BS/U4 Topic 1 Index Numbers: Definition, Characteristics, Uses, Types
The value of money does not remain constant over time. It rises or falls and is inversely related to the changes in the price level. A rise in the price […]
BS/U4 Topic 2 Problem related to Index Numbers
Problem # 1. Inadequate Coverage: The first problem lies in the fact that it is impossible to cover all commodities and their price. Moreover, the price at which a particular good […]
BS/U4 Topic 3 Methods of Constructing index Numbers
An index number is a statistical derives to measure changes in the value of money. It is a number which represents the average price of a group of commodities at […]
BS/U4 Topic 4 Price, Quantity and Value Indices
Price index (PI) A price index (PI) is a measure of how prices change over a period of time, or in other words it is a way to measure inflation. […]
BS/U4 Topic 5 Chain index Numbers
In this method, there is no fixed base period; the year immediately preceding the one for which the price index has to be calculated is assumed as the base year. […]
BS/U2 Topic 6 Determination of Coefficient of skewness
Mathematical measures of skewness can be calculated by : (a) Bowley’s Method (b) Karl-Pearson’s Method (c) Kelly ‘s method (a) Bowley’s Method Bowley’s method of skewness is based on the […]
CA/U4 Topic 1 Data Communication Concepts
Data communications (DC) is the process of using computing and communication technologies to transfer data from one place to another, and vice versa. It enables the movement of electronic or […]
CA/U4 Topic 2 Types of Communication Media
Communication media refers to the means of delivering and receiving data or information. In telecommunication, these means are transmission and storage tools or channels for data storage and transmission. Different […]
CA/U4 Topic 3 Concept of Computer Networks
A computer network is a group of computer systems and other computing hardware devices that are linked together through communication channels to facilitate communication and resource-sharing among a wide range […]
CA/U4 Topic 4 Internet, Intranet, Extranet
Information technology has been rapidly advancing over the last decade, with information being available as an on demand commodity at levels never before imagined. Today, a teenager in rural India […]
CA/U4 Topic 6 Networking Devices
Network Devices Repeater A repeater operates at the physical layer. Its job is to regenerate the signal over the same network before the signal becomes too weak or corrupted so […]
CA/U4 Topic 7 OSI model
The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal […]
CA/U4 Topic 8 Information Technology and Society
The data industry contains all computer, communications, and also electronics-related organizations, such as hardware, applications, and solutions. Completing tasks using data technology leads to rapid processing and data freedom, in […]
CA/U4 Topic 10 Security issues in Information Technology
MIS security refers to measures put in place to protect information system resources from unauthorized access or being compromised. Security vulnerabilities are weaknesses in a computer system, software, or hardware […]
CA/U3 Topic 1 Introduction to Word Processor
A word processor (WP) is a computer program or device that provides for input, editing, formatting and output of text, often with additional features. Early word processors were stand-alone devices […]
CA/U3 Topic 2 Presentation Software
Presentation software is a category of application software that is specifically designed to allow users to create a presentation of ideas by stringing together text, images and audio/video. The presentation […]
CA/U3 Topic 3 Advanced Excel: Introduction, Features
Advanced Excel refers to features and functions of Microsoft Excel tool which helps the user to perform complex and large calculations, data processing on the huge amount of data, performing […]
