Sabar notes

 Networking computer network= A collection of computing devices that are connected in various ways in order to communicate and share resources. Usually, the connections between computers in a network are made using physical wires or cables. However, some connections are wireless, using radio waves or infrared signals.  The generic term node or host refers to any device on a network. Date transfer rate= is the speed with which data is moved from one place on a network to another.  Data transfer rate is a key issue in computer networks.  File server= A computer that stores and manages files for multiple users on a network.  Web server= A computer dedicated to responding to requests(from the browser client) for web pages. Types of Networks(LAN) A network that connects a relatively small number of machines in a relatively close geographical area.     Various configurations, called topologies, have been used to administer LANs Ring topology= A configur...

Profitability ratios= return on sales and return on investment 1. return on sales  gross profit marigin operating profit margin pretax margin net profit margin 2. return on investment return on assets(ROA) operating ROA return on total capital return on equity(ROE) return on common equity(ROCE) Income Statement=  Revenue(sales)= 2cr.  COGS=80L gross profit= 1.2cr mkt. sales= 20L office and admin=10L EBITDA=90L depreciation=10L amortization=0 EBIT=80L(operating profit) int.= 20L PBT=60L Tax(30%)=18L Net Profit=42L Gross profit margin= Gross profit/Net sales =120L/200L=0.6=60% Operating proft margin= operating profit/ net sales= 80/200=40% pretax margin=PBT/net= 60/200=0.3=30% net profit margin= net profit/net =42/200=21% high gross proft margin higher pricing, lower product costs higher pricing= competitive advantage superior product, superior branding, exclusive technology lower costs= economics of scale, operating efficiency op margin growth> gp margin growth greater ...

  Today, 11/07/22, I am going to start my study as well as time management.  I have to study for 7 days continuously without being disorganized. So, let's start the journey with a thumbs up.  time= 6.34, asset yogi investing from beginners, studied up to 9 pm, wake up around-8.30, day time no study, I've read 5hours. good hours to getting started.  dt- 12/7/22, stock market- 3.40-5 pm, I took a break. Hung out for 1 hour on my bicycle. 6.30-45= meditation. 7 pm- I will start coding web development.  dt-13/7/22, woke up late, day time no study, 2.30- started studying networking tutorials. I've to wake up early around 6.30. , 2.30-5.30 studied good, 5.30-6.45 important work(cycle repairing), 6.45-78= brainstorming with natu bhanja. 8 started coding and ended at 9 pm. Again started 10.30 pm-11.3. I think I'm dumb at file explorer. I gotta know about it.  dt-14/7/22 woke up late but was good as compared to previous days. day time no study, college is very frust...