Computer Basics Personal Computers, Servers, Mainframes, and Supercomputers PDAs, Portable Players, and Smart Phones Microcontrollers | Computers and Digital Basics Chapter 1 Chapter 1: Computers and Digital Basics Chapter Contents Section B: Digital Devices Section C: Digital Data Representation Section D: Digital Processing Section E: Password Security Chapter 1: Computers and Digital Basics Digital Devices Computer Basics Personal Computers, Servers, Mainframes, and Supercomputers PDAs, Portable Players, and Smart Phones Microcontrollers Chapter 1: Computers and Digital Basics Computer Basics A computer is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions Figure 1-12 Chapter 1: Computers and Digital Basics Computer Basics Computer input is whatever is typed, submitted, or transmitted to a computer system Output is the result produced by a computer Data refers to the symbols that represent facts, objects, and ideas Computers manipulate data in many ways, and this manipulation is called . | Computers and Digital Basics Chapter 1 Chapter 1: Computers and Digital Basics Chapter Contents Section B: Digital Devices Section C: Digital Data Representation Section D: Digital Processing Section E: Password Security Chapter 1: Computers and Digital Basics Digital Devices Computer Basics Personal Computers, Servers, Mainframes, and Supercomputers PDAs, Portable Players, and Smart Phones Microcontrollers Chapter 1: Computers and Digital Basics Computer Basics A computer is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions Figure 1-12 Chapter 1: Computers and Digital Basics Computer Basics Computer input is whatever is typed, submitted, or transmitted to a computer system Output is the result produced by a computer Data refers to the symbols that represent facts, objects, and ideas Computers manipulate data in many ways, and this manipulation is called processing Central Processing Unit (CPU) Microprocessor Figure 1-13 Chapter 1: Computers and Digital Basics Computer Basics Memory is an area of a computer that temporarily holds data waiting to be processed, stored, or output Storage is the area where data can be left on a permanent basis when it is not immediately needed for processing A file is a named collection of data that exists on a storage medium The series of instructions that tells a computer how to carry out processing tasks is referred to as a computer program Software Chapter 1: Computers and Digital Basics Computer Basics A stored program means that a series of instructions for a computing task can be loaded into a computer’s memory Allows you to switch between tasks Distinguishes a computer from other simpler devices Chapter 1: Computers and Digital Basics Computer Basics Application software is a set of computer programs that helps a person carry out a task The primary purpose of system software is to .
