tailieunhanh - Computers and Digital Basics

Tham khảo bài thuyết trình 'computers and digital basics', công nghệ thông tin, hệ điều hành phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 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 . | 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 .