Saudi Electricity Company

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Essentials of Management Information Systems, 9e (Laudon/Laudon) Chapter 4 IT Infrastructure: Hardware and Software 1) IT infrastructure technology is the set of physical devices required to operate the entire enterprise. Answer: FALSE Diff: 1 Page Ref: 117 AACSB: Use of IT CASE: Comprehension 2) Today, most system and application software is custom built by in-house programmers. Answer: FALSE Diff: 2 Page Ref: 118 AACSB: Reflective Thinking CASE: Comprehension 3) Systems integration means ensuring the legacy systems work with new elements of the infrastructure. Answer: TRUE Diff: 1 Page Ref: 119 AACSB: Use of IT CASE: Comprehension 4) One of the main benefits of moving to mobile business computing…show more content…
B) application software. C) data management software. D) network software. Answer: C Diff: 2 Page Ref: 118 AACSB: Reflective Thinking CASE: Comprehension 22) Software that manages the resources of the computer is called: A) system software. B) application software. C) data management software. D) network software. Answer: A Diff: 1 Page Ref: 118 AACSB: Reflective Thinking CASE: Comprehension 23) Software used to apply the computer to a specific task for an end user is called: A) system software. B) application software. C) data management software. D) network software. Answer: B Diff: 2 Page Ref: 118 AACSB: Reflective Thinking CASE: Comprehension 24) Legacy systems are still in use today because: A) they can only be run on the older mainframe computers. B) they are too expensive to redesign. C) many integrate well using new Web services technologies. D) they contain valuable data that would be lost during redesign. Answer: B Diff: 2 Page Ref: 119 AACSB: Use of IT CASE: Comprehension 25) In co-location, a firm: A) purchases and owns their Web server but locates the server in the physical facility of a hosting service. B) contracts with an external vendor to run their computer center and networks. C) off-loads peak demand for computing
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