Computer Organization and Architecture Mcqs

Page No. 12

Instructions which won’t appear in the object program are called as _____


aRedundant instructions


bExceptions


cComments


dAssembler Directives


View Answer Assembler Directives

The alternate way of writing the instruction, ADD #5,R1 is ______


aADD [5],[R1];


bADDI 5,R1;


cADDIME 5,[R1];


dThere is no other way


View Answer ADDI 5,R1;

The instructions like MOV or ADD are called as ______


aOP-Code


bOperators


cCommands


dNone of the mentioned


View Answer OP-Code

__________ converts the programs written in assembly language into machine instructions.


aMachine compiler


b Interpreter


cAssembler


dConverter


View Answer Assembler

The wrong statement/s regarding interrupts and subroutines among the following is/are ______
i) The sub-routine and interrupts have a return statement
ii) Both of them alter the content of the PC
iii) Both are software oriented
iv) Both can be initiated by the user


ai, ii and iv


bii and iii


civ


diii and iv


View Answer iii and iv

The most Flexible way of logging the return addresses of the subroutines is by using _______


aRegisters


bStacks


cMemory locations


dNone of the mentioned


View Answer Stacks

The most efficient way of handling parameter passing is by using ______


aGeneral purpose registers


bStacks


cMemory locations


dNone of the mentioned



When parameters are being passed on to the subroutines they are stored in ________


aRegisters


bMemory locations


cProcessor stacks


dAll of the mentioned


View Answer All of the mentioned

The appropriate return addresses are obtained with the help of ____ in case of nested routines.


aMAR


bMDR


cBuffers


dStack-pointers


View Answer Stack-pointers

In case of nested subroutines the return addresses are stored in __________


aSystem heap


bpecial memory buffers


cProcessor stack


dRegisters


View Answer Processor stack

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