Information Systems CLEP

A hard disk, also called a fixed disk, contains one or more inflexible circular platters and provides much greater storage capacity than a - Answer-floppy disk or Zip disk Unicode - Answer-is a 16-bit coding scheme implemented in Windows XP, Mac OS X, and Linux and has the capacity of representing more than 65,000 characters and symbols. On a bus network, a single central cable connects all computers and devices. The risk to a bus network is that - Answer-the bus itself might become inoperable On a network, the major difference between the server and client computers is that the server ordinarily has - Answer-more power, more storage space, and is more reliable In a client/server network, a network server is a dedicated server that - Answer- manages network traffic (activity) The operating system on a computer sometimes is called the platform. A cross- platform application program is one that - Answer-runs the same on multiple operating systems Some stand-alone operating systems are called _____ because they also work in conjunction with a network operating system. - Answer-client operating systems Examples of network operating systems, which are designed to support a network, include all of the following except _____. - Answer-DOS, is a stand-alone operating system designed for personal computers. Programmers typically use either a compiler or interpreter to translate a program into machine language instructions that a computer can execute. An advantage of an interpreter is that _____. - Answer-when it finds errors, it displays feedback immediately _____ are complete object-oriented programming (OOP) languages that programmers can use to implement an object-oriented design. - Answer-C++ and Java Software today often has a _____, in which users interact with menus and visual images, such as icons, buttons, and other objects to issue commands. - Answer- graphical user interface (GUI) _____ is copyrighted software that is distributed free for a trial period, after which a payment should be sent to the person or company who developed the program. - Answer-Shareware __________ are the three basic categories of operating systems that exist today. - Answer-Stand-alone, network, and embedded Data integrity identifies the quality of data. _____ is a computer phrase that means users cannot create correct information from data that is incorrect. - Answer- Garbage in, garbage out (GIGO) A database uses a variety of characteristics to define each field. An important consideration is the data type, which _____. - Answer-specifies the kind of data a field can contain and how the data is used Most companies use either a file processing system or a database management system. When compared with a file processing system, a database offers all of the following except _____. - Answer-improved data integrity An example of an application appropriate for an object-oriented database is a hypertext database, which _____. - Answer-contains text links to other types of documents Most project-planning software can produce a Gantt chart, developed by Henry Gantt, which is a popular _____. - Answer-bar chart that uses horizontal bars to show project phases or activities Systems analysts frequently reevaluate feasibility during the system development cycle. _____ measures whether the lifetime benefits of a proposed system will be greater than its lifetime costs. - Answer-Economic feasibility Change to a new information system can take place using one or more conversion strategies. With _____, a user stops using the old system and begins using the new system on a certain date. - Answer-direct conversion A script kiddie is __________. - Answer-a person with relatively little technical skill with and knowledge of computers who accesses a computer illegally Transaction processing systems can use either batch processing or real-time (online transaction) processing. In class registration at a local college, batch process would be best used for _____. - Answer-printing and mailing all student invoices Management information systems, which generate accurate, organized, and timely information for managers, evolved from _____. - Answer-transaction processing systems _____ is a measure of how well a computer system, software applications, or information system can grow to meet increasing performance demands. - Answer- Scalability