Term
| What are the two different kinds of files on a computer? |
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Definition
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Term
| What are the six different types of Computer-Based Information Systems? |
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Definition
Office Information Systems
Transaction Processing System
Management Information Systems
Decision Support Systems
Executive Support Systems
Expert Systems |
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Term
Which level of management uses a Office Information or Office Automation Systems?
Page 428 - 433 |
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Definition
| Used throughout the organizational structure to increase productivity. |
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Term
| Which level of management uses a Transaction Processing System (TPS)? |
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Definition
| Business organization, keeps track of transactions |
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Term
| Which level of management uses a Management Information System (MIS)? |
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Definition
| Tactical managers, to produce reports |
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Term
| Which level of management uses a Decision Support System (DSS)? |
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Definition
| Used by managers in specific industries such as airlines or industry, flexible tools for analysis |
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Term
| Which level of management uses an Executive Support System (ESS)? |
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Definition
| Strategic Managers, specifically supports strategic decision making |
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Term
| Which level of management uses an Expert System? |
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Definition
| Knowledge-based system, used by all management levels to solve "expert" problems |
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Term
How is digital data sent over a telephone line?
Pg 314 |
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Definition
| Digital signals are discontinuous, expressed as discrete bursts of on/off electrical pulses. |
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Term
How is Twisted-Pair media assembled?
Pg. 325 - 327 |
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Definition
| Two strands of insulated copper wire, twisted around each other. Helps reduce interference. |
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Term
| How is Coax media assembled? |
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Definition
| co-ax is HF transmission cable that consists of insulated copper wire wrapped in a solid or braided metal shield and then in an external plastic cover. |
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Term
| How is Fiber-Optic media assembled? |
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Definition
| dozens or hundreds of thin strands of glass or plastic that transmit pulsating beams of light rather than electricity. |
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Term
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Definition
| Cat5 cabling, Ethernet speeds of 10-100 MGs per second . Installed throughout the house. Think RR |
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Term
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Definition
| technology companies working to ensure the adoption of a single unified existing wire (telephone and cable) to home-networking standard that transmits about 320 MG per second. |
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Term
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Definition
| A technology standard that allows users to send data over home's existing electrical (AC) power lines. |
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Term
| What are the major phases of the system lifecycle? |
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Definition
1. Preliminary Investigation,
2. System Analysis,
3. System Design,
4. System Development,
5. System Implementation,
6. System Maintenance |
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Term
| What are the main components of a network? |
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Definition
Wired/Wireless Connections
Host & Nodes
Packets
Protocols
Linking Devices
Interface Cards
Operating Systems |
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Term
| What are the different type of short-distance wireless standards? |
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Definition
1. LAN 100-228 feet
2. PAN 30-32 feet
3. HAN 100-150 feet |
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Term
| What are the different types network topologies? |
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Definition
Bus – all nodes are connected to a single wire or cable
Ring – all nodes are connected in a continuous loop
Star – all nodes are connected through a central host |
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Term
| Describe a BUS network topologies? |
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Definition
| All nodes are connected to a single wire or cable |
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Term
| Describe a Ring network topologies? |
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Definition
| All nodes are connected in a continuous loop |
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Term
| Describe a Star network topologies? |
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Definition
| All nodes are connected through a central hose |
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Term
| Describe a Peer-to-Peer Network. |
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Definition
| All computers on a network communicate directly with each other. Cheaper than client/server since servers are typically more expensive than PCs |
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Term
| Describe a Client/Server Network. |
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Definition
| Consists of clients (computers) that request data, and servers (computers) that supply data |
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Term
| What are the problems associated with Peer-to-Peer swapping of music files? |
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Definition
| Users can download copyrighted material w/o paying, violates U.S. copyright laws; is server-based online file sharing sites; Napster has been shut down; have been difficult to control since there is no central server to shut down; publishers are suing individual down-loaders instead |
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Term
| What are the different types of database models? |
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Definition
Hierarchical database
Network database
Relational database
Object-oriented database
Multidimensional database |
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Term
| What is a Hierarchical database? |
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Definition
| Fields or records are arranged in a family tree, with child records subordinate to parent or higher-level records |
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Term
| What is a Network database? |
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Definition
| Like a hierarchical database, but each child record can have more than one parent record |
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Term
| What is a Relational database? |
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Definition
| Relates, or connects, data in different files through the use of a key, or common data element |
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Term
| What is an Object-Oriented database? |
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Definition
| Uses objects (software written in small, reusable chunks) as elements within database files |
