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pass 1 assembler is assembler which convert assembly level language into machine level language in one pass only
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Two main options for the design of assembler are:
1. One pass assembler
2. Multi-pass assembler
One pass assemblers generally have problem of "forward referencing" which is resolved by using mulitpasses
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The Microsoft Macro Assembler (abbreviated MASM) is an x86 high-level assembler for DOS and Microsoft Windows.
Microsoft Assembeler for MS Dos
M As M
Today, MASM is still the most popular assembler,[1] despite competition from new products such as NASM and Yasm, FASM, and HLA.
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One well known and good assembler is NASM. (Netwide ASseMbler). This can be found at http://nasm.sf.net
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An assembler which runs on a computer for which it produces object codes
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An absolute assembler is a computing term for an assembler which generates code which uses only absolute addresses.
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There are several examples of assemblers:
GAS - the GNU Assembler
MASM - Microsoft Macro Assembler
NASM - Netwide Assembler
The assembler is the program which converts assembly code into machine code - a necessary step to prepare a program for execution.
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Meta-assembler is a program that accepts the syntactic and semantic description of an assembly language, and generates an assembler for that language.
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Meta-assembler is a program that accepts the syntactic and semantic description of an assembly language, and generates an assembler for that language.
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Assembly langue is translated into machine language by an assembler.
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what is the difference between an assembler and the translator
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Assembler directives are also known as pseudocode.It is instruction to assembler regarding the program to be assembled. For example ORG 4000 is an assembler directive which tells the assembler that program is stored from location 4000.
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Initial Orders was the first assembler. It was developed for the EDSAC in 1949.
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The objective of assembler is to provide a programmer oriented interface to the hardware of a particular computer
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Kevin McQuillen has written:
'DOS/VSE assembler language' -- subject(s): Assembler language (Computer program language), DOS/VSE
'MVS assembler language' -- subject(s): Assembler language (Computer program language), IBM MVS
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An Assembler converts an assembly language source code into machine-specific code.
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Most of the compiler's that are used to compile programs is coded with the old assembler language. Assembler is also the older language which is used in the old Mainframe environment
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Micro assembler is a assembler which is a sub part of assembler. It is also translate a low level language to machine level language.
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The output of an assembler is a part or all of a product. An assembler can work in a variety of manufacturing operations with the right training.
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The functions of an assembler mainly include fitting in parts of a computer together. This is what is commonly known as assembly of a computer.
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The functions of an assembler mainly include fitting in parts of a computer together. This is what is commonly known as assembly of a computer.
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It is an assembler language programmer
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Manual coding of 8086 is difficult hence we use a assembler or a compiler. Note that the microprocessor should be able to interpret your discussions via the program. Suppose if the instruction corresponds to word(16 bits), we use assembler directive WORD PTR, but when assembler is contacting the processor it sets a bit called 'w' indicating its a byte operation.
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an assembler is aroutine program that translates assemly language source code to a machine language object code
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For completing all the tasks, an assembler needs some hints from the programmer, i.e. the required storage for a particular constant or a variable, logical names of the segments, types of the different routines and modules, end of file, etc. These types of hints are given to the assembler using some predefined alphabetical strings called assembler directives, which help the assembler to correctly understand the assembly language programs to prepare the codes.
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1) Instruction format and addressing modes. 2) Relocation. For details refer "System Software By L.L.Beck" BY:: SUNIL SHARMA (sunil13982@gmail.com)
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To the question,
It is an low level language
An assembly language is use to write programs :
1.Games
2.Operating system
3.Utility program
4.compiler/assembler/interpreter
5.Virus
6.Defragmenter
7.Device driver
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1. Allocation - by programmer
2.Linking - by programmer
3.Relocation - by assembler
4.Loading - by loader.
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Assembler However, because the computer does not understand mnemonics, we utilise Assembler to convert them into machine language. Assembler is a machine code translator that accepts assembly code as input and outputs machine code.
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An assembler takes abbreviated names for computer instructions, like "MOV", and turns them into the numeric bytes which, when loaded into memory, can be executed by the CPU.
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An Assembler converts assembly language instructions into machine language.
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Rainer Alletsee has written:
'Assembler' -- subject(s): Assembler language (Computer program language), Study and teaching
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A low-level language is any symbolic computer programming language that has a low-level of abstraction between the language itself and the machine code that it produces. Assembler language has a near 1:1 relationship with its resultant machine code and is therefore a low-level language.
In fact, the only things lower than assembler language is machine code itself and disassembly, which is the reverse of assembly, both of which have no abstraction whatsoever. The only real difference between assembler language and disassembly are that disassembly has none of the comments and none of the symbolic references used by the original assembler, since both were stripped out during assembly.
However, a competent hacker, with the aid of the disassembler, can reconstruct a facsimile of the original assembler from the machine code disassembly, thus permitting software to be reverse-engineered.
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1. Allocation - by programmer
2.Linking - by programmer
3.Relocation - by assembler
4.Loading - by loader.
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I am not sure about the answer but think so,
Assembler: Its a program that converts a low level language into machine code, and there is a one-to-one correspondence between the source language statements and machine instructions
Macro- Assembler: It performs the same task as does the assembler but there is some times a one-to-many correspondence between the source language statements and machine instructions.
Please discuss further...
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There is only one type of low-level language: assembler language. However, every architecture has its own specific version of assembler.
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