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🏝🎻🏝*IMPORTANT COMPUTER QUESTIONS*🏝🎻🏝 ═════════════════♢.✰.♢══════════════════ ☂️☂️1. The first programming language was – FORTRAN ☂️☂️2. Which stores data permanently in a computer – ROM ☂️☂️3. Which is a main system board a computer – Mother Board ☂️☂️4. What is a bug in a computer terminology – an error in program ☂️☂️5. An electronic path, that sends signals from one part of computer to another is – Bus ☂️☂️6. USB is which type of storage device – Tertiary ☂️☂️7. Who is known as father of Artificial Intelligence - John McCarthy ☂️☂️8. Which term is related to database – Oracle ☂️☂️9. Computer resolution measures – Number of Pixels ☂️☂️10. One nibble is equal to how many bits – 4 Bits ☂️☂️11. What can be considered as basic building blocks of a digital circuit – Logic Gates #Revision #important ✍️✍️CREDIT:-Krushna⭐️⭐️ 🏝🏝 Join Now 👉@Daily_Science_Computer_Notes

🔷 • What is the scientific name of tomato? - Lycopresican esculentum 🔶• What is the scientific name of spinach? - Spinia oleraceae 🔷 What is the scientific name of brinjal? - Aconitium heterophyllum 🔶 • What is the scientific name of cauliflower? - Brassica aularesia 🔷 • What is the scientific name of Ginger? - Jinjibar Officinal 🔶What is the scientific name of garlic? - Allium ceraivan 🔷 • What is the scientific name of carrot? - Dakas carota 🔶• What is the scientific name of radish? - Refenus sativis 🔷Glucose + Glucose = Maltose 🔶Glucose + Galactose = Lactose #Revision #important ✍️✍️CREDIT:-Krushna⭐️⭐️ 🏝🏝 Join Now 👉@Daily_Science_Computer_Notes

🏝♻️🔰🔻IMPORTANT NOTES🔻🔰♻️🏝 ════════════♢.✰.♢══════════════ 🔷● The point at which all rays converge is termed as Focus. 🔶● The opening in a lens through which light passes to enter the camera is called Aperture. 🔷● The point where the principal axis meets the surface is called Pole of a Lens. 🔰● An electric bulb of 100 W is used 8 hours per day. The energy consumed by the bulb in one day is 0.8 units. 👉● The unit of electrical energy is the Kilowatt-hour. 👉● The amount of power used is called Energy Consumption. 🏝● In the modern periodic table. Period 6th and 7th contain Lanthanides and Actinides. 🏝● Lanthanides are the rare earth elements of the modern periodic table with atomic numbers from 58 to 71. 🏝● The actinides are elements with atomic no. 89 to 103. 🏝● The lanthanides and actinides together are also known as inner transition elements. 👉● Tomato is the natural source of Oxalic acid. 👉● The chemical formula for oxalic acid is C2H2O4. 👉● Oxalic acid is a white crystalline solid that forms a colorless solution in water. 🔰● Sour Milk contains Lactic acid. 🔰● Ant sting contains Formic acid. 🔰● Tamarind contains Tartaric acid. 🌐● Pulses is a leguminous crop. 🌐● The Crops that have nodules in their roots which contain nitrogen fixing bacteria are called Leguminous crops. 🌐● Madya Pradesh is the largest producer of pulses in India. 🌐● Sesame is a rabi crop. #Revision #important ✍️✍️CREDIT:-Krushna⭐️⭐️ 🏝🏝 Join Now 👉@Daily_Science_Computer_Notes

