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ISDS 705 LSUS EXAM QUESTIONS AND ANSWERS
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ISDS 705 LSUS EXAM QUESTIONS AND ANSWERS 2024-2025What are information systems? - ANSWER the study of complementary networks of
hardware and software that people and organizations use to collect, filter, process,
create, and distribute data.
5 Components - ANSWER 1. Hardware
2. software
3. data
4. people
5. process
First three = technology - (what most people think of when asked what information
systems are)
last two = these are what separates the idea of information systems from more technical
fields such as computer science
Technology - ANSWER can be thought of as the application of scientific knowledge for
practical purposes.
Hardware - ANSWER the part of an information system you can touch - the physical
components of the technology. (ex. computers, keyboards, disk drives, iPads)
Software - ANSWER a set of instructions that tells the hardware what to do. This is not
tangible - cannot be touched.
Two major classes of software - ANSWER 1. Operating system software = makes the
hardware for usable (ex: Microsoft Windows and Google's Android)
,2. Application software = which does something useful for ex: Microsoft excel or Angry
birds (apps)
Data - ANSWER Collection of facts; intangible
The raw fragments and pieces of information that lack context.
Communication- ANSWER Which one needs to be added?
Process- ANSWER is a sequence of activities performed or actions taken to achieve an
objective or produce specific results; information systems are becoming more and more
integrated with organizational processes, bringing more productivity and better control
to those processes.
The Mainframe Era - ANSWER refrigerator sized machines, or computers, only at large
businesses, universities, and government agencies. Served dozen to hundreds users at
a time through "time sharing".
The PC revolution - ANSWER 1975 the first microcomputer was announced. "personal
computers" headed by Steve Jobs known as Apple Computer.
the computer named "PC" was invented by IBM and Microsoft.
World Wide Web (WWW)- ANSWER Invented in 1969 by Tim Berners-Lee; since before
he invented this, the Internet was confined to just universities, government agencies
and researchers.
Web 2.0 - ANSWER exemplified blogging, social networking, interactive comments and
being available on many websites. Places going out of business from technology
replaced the middle man in a transaction known as "disintermediation"
, ANSSWER Cloud computing allows information to be stored, shared, and backed up on
a huge scale.
Nicolas Carr - ANSWER Will information systems bring in competitive advantage? Said
information technology was only a COMMODITY. And it out should be something like
electricity should be managed to reduce costs and ensure that its always running and
should be risk free.
National Science Foundation 1991 - ANSWER In 1991 they lifted restrictions on its
commercial use and in 1994 saw the establishment of both eBay and Amazon for the
new digital marketplace.
Post PC World - ANSWER Sales of PC's are beginning to decline as sales of tablets and
smartphones are taking off. This is no longer the primary way that people interact.
Digital Devices - ANSWER processes electronic signals that are representative of either
an "on", or one state, or an "off", or zero state (off state is represented by the absence
of an electronic signal).
Examples: Smart cars, self driving/parking and smart hours, refrigerators and soft drink
dispensers.
Binary digit - ANSWER Each one or zero is called a "bit" a set of eight bits is a "byte".
Newer PC's are now processing 64 bits which is where the term 64-bit processor came
from.
Kilo = one thousand
Mega = million
giga = billion
tera = trillion
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