Tag Archives: Dec2005

RegisterA holds the 8-bits 11011001. Determine the B operand and the logic micro-operation to be performed in order to change the value in A to: 5m Dec2005

RegisterA holds the 8-bits 11011001. Determine the B operand and the logic micro-operation to be performed in order to change the value in A to:  5m Dec2005  01101101 11111101 First refer the table for Logic micro-operations  which can be applied. R1:- 1 0 1 0        (initial value)          R2:- 1 1… Read More »

Construct 16-to-1 line multiplexer with two 8-to-1 line multiplexers and one 2-to-1 line multiplexer. Makes suitable assumptions, if any 5m Dec2005

Construct 16-to-1 line multiplexer with two 8-to-1 line multiplexers and one 2-to-1 line multiplexer. Makes suitable assumptions, if any 5m Dec2005  Multiplexer Multiplexer is one of the basic building units of a computer system which in principle allows sharing of a common line by more than one input lines. It connects multiple input lines to… Read More »

A two-way set-associative cache memory uses blocks of four words. The cache can accommodate a total of 2048 words from the main memory. The main memory size is 128K x 32. 5m Dec2005

What is cache memory?                                                                                5m Dec2005 A two-way set-associative cache memory uses blocks of four words. The cache can accommodate a total of 2048 words from the main memory. The main memory size is 128K x 32. What are the sizes of the following?      TAG      INDEX      Data    … Read More »

Write a 8086 assembly language program to find whether two strings are of equal length. 5m Dec2005

Write a program in 8086 assembly language to find whether two strings are of equal length. You can assume that the strings are stored in the main memory and a string is terminated by a $ character 5m Dec2005 DATA SEGMENT STR1 DB ‘GANGADHAR$’ STR2 DB ‘KOPELLA$’ MSG1 DB 10,13,’LENGTH OF THE STRING 1 IS… Read More »

A computer has 32 registers, ALU has 64 operations. in a common bus system. Formulate a control word; specify bits in each field of the control word. 5m Dec2005

A computer has 32 registers, ALU has 64 operations. All are connected to a common bus system. Formulate a control word for the computer; specify the bits in each field of the control words. 5m Dec2005 Please note the following points: The opcode size is 7 bits. So, in general it will have 27 =… Read More »

Explain the following with the help of a suitable diagram or an example: Error detection and correction process 5m Dec2005

Explain the following with the help of a suitable diagram or an example.  Error detection and correction process 5m Dec2005  Error Detection and Correction Codes: The code, which helps in recognition and correction of errors Computer is an electronic media; therefore, there is a possibility of errors during data transmission. Such errors may result from… Read More »

Explain the following with the help of a suitable diagram or an example: Any two characteristics of video cards / adapters 5m Dec2005

Explain the following with the help of a suitable diagram or an example.  Any two characteristics of video cards / adapters 5m Dec2005  FIVE CHARACTERISTICS OF VIDEO CARDS / ADAPTERS: The purpose of your graphic display system is to display bitmapped graphics on your monitor. The image displayed on your system thus consists of small… Read More »

Explain the following with the help of a suitable diagram or an example: – Evaluation stack architecture 5m Dec2005

Explain the following with the help of a suitable diagram or an example.  Evaluation stack architecture 5m Dec2005 A stack is a data structure that implements Last-In-First-Out (LIFO) access policy. You could add an entry of data (or value) to the stack with a PUSH (value) Function and remove an entry of data (or value) from the… Read More »

Explain the following with diagram or example:- Parameter passing using stack in 8086 assembly language 5m Dec2005

Explain the following with the help of a suitable diagram or an example:- Parameter passing using stack in 8086 assembly language 5m Dec2005  Most HLLs use the stack to pass parameters because this method is fairly efficient. To pass parameters on the stack, push them immediately before calling the subroutine. The subroutine then reads this data… Read More »