Tag Archives: register


Write and explain the sequence of micro-operations that are required to fetch and execute this instruction? – IGNOU MCA Assignment 2015 – 16

MASTER OF COMPUTER APPLICATIONS Course Code : MCS-012 Course Title : Computer Organisation and Assembly Language Programming Assignment Number : MCA(I)/012/Assignment/15-16 Maximum Marks : 100 Weightage : 25%   Assume that the machine as stated in part (a) has named 5 of its general purpose registers based on their possible role in instruction execution as… Read More »

Explain how overlapped register window can be implemented for procedure calls. Explain the process of parameter passing for the subroutine call on this machine? – IGNOU MCA Assignment 2015 – 16

MASTER OF COMPUTER APPLICATIONS Course Code : MCS-012 Course Title : Computer Organisation and Assembly Language Programming Assignment Number : MCA(I)/012/Assignment/15-16 Maximum Marks : 100 Weightage : 25%   Assume that a RISC machine has 128 registers out of which 16 registers are reserved for the Global variables and 16 for Instruction related tasks. This… Read More »

Evaluate the effective address if addressing mode is Direct, Relative, Register indirect, Index with lndex register 6m Dec2005

An instruction is stored at location 500 with its address field at location 501. The address field has the value 300. A processor register R1 contains the number 100. Evaluate the effective address if the addressing mode of the instruction is   6m Dec2005                        … Read More »

Explain how overlapped register window can be implemented for procedure calls. Explain the process of parameter passing for the subroutine call on this machine? – IGNOU MCA Assignment 2014 – 15

MASTER OF COMPUTER APPLICATIONS Course Code : MCS-012 Course Title : Computer Organisation and Assembly Language Programming Assignment Number : MCA (2)/012/Assign /2014-15 Maximum Marks : 100 Weightage : 25% Assume that a RISC machine has 64 registers out of which 16 registers are reserved for the Global variables. This machine has been designed to… Read More »

Write and explain the sequence of micro-operations that are required to fetch and execute this instruction? – IGNOU MCA Assignment 2014 – 15

MASTER OF COMPUTER APPLICATIONS Course Code : MCS-012 Course Title : Computer Organisation and Assembly Language Programming Assignment Number : MCA (2)/012/Assign /2014-15 Maximum Marks : 100 Weightage : 25% A hypothetical 16 bit machine has PC, AC, MAR, IR, DR and Flag registers (You may assume the roles of these registers same as that… Read More »

An Assembly language program convert 2 digit ASCII to binary – IGNOU MCA Assignment 2014 – 15

BACHELOR OF COMPUTER APPLICATIONS Course Code : BCSL-022 Course Title : Assembly Language Programming Lab Assignment Number : BCA(II)/BCSL022/Assign/14-15 Maximum Marks : 50 Weightage : 25%   Write and run an assembly language program that accepts a two digit input from the keyboard, and convert this two digit ASCII to equivalent binary value. The output… Read More »

A procedure in Assembly Language to convert two unpacked BCD to packed BCD – IGNOU MCA Assignment 2014-15

BACHELOR OF COMPUTER APPLICATIONS Course Code : BCSL-022 Course Title : Assembly Language Programming Lab Assignment Number : BCA(II)/BCSL022/Assign/14-15 Maximum Marks : 50 Weightage : 25%   Write and run (using appropriate calling program) a near procedure in assembly language that converts two unpacked BCD digits to a packed BCD digit. Both the unpacked BCD… Read More »

An Assembly Language program to convert packed BCD to equivalent binary – IGNOU MCA Assignment 2013

BACHELOR  OF COMPUTER APPLICATIONS Course Code : BCSL-022 Course Title : Assembly Language Programming Lab Assignment Number : BCA(II)/BCSL022/Assign/13   Write and run an assembly language program that converts a packed two digit BCD number in AL register to equivalent binary number. The binary number is stored in the AH register   DATA SEGMENT      PACKEDBCD… Read More »

A near procedure assembly Language program to convert ASCII to binary – IGNOU MCA Assignment 2013

BACHELOR  OF COMPUTER APPLICATIONS Course Code : BCSL-022 Course Title : Assembly Language Programming Lab Assignment Number : BCA(II)/BCSL022/Assign/13    Write and run (using appropriate calling program) a near procedure in assembly language that converts an ASCII digit passed to it on AL register to equivalent binary value. The value is returned back on the AL… Read More »

A program in Assembly language to convert two unpacked to packed BCD – IGNOU MCA Assignment 2013

MASTER OF COMPUTER APPLICATIONS Course Code : MCS-012 Course Title : Computer Organisation and Assembly Language Programming Assignment Number : MCA(1)/012/Assign/2013 and BCA(II)/012/Assign/2013   Write a program in 8086 assembly language to convert a two digit unpacked BCD number into equivalent ASCII digits and a packed BCD number. The packed BCD number is to be stored in… Read More »