Data Link Layer INTRODUCTION: Now a day’s communication is vital for the entire world‚ nothing happens without communication. The cell radio communication and wireless computer networks of GSM (Global System Mobile)‚ CDMA (Code Division Multiple Access) type are worldwide communication systems. All these communication systems are based on the reference model OSI-RM (Open System Interconnection-Reference Model) Description of OSI-RM System: OSI-RM is an International Standard ISO that defines
Premium Routing protocol OSI model Routing
Data Management Strategy in Organizations Today Regardless of the size of an organization‚ proper data management is vital for innumerable reasons. Data is stored in various forms- computer‚ paper‚ or any form of electronic media. Some data can be obstructed after a certain period‚ but other data would be crucial for the operative management of a company. In other words‚ inadequate data management could contribute to the success or failure of an organization. Unfortunately many companies have
Premium Data management Business intelligence
Research Design and data gathering methods The design process that will be implemented within the research will be exploratory followed by descriptive research. Exploratory would be the best fit as part of the initial stage of the research design as it provides further insight into what the managers needs are. Given that prior to the development of this market research design extensive research was conducted on the needs of training materials for small businesses. However even though prior research
Premium Scientific method Research Design
Data Cleansing/Scrubbing The concept of information cleansing / scrubbing is to improve the quality of organizational information and thus the effectiveness of decision making businesses must formulate a strategy to keep information clean. This is a process that weeds out and fixes or discards inconsistent‚ incorrect‚ or incomplete information. Specialized software tools use sophisticated algorithms to parse‚ standardize‚ correct‚ match and consolidate data warehouse information. This is vitally
Premium Data management Business intelligence
Conceptual Data Models for Database Design Database Design Process The database design process consists of a number of steps listed below. We will focus mainly on step 2‚ the conceptual database design‚ and the models used during this step. Step 1: Requirements Collection and Analysis ▪ Prospective users are interviewed to understand and document data requirements ▪ This step results in a concise set of user requirements‚ which should be detailed and complete. ▪ The functional
Premium Entity-relationship model
Transforming Logical Data Models into Physical Data Models Susan Dash Ralph Reilly IT610-1404A-01 According to an article written by Tom Haughey the process for transforming a logical data model into a physical data model is: The business authorization to proceed is received. Business requirements are gathered and represented in a logical data model which will completely represent the business data requirements and will be non-redundant. The logical model is then transformed into a first cut physical
Premium Data modeling SQL Database
contains only three base cells: (1) (a1‚ b2‚ c3‚ d4; ...‚ d9‚ d10)‚ (2) (a1‚ c2‚ b3‚ d4‚ ...‚ d9‚ d10)‚ and (3) (b1‚ c2‚ b3‚ d4‚ ...‚ d9‚ d10)‚ where a_i != b_i‚ b_i != c_i‚ etc. The measure of the cube is count. 1‚ How many nonempty cuboids will a full data cube contain? Answer: 210 = 1024 2‚ How many nonempty aggregate (i.e.‚ non-base) cells will a full cube contain? Answer: There will be 3 ∗ 210 − 6 ∗ 27 − 3 = 2301 nonempty aggregate cells in the full cube. The number of cells overlapping twice is 27
Premium Computer Dimension SQL
Problem Set 1 Complete all questions listed below. Clearly label your answers. 1. The receipts and year of release of the five movies with the largest nominal box office revenues‚ along with the CPI data of each year are presented below. Assuming that the receipts for each of the movies were derived during their year of release‚ convert the receipts for each to real dollars for the year 2010 (2010 CPI 230.1). Put the movies in order from largest to smallest real box office receipts and show
Premium Economics Inflation Unemployment
REPORT ON USES OF DATA BASE IN DIFFERENT SECTORS BY MANAGERS SUBJECT- MANAGEMENT INFORMATION SYSTEM SUBMITTED TO: DR. RICHA MISRA SUBMITTED BY: SHUBHADIP BISWAS ROLL NO.-FT-10-948 SEC-A GDM 10-12 IILM-GSM DATE
Premium Database Database management system Entity-relationship model
[2009] 5 MLJ ciii Malayan Law Journal Articles 2009 PRIVACY AND PERSONAL DATA PROTECTION IN THE MALAYSIAN COMMUNICATIONS SECTOR — EXISTING IN A VOID? PK Yong Advocate and Solicitor LLM (Information Technology and Telecommunications Law) Introduction Networks and services‚ which provide a secure environment‚ are fundamental to consumer confidence. This confidence rests on the premise that the privacy of communication is protected. At its basic core‚ this means respect for fundamental human
Premium Human rights Privacy Privacy law