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🏝🏝✅ SCIENCE IMPORTANT QUESTIONS 🏝🏝
☂️☂️1. R. H. Factor is related to - blood
☂️☂️2. purifies blood - kidney
☂️☂️3. Urine is formed - in the kidney
☂️☂️4. Blood pressure measuring instrument -
Sphygmomanometer
☂️☂️5. Stones formed in human kidneys - calcium oxalate
☂️☂️6. Oxygen is transported in the body - by blood
☂️☂️7. Hydrophobia disease - caused by virus
☂️☂️8. The study of algae is - Phycology
☂️☂️9. The velocity of sound is highest - in a solid
☂️☂️10. The speed of sound is slow - in the air
☂️☂️11. The unit of sound intensity is - decibeL
#important
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🔺➢ 1 Nibble--four bits, or half a byte,
🔺➢ 1Crumb- two bits
🔺➢ 1 Byte - 8 bits
🔺➢ 1KB=1024bytes
🔺➢ 1MB=1024KB
🔺➢ 1GB=1024MB
🔺Q. Java programming language ?
👉🏼Ans-James Arthur Gosling
(Canadian computer scientist)
🔺➢ C++ -Bjarne Stroustrup
🔺➢ JavaScript programming language-Brendan Eich
🔺➢ Pascal, a computer programming language developed about 1970 by Niklaus Wirth
🏝🏝◆Global System for Mobile Communications- (GSM)
🏝🏝◆LTE - Long Term Evolution
🏝🏝◆VoLTE -Voice over Long Term Evolution
👉🏼👉🏼◆low-level programming languages are assembly language
,and machine language.
👉🏼👉🏼◆HLL- C++, Cobol, Fortran, Java, JavaScript
Objective C, Pascal, Perl, PHP, Python, Swift
🔺🔺Q. COBOL & FORTRAN ?
A) 1st B) 2nd C) 4th D) 5th
👉🏼Ans- 2nd Generation - COBOL & FORTRAN
[assembly language and high-level programming languages like FORTRAN, COBOL]
🔺🔺[What is the total number of keys on a standard qwerty keyboard?]
👉🏼Ans- 104
🔺🔺Q. WORLD WIDE WEB ?
👉🏼Ans- 1989 में
👉🏼◆WWW Inventors -Tim Berners-Lee &Robert Cailliau
🏝🏝●PNG-, Portable Network Graphics
🏝🏝●SVG- Scalable Vector Graphics
🏝🏝●GIF- Graphics Interchange Format
🏝🏝●JPEG -Joint Photographic Expert Group
🔺🔺WORM ?
👉🏼Ans- Write once read many
🔺🔺Q. world's first electronic digital computer ?
👉🏼Ans-Electronic Numerical Integrator and Computer (ENIAC)
🔷🔷●ABC (Atanasoff–Berry computer) was the first automatic electronic digital computer.
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#REVISION
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⛲️Q. FORTRAN ?
Ans- Designed by- John Backus in 1957
➢ Developer- John Backus and IBM
● FORTRAN- Formula Translation
⛲️➢ C developed at Bell Labs by Dennis Ritchie between 1972 and 1973
⛲️➢ C++ -Bjarne Stroustrup [ 1985 में]
⛲️➢ Pascal, a computer programming language developed about
1970 by Niklaus Wirth
⛲️➢ Java (programming language)-Designed by: James Gosling
[Developer- Oracle Corporation]- 1995 में
⛲️➢ JavaScript-Designed by :Brendan Eich ( 1995 में)
⛲️➢ COBOL-Designed by Howard Bromberg ( 1959 में)
[Developers- CODASYL]
🔷Q.Transistors ?
Ans-1959– 1965 : Second Generation – Transistors
👉🏼◆First Generation ( 1946– 1959, )- Vacuum tube
👉🏼1965, – 1971: Third Generation – Integrated Circuits
👉🏼1971–1980,: Fourth Generation – Microprocessors,
👉🏼1980- Present : Fifth Generation – Artificial Intelligence,
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#REVISION
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