🔷• What is the branch of agriculture that is concerned with fodder shelter, health and reproduction of domesticated animals - Animal husbandry (Animal Husbandry) 🔶• Which element is helpful for making chlorophyll in plants - Magnesium 🔷• Taj Mahal being affected - due to Acid Rain 🔶 Dissolved amounts are measured to determine water pollution in the river. 🔷• What is called the flora occurring in the salty region - halophyte 🔶 • Which part of the plant respires - the leaf of the plant 🔷• How is banana and coconut fruit-cotyledon 🔶 • What is obtained from the bark of the stem of the Cinchona plant - quinine 🔷• What is important in germination of seeds - air humidity and proper temperature 🔶• What is the study of old age called - Gerontology 🔷Study of important statistics of population and mankind is called - Demography 🔶• What is an aquatic plant called - Hydrophyte 🔷 • Which gas is used to artificially cook green fruits - acetylene 🔶 • In the process of photosynthesis, light energy is converted into which energy - chemical energy 🔷 • On the basis of the age of the tree is determined on the basis of the number of rings - regulator of temperature in equine animals 🔶What is the brain center - hypothalamus 🔷 • What are yeast and mushrooms - mold 🔶• What is the number of bones in adult human body - 206 🔷• Influenza disease - caused by virus 🔶• Water is soluble vitamin - Vitamin C 🔷• Who was the victim of insulin - FG Benting 🔶The chemical name for Vitamin C is ascorbic acid. 🔷• Which is the largest endocrine gland of human body - liver 🔶What is an enzyme - protein 🔷• Which animal has first domesticated man - a dog 🔶Who are the inventors of 'typewriter' - Sholes 🔷• What is vinegar called in Latin - Assetam 🔶• Used to remove rust spots from clothes - oxalic acid 🔷 • What causes 'red rot disease' in sugarcane - by fungi 🔶 What is the botanical name of mango - Mangifera indica 🔷• Chikori powder mixed with coffee powder is obtained - from roots 🔶• What is the best source of Vitamin C - Amla 🔷• Who discovered penicillin - Alexander Fleming 🔶 • What is Mushroom - Fungi 🔷 • The white color of milk is due to the presence of - casein protein 🔶• Which gas is necessary for photosynthesis - carbon dioxide 🔷• The process of preparing food of plants and trees is called - photosynthesis. 🔶• Which metal is present in chlorophyll (Green Lover) - Magnesium 🔷• Which is the world's tallest plant - Eucalyptus 🔶• Which is the only bird that flies backwards - the humming bird 🔷What is the study of flowers called - Anthology #Revision #important ✍️✍️CREDIT:-Krushna⭐️⭐️ 🏝🏝 Join Now 👉@Daily_Science_Computer_Notes

☂️🔺💠🌐HUMAN BODY🌐💠🔺☂️ ════════════♢.✰.♢═══════════ 🔷*The base of life is Ans : Amino acids 🔶*The largest cell in human body is Ans : Neuron 🔷*Life originated from Ans : Water 🔶*Theory of evolution was proposed by Ans : Charles Darwin 🔷*The largest cell in human body Ans : Ovum 🔶*The smallest cell in human body Ans : Sperm 🔷*The main function of sweating is to regulate the Ans : Body temperature 🔶*Normal temperature of human body Ans : 36.9°C (98.4°F) 🔷*The temperature of human body in Ans : Kelvin scale - 310K 🔶*The most abundant mineral in the human body Ans : Calcium 🏝🏝Units of Computer Memory Measurements🏝🏝 ════════════════♢.✰.♢══════════════════ 🔹1 Bit =Binary Digit 🔸8 Bits =1 Byte 🔹1024 Bytes =1 KB (Kilo Bye) 🔸1024 KB =1 MB (Mega Byte) 🔸1024 MB =1GB (Giga Byte) 🔹1024 GB =1 TB (Terra Byte) 🔸1024 TB =1 PB (Peta Byte) 🔹1024 PB =1 EB (Exa Byte) 🔸1024 EB = 1 ZB (Zetta Byte) 🔹1024 ZB =1 YB (Yotta Byte) 🔸1024 YB =1 Bronto Byte 🔹1024 Bronto Byte =1 Geop Byte #Revision #important ✍️✍️CREDIT:-Krushna⭐️⭐️ 🏝🏝 Join Now 👉@Daily_Science_Computer_Notes

