data management technology, networking and telecommunications technology, and technology services. Types Of Computers Computers come in different sizes with varying capabilities for processing information. • FLOPS (Floating point operations per second) [long division] – range from 500 FLOPS for handheld to a trillion for supercomputers. • PDAs, handheld mobile devices • PCs • Workstation: More powerful mathematical and graphics-processing capabilities than a PC • Servers :Type of midrange computer, support computer network, sharing files and resources, provide hardware platform for e-commerce. • Mainframes : Large-capacity, high-performance computer that can process large amounts o...