Lesson 1 Flashcards
an electronic device that takes data, process the data according to a series of instruction
Computer
Boolean Algebra in 1800’s
George Boole
series of instruction that a computer must follow in order to process data into information.
Program
General Purpose Programmable Computer in 1930’s
Alan Turing
is a collection or independent raw facts and figures
Data
combination of the desirable qualities of the analog and digital computers
Hybrid Computers
Computers can be used in
Business
Home
Entertainment
Scientific Research
Military
relatively smaller and slower computers compared to mainframe
Minicomputers
typically fits a desktop. Inside of it is microprocessor, which has control capability for memory and I/O access, and which contains an arithmetic logic unit all on a single, chip less than one quarter of an inch square
Microcomputers
composed of a series of activities responsible for transforming data into information
Data Processing
The Input Process Output (IPO) model refers to a conceptual framework wherein input in the form of data or information is processed which result in the generation of an output basically in the form of information
True
is data that is made meaningful to someone
Information
It is a group of organized interdependent components that interact with and complement one another to achieve one or more predetermined goals
System
simply refers to computer equipment
Hardware
Multitasking is the ability to rotate between multiple threads so that processing is completed faster and more efficiently
False
refers to all computer programs which direct and control the computer hardware in data processing
Software
a collection of programs that facilitates the programming and operation of the computer
System Software
A collection of programs that manage and coordinate the activities taking place within a compute
Operating System
Require users to input commands using the keyboard
Command Line Interface
Objects are selected with the mouse, pen, or finger to issue commands to the computer
Graphical User Interface
Meaning of DOS is Disk Operating System
True
A version of windows that includes Microsoft Edge, Cortana, Multiple desktops and Task view, Action Center and Tablet mode
Windows 10
operating system for computers made by Apple Corporation
Mac OS
Is open-source software; has been collaboratively modified by volunteer programmers all over the world
Linux
Operating system developed in the late 1960s for midrange servers
Unix
It replaced Windows XP and introduced the Aero interface and Sidebar feature
Windows Vista
Characteristics of Computers (6)
MACHINE
ELECTRONIC
AUTOMATIC
MANIPULATE DATA
MEMORY
LOGIC
Types of Computers
Mainframes
Personal Computers
Tablet PCs
Media Centre
Personal Digital Assistants (PDAs)
Desirable Qualities of Information (5)
Relevance
Completeness
Timeliness
Accuracy
Presentable
Major Phases of Data Processing Cycle (4)
Origination Phase
Input Preparation Phase
Processing Phase
Output Preparation Phase
Security Concerns
Viruses
Spyware
Indetitu Theft
Phishing Schemes