☂️🔺☂️Imp Science One Liners☂️🔺☂️ ════════════♢.✰.♢══════════════ 🔷● Aluminium has the electronic configuration 2, 8, 3. 🔶● It is the most abundant metallic element in Earth's crust. 🔶● Sodium has the electronic configuration 2, 8, 1. 🔷● Magnesium has the electronic configuration 2, 8, 2. 🔶● Argon has the electronic configuration 2, 8, 8. 🔷● An instrument called the Ammeter measures the electric current in a circuit. 🔶● It is usually connected in series and has low resistance. 🔷● The electrical instrument that measures electrical resistance is called Ohmmeter. 🔶● Megohmmeter is to measure large values of resistance. 🔷● The device that is used to measure temperature is called Thermometer. 🔶● The device used to maintain orientation and angular velocity is called Gyroscope. 🔷● Cytokinins promotes cell division. 🔶● Abscisic acid promotes dormancy in seeds and Buds in plants. 🔷● Gibberellins are very helpful in stem elongation in plants. 🔶● Auxin promotes cell elongation in plants. #Revision #important ✍️✍️CREDIT:-Krushna⭐️⭐️ 🏝🏝 Join Now 👉@Daily_Science_Computer_Notes

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💠🌐♻️ATOM♻️🌐💠 *Basic unit of Chemistry Ans : Atom *Smallest units of a matter Ans : Atom *Atom was derived from a greek word Ans : 'Atomos' (means indivisible) *Atom was discovered by Ans : John Dalton *Law of Multiple Proportion was put forward by Ans : John Dalton *The term 'atom' was coined by Ans : Ostwald *The fundamental particles of an atom Ans : Proton, Electron and Neutron *The central part of an atom Ans : Nucleus *The sub atomic particles of Nucleus Ans : Protons and Neutrons *Heaviest sub atomic particle Ans : Neutron *Lightest sub atomic particle Ans : Electron *Moving particle of an atom Ans : Electron *The charge of an electron is Ans : Negative *Protons and Neutrons are collectively known as Ans : Nucleons *Chemical property of a substance is determined by Ans : Electrons *The smallest atom Ans : Helium (He) *The simplest atom Ans : Hydrogen (H) *Biggest known atom Ans : Francium (Fr) *The unit of measuring mass of an atom Ans : Atomic Mass Unit (amu) *1 atomic mass unit is equal to Ans : 1.6605 xlO’27 Kg *The element used to find amu Ans : Carbon-12 #important ✍️✍️CREDIT:-Krushna⭐️⭐️ 🏝🏝 Join Now 👉@Daily_Science_Computer_Notes

🏝🏝⛲️Generations of Computers⛲️🏝🏝 ════════════♢.✰.♢══════════════ ❖◇❖First Generation (1945-1955)❖◇❖ 🔺1. Vacuum Tubes invented 🔺2. Magnetic Drum for memory 🔺3. Works on 4000 bits 🔺4. ENIAC, EDVAC, EDSAC, UNIVAC-I ❖◇❖Second Generation (1955-1965)❖◇❖ 🔺1. Transistors invented by J. Bardeen, H.W. Brattain and W. Shockley 🔺2. Magnetic Core was used for primary storage 🔺3. 32,000 bits 🔺4. IBM 700/7000, 7094, 1401, IBM 650, ATLAS, CDC (Control data Corporation) 1604, 3600, NCR (National cash register)304 ❖◇❖Third Generation (1965-1971)❖◇❖ ◇◇1. IC (Integrated circuits) invented by Jack Kilby and Robert Noyce ◇◇2. 128,000 bits ◇◇3. Multiprogramming ◇◇4. Keyboard, Monitor ◇◇5. IBM 360, 370, PDP (Programmed Data Processor) 8, 11, UNIVAC AC9000 ❖◇❖Fourth Generation (1971-1990)❖◇❖ ◇◇1. LSI, VLSI ◇◇2. 100 Million bits ◇◇3. Microprocessor (4004) ◇◇4. Time sharing, Real time, Distributed and Networks OS were introduced ◇◇5. Apple Macintosh, IBM PC, SUN SPARC, STAR 1000 ❖◇❖Fifth Generation (1990-Till Date)❖◇❖ 🔺🔺1. ULSI, SLSI, AI 🔺🔺2. Robotics, Neural Networks, Expert System 🔺🔺3. Parallel Processing 🔺🔺4. HVD Technique 🔺🔺5. Advancement of Supercomputing 🔺🔺6. Laptop, Desktop, Notebook, Ultrabook, Chromebook #important ✍️✍️CREDIT:-Krushna⭐️⭐️ 🏝🏝 Join Now 👉@Daily_Science_Computer_Notes