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Term
| What is a Multidimensional database? |
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Definition
| Models data as facts, dimensions, or numerical measures for use in the interactive analysis of large amounts of data |
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Term
| What is the difference between a bit and a byte? |
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Definition
| A bit is a single numeric value, either '1' or '0'. A byte is a sequence of bits; usually eight bits equal one byte. |
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Term
| What are considered computer crimes? |
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Definition
Theft of HW/SW, online music/videos,
Theft of time & services, Theft of information, Internet-related fraud
Taking over your PC, Crimes of malice
Computer criminals |
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Term
| What is the term used when you use human language to map out the logic of a computer program? |
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Definition
| Pseudo code or flow charting |
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Term
| What SW helps manage databases? |
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Definition
|
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Term
| What's the difference between syntax and logic errors? |
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Definition
| Syntax errors are grammar errors while logic errors are caused by the incorrect use of control structures |
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Term
|
Definition
| An interface used to connect the same types of networks |
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Term
|
Definition
| An interface that permits communications between dissimilar networks |
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Term
|
Definition
| Any device attached to a network |
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Term
| What title is given to someone who manages a database? |
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Definition
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Term
| What are daily business activities called? |
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Definition
|
|
Term
| What is Business-to-business (B2B)? |
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Definition
| A business sells to other businesses using the internet or a private network to cut transaction costs and increase efficiencies |
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Term
| What is Business-to-consumer (B2C)? |
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Definition
| A business sells goods or services to consumers |
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Term
| What is Consumer-to-consumer (C2C)? |
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Definition
| Consumers sell goods or services directly to other consumers with the help of a third party, such as eBay. |
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Term
| What are the two different kinds of files on a computer? |
|
Definition
|
|
Term
| What is it called to build a quick model of a system that can be evaluated? |
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Definition
| Prototype (then a detailed design development) |
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Term
| What are some useful programs to block harmful content from children? |
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Definition
| Online blocking SW, DVD filters, video game rating systems, v-chip, "xxx" web addresses |
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Term
| What is the difference between a UNIT test and SYSTEM Test? |
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Definition
A Unit Test - tests small parts independently (small pieces of the whole) to make sure they work.
A SYSTEM Test - tests the entire system |
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Term
| Machine language is what generation? |
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Definition
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Term
| Assembly language is what generation? |
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Definition
|
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Term
| high level languages such as FORTRAN, COBOL, BASIC, C, and C++ are what generation? |
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Definition
| Third generation (procedural language) |
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Term
| Very High-Level languages which include SQL, Intellect, NOMAD, FOCUS are what generation? |
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Definition
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Term
| Natural languages are which generation? |
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Definition
| Fifth generation, early 1980's |
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Term
| Who developed Basic (the easy language) - which is used to be the most popular microcomputer language and is considered the easiest language to learn? |
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Definition
| Developed by John Kemeny and thomas Kurtz |
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Term
| Who developed Pascal, an alternative to BASIC developed for teaching purposes? |
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Definition
| Developed by 17th Century French mathematician Blaise Pascal |
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Term
| Who developed C, the general-purpose, compiled language that was developed for mid-range computers but also works well with micro-computers? |
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Definition
| Developed by Dennis Ritchie at Bell Labs in the early 1970's. |
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Term
| Who developed LISP, a 3rd generation language used principally to construct artificial intelligence programs? |
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Definition
| Developed by the Massachusetts Institute of Technology in 1958 by mathematician John McCarthy. |
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Term
| What programming languages are object-oriented? |
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Definition
| Case SW, Java, C#, LISP, Visual Basic, C++ |
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Term
| What is Machine Language? |
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Definition
| 0's and 1's (basic language) |
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Term
| What is Assembly Language? |
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Definition
| Mnemonic version of machine language, faster, each CPU arch has it's own language |
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Term
| What is High-Level Language? |
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Definition
|
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Term
| What is Problem Oriented Language? |
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Definition
| NOMAD, FOCUS, Report Generator, Query, Application |
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Term
| What is a Natural Language? |
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Definition
|
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Term
|
Definition
| Also called communications protocol; set of conventions governing the exchange of data between HW/SW components. |
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|
Term
| What attack represents a communication that appears to be from a trusted source? |
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Definition
|
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Term
| How would you identify a record in a relational database? |
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Definition
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