Chapter 2 Review Essay

763 WordsMar 25, 20134 Pages
1. When determining the appropriate hardware components of new information system, what role must the user of the system play? 2. Identify two basic characteristic of RAM and ROM? - RAM is temporary and volatile, it lose its content (data) is turned off or disrupted. - ROM is nonvolatile and not lost its contests if the power is removed. 3. What is RFID technology? How does it work? - A technology that employs a microchip with an antenna to broadcast its unique identifier and location receivers. - It transmits data by a mobile device, called a tag, which is read by an RFID reader and processed according to the need of an information system program. 4. Identify the three components of the CPU and explain the role of each. -…show more content…
7. Give three examples of recent operation system. - Windows Vista - Windows 7 - Windows 8 8. What is Software as a Service (SaaS)? What advantage does it provide for meeting an organization’s software needs? - This term primarily refers to the purchasing method for cloud services. Rather than paying traditional vendor license fees, the customer pays a subscription fee or a consumption fee for as long as the service is used. Ownership of the software remains in the hands of the provider. - Advantage: No Installation Required; Not Platform Specific; Automatic Upgrades and Access Your Data Anywhere. 9. What are the two basic types of software? Briefly describe the role of each. - Application and system software. - System software is the set of programs designed to coordinate the activities and functions of the hardware and various programs throughout the computer system. - Application software consists of programs that help user to solve particular computing problems. 10. What is cloud computing? What are the pros and cons of cloud computing? - Cloud computing is the use of computing resources (hardware and software) that are delivered as a service over a network (typically the Internet). The Pros - Cost reduction - Cloud computing reduces paperwork, lowers transaction costs, and minimizes the investment in hardware (and the resources to manage it). Moving your business to ‘the cloud’ also reduces the need for an IT
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