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Overview and History
Overview and History

Introductory lecture
Introductory lecture

CSC 221: Introduction to Programming Fall 2011
CSC 221: Introduction to Programming Fall 2011

... COLOSSUS and ENIAC were not general purpose computers   could enter input using dials & knobs, paper tape   but to perform a different computation, needed to reconfigure ...
Overview and History
Overview and History

Overview and History
Overview and History

Applications software and programming
Applications software and programming

Computer Applications in Business
Computer Applications in Business

... but difficult to read by people.  This is why people use higher level programming languages.  Programs written in high-level languages are compiled and/or interpreted into machine language so computers can execute them. ...
Slides4
Slides4

program
program

... Machine code is not very portable. As you know, machine code is comprised of binary-format instructions. Those binary-format instructions are intimately tied to a particular type of computer. ...
Thursday
Thursday

CS105 Introduction to Computer Concepts Intro to programming
CS105 Introduction to Computer Concepts Intro to programming

Introduction
Introduction

Programming Languages
Programming Languages

Document
Document

CPS120 - Washtenaw Community College
CPS120 - Washtenaw Community College

One. Clear the even-numbered bits of AX, leaving the other bits
One. Clear the even-numbered bits of AX, leaving the other bits

What Is Assembly Language?
What Is Assembly Language?

Introduction to Computer Programming Language
Introduction to Computer Programming Language

... instructions (one-to-many correspondence). • Much easier to program than in assembly language. • Data are referenced using descriptive names. • Operations can be described using familiar symbols. • A machine language system program called a compiler is needed to compile or transform the code into ma ...
99_Introduction
99_Introduction

System Overview
System Overview

COMS 261
COMS 261

... • Error prone, single bit out of place • Specific to only one machine – Said to be not portable ...
Chapter 1 Exercises and Answers
Chapter 1 Exercises and Answers

Principles of Programming Languages - 815338A
Principles of Programming Languages - 815338A

... • Initially translate programs to an intermediate language • Then compile the intermediate language of the subprograms into machine code when they are called • Machine code version is kept for subsequent calls • JIT systems are widely used for Java programs • .NET languages are implemented with a ...
Introduction to Computing
Introduction to Computing

History of computers 1
History of computers 1

< 1 ... 7 8 9 10 11 12 >

Assembly language



An assembly language (or assembler language) is a low-level programming language for a computer, or other programmable device, in which there is a very strong (generally one-to-one) correspondence between the language and the architecture's machine code instructions. Each assembly language is specific to a particular computer architecture, in contrast to most high-level programming languages, which are generally portable across multiple architectures, but require interpreting or compiling.Assembly language is converted into executable machine code by a utility program referred to as an assembler; the conversion process is referred to as assembly, or assembling the code.Assembly language uses a mnemonic to represent each low-level machine instruction or operation. Typical operations require one or more operands in order to form a complete instruction, and most assemblers can therefore take labels, symbols and expressions as operands to represent addresses and other constants, freeing the programmer from tedious manual calculations. Macro assemblers include a macroinstruction facility so that (parameterized) assembly language text can be represented by a name, and that name can be used to insert the expanded text into other code. Many assemblers offer additional mechanisms to facilitate program development, to control the assembly process, and to aid debugging.See the terminology section below for information regarding inconsistent use of the terms assembly and assembler.↑
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