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Discuss in detail about Interactive debugging systems. What is meant by external references?


In the nested macro call, the call is done by outer macro and the macro called is the inner macro. The header record,text record and the end record are the three different records used in object program.

What for debug monitors are used? The term document includes objects such as computer programs, text, equations, tables, diagrams, line art, and photographs any thing that one might find on a printed softwarf. Input device is an electromechanical device, which accepts data from the outside world and translates them into a form, which the computer can interpret. Define bit mask The relocation bits are gathered eith following the length indicator in cs304 text record and which is called as bit mask.

What is the function performed in voice input device? Each modification record specifies the starting address and the length of the field whose value is to be altered and also describes the modification to be performed. These statements are also known as macro call. There is no need to refer memory. RESB —It reserves the indicated number of bytes for data area. Explain the design of a loader. The major benefit of using control sections is to increase flexibility.


What are the statements used for conditional macro expansion? Macro processor is system software that replaces each cs23304 with the corresponding group of source language statements.

The format is Col 1 D Col name sith external symbol defined in this control section Col relative address of the symbol with in this control section Col name and relative address for other external symbols.

CS2304 System Software Question bank – 16 Marks Questions | Anna university CSE 5th Semester

What are the two different types of jump statements used in MASM assembler. Update the view appropriately.

What are the basic types of computing environments used in editors functions? Give the advantages of general-purpose macroprocessors. Witj 5 In this instruction one operand is in accumulator and the second operand is a immediate value the value 5 is directly added with the accumulator content and the result is stored in accumulator. In the first instruction immediate addressing is used. First the word in memory location is fetched and which will give the address of the operand.

Discuss the merits of multipass assembler. Editing phase In this phase, the target document is altered with the set of operations such as insert, delete, siftware, move and copy. Text record contains the translated instructions and data of the program.


Qusstion the difference between linking loader and linkage editors. ADD 6 immediate to R indirect Here 6 is the immediate data and the next value is indirect data.

Bit value 0 indicates no modification is required. Explain conditional macro expansion with different types of macro conditional statements. RESW —It reserves the indicated number of words for data area. These are the statements that are not translated into machine instructions,but they provide instructions to assembler itself.

The starting address is obtained from the operating system. Differentiate trailing numeric and leading separate numeric. Define compiler and interpreter.

CS System Software Question Bank With Answers – RANJANI Edition

Loader is a set of program that loads the machine language translated by the translator into the main memory and makes it ready for execution. Register direct, register deferred, auto increment and decrement, program counter relative, base relative, index register mode and indirect addressing are the various addressing modes in VAX architecture.

What is meant by automatic library search?