Information Systems Concepts Quiz

In-Class Revision "Sample Questions"

• Information: Collection of facts organized and processed to have value beyond individual facts.
• Effectiveness: Doing the objective correctly.
• Feedback: Information from the system used to change input or processing activities.
• CBIS: Single set of hardware, software, databases, telecommunications, people, and procedures.
• Database: Organized collection of facts and information (typically two or more related data files).
• Business Analyst: Defines and prioritizes requirements, and gets feedback and approval on them.
• Game Developer: Contributes to audio and animation design.
• Database Administrator: Creates and maintains database standards and policies.
• Cybersecurity Consultant: Identifies security threats and determines best security measures.
• Back-end Developer: Responsible for creating and maintaining website components unseen by users.
• Processing: Converting data into useful outputs.
• Knowledge: Awareness and understanding of a set of information.

Lecture #1 & #2

• System Unit: Houses CPU and memory.
• RAM: Temporary and volatile memory.
• Traditional/Serial Processor: A single processor executes program instructions step-by-step.
• Multiprocessing: Simultaneous execution of two or more instructions.
• Backup: Copy of programs, data, and information created on one secondary storage medium, duplicated to another.
• Kernel: Central part of OS with complete control.
• System Utilities: Software programs essential for effective computer system management (backup, antivirus).
• Multitasking OS: Permits more than one application to run simultaneously.
• Scalability: Ability to handle increasing numbers of concurrent users smoothly.
• Memory Management: Controls memory access and maximizes available memory and storage.

Lecture #3

• Output Devices: Monitors, printers, speakers, and plotters.
• Input Devices: Point-of-sale (POS) and Automatic Teller Machine (ATM) devices.
• RAM Memory: Temporary and volatile.
• Multiprocessing: Simultaneous execution of two or more instructions.
• Direct Access: Retrieving records in any order.
• Operating System: Coordinates hardware and program activities.
• ROM Memory: Nonvolatile.
• Graphical User Interface (GUI): Uses icons and menus for sending commands.

Lecture #4

• System Analysis: Identifying problems and their causes.
• System Testing: Testing system functionality as a whole.
• Parallel Conversion: Running old and new systems simultaneously until users are satisfied.
• Black Box Testing: Testing without knowledge of the code.
• Implementation/Programming: Translating design specifications into software code.
• Agile: Streamlines SDLC by reducing modeling and documentation overhead.
• Outsourcing: Eliminates staffing problems.
• Non-operational Prototype: Mockup/model with output, input specifications and formats.
• SDLC/System Development Life Cycle: Structured/standardized process for system development.
• SRS/System Requirements Specification: Describes system specifications that deliver needed functions.
• RAD/Rapid Application Development: Rapid application development through iterative prototyping.

Lecture #5

• Direct Conversion: Only viable conversion solution when activating a new system is urgent or systems can't coexist.
• System Analysis: Feasibility study phase.
• System Maintenance: Post-implementation audit documents.
• System Conversion: Process of changing from an old system to a new one.
• RAD/Rapid Application Development: Iterative prototyping for rapid application development.
• Waterfall Methodology: Sequential methodology where the team proceeds from one phase to the next.
• System Analysis: Identifying problems and their causes.
• Data Mining: Tools for analyzing data to discover hidden patterns and trends.
• Data Definition Language (DDL): Defines database structure, tables, and field characteristics.
• Data Manipulation Language (DML): Used to insert, update, delete, and retrieve data from a database.
• Phishing: Legitimate-looking emails leading users to fake websites to get personal information.
• Zombies (in DDoS attacks): Computers taken over in a DDoS attack.
• Crackers: Hacking with criminal intent to steal or damage data.
• Spam: Low-cost commercial advertising for questionable products

Lecture #6

• Database Administrator (DBA or Database Admin.): Specialist in charge of organization's databases.
• Database Schema: List of all tables in the database, including primary and foreign keys.
• Primary Key: Unique field defining each entity.
• DBMS (Database Management System): Main software package for database management.
• Data Warehouse: Collects business information from various sources covering company processes, products, and customers.
• DBMS (Database Management System): Group of programs acting as an interface between the database and user/application programs.

Lecture #7

• Data mining: Tools to analyze historical business activity data, revealing hidden trends and patterns.
• Data Definition Language (DDL): Defines the structure of a database.
• Data Manipulation Language (DML): Used to modify database data (insert, update, delete).
• Relational Database: Organizes data in related tables.

True or False Statements

• Phishing: Low-cost marketing method also used by legitimate organizations (False).
• User Responsibility for Trojans: Users are responsible for installing trojans to eliminate vulnerabilities (False).
• Increased Computing Complexity: Increased computing environment complexity increases vulnerability to security incidents (True).
• Worms: Reside in active computer memory and duplicate themselves.
• Viruses: Attach to files, execute when opened.
• Trojan: Malicious code disguised in harmless programs.

Test your knowledge on key concepts related to information systems. This quiz covers various roles, definitions, and processes essential for understanding the field of business analysis, database administration, and more. Perfect for in-class revision before exams!