INTRODUCTION TO VIRTUAL COMPUTERS by clara meli https://padlet.com/clarah/2o0upfa905yi en-us 2014-05-30 11:19:58 UTC 2014-06-09 18:07:11 UTC hello@padlet.com HARDWARE clarah https://padlet.com/clarah/2o0upfa905yi/wish/29039265 Computer hardware refers to the physical parts of a computer. Internal hardware devices include motherboards, hard drives, and RAM. External hardware devices include monitors, keyboards, mice, printers, and scanners.

]]> 2014-05-30 11:34:58 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29039265 SOFTWARE clarah https://padlet.com/clarah/2o0upfa905yi/wish/29039283 Software, on the other hand, consists of the programs and applications that run on computers. Because software runs on computer hardware, software programs often have system requirements that list the minimum hardware required for the software to run.

]]> 2014-05-30 11:35:50 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29039283 Von Neumann architecture clarah https://padlet.com/clarah/2o0upfa905yi/wish/29039346 The template for all modern computers is the Von Neumann architecture, detailed in a 1945 paper by Hungarian mathematician John von Neumann. This describes a design architecture for an electronic digital computer with subdivisions of a processing unit consisting of an arithmetic logic unit and processor registers, a control unit containing an instruction register and program counter, a memory to store both data and instructions, external mass storage, and input and output mechanisms. The meaning of the term has evolved to mean a stored-program computer in which an instruction fetch and a data operation cannot occur at the same time because they share a common bus. This is referred to as the Von Neumann bottleneck and often limits the performance of the system.
]]> 2014-05-30 11:38:29 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29039346 OPERATING SYSTEM clarah https://padlet.com/clarah/2o0upfa905yi/wish/29039445 An operating system (OS) is software that manages computer hardware resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function.

Flavors: Android, BSD, iOS, Linux, OS X, QNX, Microsoft Windows, Windows Phone, and IBM z/OS.

]]> 2014-05-30 11:41:05 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29039445 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29156820 2014-06-02 17:56:01 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29156820 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29156900 2014-06-02 17:57:02 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29156900 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29156942 2014-06-02 17:57:34 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29156942 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29157139 2014-06-02 18:00:07 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29157139 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29157290 2014-06-02 18:01:36 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29157290 Virtual machine  clarah https://padlet.com/clarah/2o0upfa905yi/wish/29157417 A virtual machine (VM) is a software-based emulation of a computer. Virtual machines operate based on the computer architecture and functions of a real or hypothetical computer.

]]> 2014-06-02 18:02:56 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29157417 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29157533 2014-06-02 18:04:25 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29157533 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29393457 2014-06-06 11:13:08 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29393457 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29485080 2014-06-09 17:40:31 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29485080 clarah https://padlet.com/clarah/2o0upfa905yi/wish/29486097 2014-06-09 18:00:12 UTC https://padlet.com/clarah/2o0upfa905yi/wish/29486097