Intorduction To Computer

A computer is a multipurpose electronic device that can receive, process and store data

Digital Logic

Digital, or boolean, logic is the fundamental concept underpinning all modern computer systems.

Digital Logic Simulator

A logic simulator is a computer program that allows designers and experimenters to conduct virtual tests of complex digital circuitry before working with any hardware

MIPS(Microprocessor without Interlocked Pipeline Stages)

MIPS or Microprocessor without Interlocked Pipeline Stages is a reduced instruction set computer (RISC) instruction set architecture The first commercial MIPS model, R2000 was announced in 1985.

MIPS(Microprocessor without Interlocked Pipeline Stages) Simulator

SPIM is a MIPS processor simulator, designed to run assembly language code for this architecture. The program simulates R2000 and R3000 processors, and was written by James R. Larus while a professor at the University of Wisconsin-Madison.

Language of the Computers

Introduction - Assembly Language The basic job of a CPU,its excute lots of instructions.The set of instructions a particular CPU implements is an Instruction Set Architecture (ISA),few examples: 1) Intel 80x86 (Pentium 4) 2)IBM/Motorola 3)PowerPc (old Macintosh) 4)MIPs 5)Intel IA64 Different CPU implement different sets of instructions.

The Processor

Introduction - A processor is the logic circuitry that responds to and processes the basic instructions that drive a computer. The four primary functions of a processor are fetch, decode, execute and writeback.

Memory Organization

Introduction -A memory or a data byte, or a word, or a double word, or a quad word may be accessed from or at all addressable locations with a similar process would be used to access from all locations and there is would be equal access time for a read or for a write that is independent of a memory address location.

Input and Ouput

In this blog I will discuss on input/output procedures and devices .External device are not generally connected directly int the bus structure of the computer.I/O module is an interface for the external devices (peripherals) to CPU and memory.

Parallel Processing

Introduction to Parallel Processing - In computers, parallel processing is the processing of program instructions by dividing them among multiple processors with the objective of running a program in less time. - In the earliest computers, only one program ran at a time.

Team Production

Showing posts with label CHAPTER 3. Show all posts
Showing posts with label CHAPTER 3. Show all posts

Thursday, 27 October 2016

Digital Logic Simulator

09:27    No comments

DIGITAL LOGIC SIMULATOR

A logic simulator is a computer program that allows designers and experimenters to conduct virtual tests of complex digital circuitry before working with any hardware. The user can interact with the program to find a component arrangement that will perform a desired task. Once a suitable design has been found, the logic simulator makes it easy to optimize,debug, and modify the circuitry.
All digital systems comprise multiple logic gates, often in vast numbers. Some large or sophisticated systems also contain smaller, self-contained digital devices such flip flops,multiplexers, oscillators, integrators, differentiators, and counters. Each smaller device plays a unique and vital role in the complete system. Before the advent of logic simulators, engineers had to design digital devices and systems by going through a tedious combination of trial-and-error hardware manipulation and educated guesswork.
Logic simulators vary from vendor to vendor, but all offer intuitive GUIs (graphical user interfaces) including toolbars, drag and drop, color coding, and online help. Some programs also offer animation, signal tracing, and alternative logic-gate interconnection options. On the downside, logic simulators run far more slowly than the actual systems do (in some cases millions of times more slowly). Logic simulators can also place significant demands on computer resources because of the vast number of parallel hardware processes that take place in any nontrivial digital system.




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