BCA DCA2103 Computer Organization

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Description

SESSION NOVEMBER 2024
PROGRAM BACHELOR OF COMPUTER APPLICATIONS (BCA)
SEMESTER III
COURSE CODE & NAME DCA2103 COMPUTER ORGANIZATION
   
   

 

 

SET-I

 

  1. What do you mean by addressing modes? List the different types of addressing modes. 5+5

Ans 1.

Addressing Modes in Computer Organization

In computer organization, addressing modes refer to the methods used to specify the location of an operand (data) that the CPU needs to process. Addressing modes are an essential aspect of a computer’s instruction set architecture as they determine how data is accessed in memory or registers. They help the CPU fetch the required data, making programming more flexible and efficient. The choice of addressing

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  1. What are the functions of the control unit? Explain.

Ans 2.

Functions of the Control Unit in Computer Organization

The Control Unit (CU) is a vital component of the Central Processing Unit (CPU) in a computer system. It acts as the coordinator, directing the operation of the computer by managing and controlling the flow of data between the CPU and other hardware components such as memory, input/output devices, and storage units. The control unit ensures that the instructions provided by a

 

  1. Explain the concept of memory interleaving.

Ans 3.

Concept of Memory Interleaving

Memory interleaving is a technique used in computer systems to improve the performance of memory access operations by dividing memory into multiple modules and distributing data across these modules. It addresses the issue of memory access bottlenecks, which arise when the CPU must wait for memory to respond during read or write operations. By enabling parallel access to multiple memory modules, memory interleaving significantly enhances system throughput and reduces latenc

 

SET-II

 

 

  1. Write a note on DVD.

Ans 4.

A Digital Versatile Disc (DVD) is an optical storage medium widely used for storing data, videos, and other digital content. It was developed in the mid-1990s as an evolution of the Compact Disc (CD), offering significantly higher storage capacity and better data reliability. DVDs gained popularity due to their ability to store high-quality video and audio, making them a primary medium for movies, software distribution, and data storage for personal and professional use.

DVDs are similar in physical appearance to CDs, with a standard diameter of 12 centimeters. However, their

 

  1. Describe briefly PCI bus and its importance.

Ans 5.

PCI Bus and Its Importance

The Peripheral Component Interconnect (PCI) bus is a high-speed communication system that connects various components of a computer, such as the CPU, memory, and peripheral devices. Introduced by Intel in the early 1990s, PCI became a standard interface for adding expansion cards, such as graphics cards, sound cards, network adapters, and storage controllers, to desktop

 

  1. Differentiate between multiprocessing and multiprogramming. 5+5

Ans 6.

Multiprocessing vs. Multiprogramming

Multiprocessing and multiprogramming are two fundamental concepts in computer systems that deal with improving the utilization and performance of computing resources. While they share similarities in their goal to enhance system efficiency, they differ significantly in their implementation and purpose.

Multiprocessing

Multiprocessing refers to the use of two or more processors (CPUs) within a single computer system to execute multiple tasks simultaneously. In a multiprocessing system, each processor works on a different task