Lesson 2 Flashcards
Data
it means raw, unorganized, and unprocessed facts that can be in form of numbers, alphabet, date, measurement, and even statements.
Example: The data collected includes customer names, addresses, and purchase history.
Information System
a man-made system which collects, stores, retrieves, processes, manages, disseminates and analyzes information.
Additional information: Information systems are essential for businesses to operate efficiently.
Primary Storage Device
it is a type of storage that is also called internal memories. It can be easily accessed by the processor anytime.
Example: RAM is a common primary storage device used in computers.
Output
the result after data processing, usually presented externally using output devices such as printers, monitors and speakers.
Example sentence: The output of the program was displayed on the monitor.
Data Maintenance
a type of update that can be made in the master data of an information system where it refers to a system’s functional activities such as adding, saving, deleting, updating, retrieving, and editing data from the master data.
Additional information: Data maintenance is crucial for keeping information systems up-to-date.
Software
it refers to the set of computer programs that can control the overall operation of the computer system.
Example: Microsoft Office is a popular software suite used for various tasks.
Procedures
these are the rules, policies, and methods that administer the operation of a computer system. They are as significant as people using the system.
Additional information: Following procedures ensures consistency and efficiency in system operation.
World Wide Web
other component of computer-based information system that is accessible through the Internet. It consists of multimedia collections that are stored in a particular database of CBISs.
Additional information: The World Wide Web revolutionized how information is accessed and shared globally.
Operation Process
a logical component of business process that refers to a man-made information system consisting of people, policies, procedures, and equipment whose main objective is to accomplish a certain goal. It includes those from human resources and those who are task with product distribution.
Example sentence: The operation process involves various departments working together to achieve business objectives.
Management Information Systems
a computer-based information system consisting of hardware and software applications that support all organization business. It collects raw data to analyze and process and report these data to assist and serve in decision making.
Additional information: MIS helps organizations make informed decisions based on data analysis.
System Development Life Cycle
one of the methodologies used in software development. It emphasizes that a system can be developed in a series of phases.
Additional information: SDLC ensures systematic and structured approach to software development.
Maintenance
it involves making changes to the hardware, software, and documentation process to support and sustain the system’s operational effectiveness.
Example: Regular maintenance of computer systems helps prevent downtime and errors.
Information System Security
it means protecting information and information system from malicious software and unauthorized access, use, disclosure, modification, disruption, or destruction.
Additional information: Information system security is a critical aspect of IT management.
Transaction Processing System
a computer-based information system that is also known as real-time processing system.
Additional information: TPS ensures immediate processing of transactions for businesses.
Central Processing Unit
the brain of computer.
Additional information: The CPU is responsible for executing instructions and performing calculations in a computer.
