TAILIEUCHUNG - Lecture Programming in C++ - Chapter 1: Computing fundamentals

Lecture Programming in C++ - Chapter 1: Computing fundamentals. In this chapter we will discuss: History of electronic computers, John von Neumann, architecture, schematic, main memory, memory access, central processing unit, mass storage devices,. | Chapter 1 – Computing Fundamentals History of Electronic Computers First computer ABC (Atanasoff Berry Computer) at Iowa State U. 1930’s Solved large numbers of simultaneous equations First “all-purpose” computer ENIAC (Electronic Numeric Integrator And Calculator) Main idea developed from ABC notes Both had set wiring –data was input to memory Lesson John von Neumann Mathematician Proposed alternative to “hard wiring” Introduced concept of stored program instructions Both data and instructions were stored Led to development of multipurpose computers Lesson Computer Categories Supercomputers Mainframe computers Workstations Personal computers (microcomputers) Laptops More powerful than ENIAC Palmtops Speed and size! Lesson Architecture Four main parts CPU (central processing unit) Main memory Controllers Peripheral devices Hardware Electronic and mechanical devices integrated or connected to computer Lesson Schematic Main Memory Controllers Peripheral Devices CPU .

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