LillyPinkyHiboos

  7TH COMPUTER REVISION- ANSWER KEY: 1. Name the different types of conditional statements in Python. ans) If, elif, else  2. Define looping statements in Python. Give any two types of looping statements.  ans) This statement is used to execute a set of instructions multiple times. Eg: while loop, for loop.  3. List the different types of arithmetic operators in Python. ans)Addition(+) , Subtraction(-) , Multiplication(*) , Division(/).  4. Write a program in Python to print the first 5 multiples of 3 using range function. ans)   5. Write a program in Python to display whether the number is positive or negative. ans)   6. Analyse the given code and write the output: n=1 while n<=10: print(n) n=n+1  ans)  7. Differentiate between runtime error and syntax error in Python.    ans) SYNTAX ERROR RUNTIME ERROR Syntax error occurs when certain rules are not followed. Eg: i)Missing parentheses , colon ,comma.     ...

  LESSON: *Data Handling *lines and angles *linear equation *triangle and its properties *comparing quantities *area and perimeter DATA HANDLING: FREQUENCY : Number of times a particular observation occurs is called its Frequency. ARITHMETIC MEAN: Average of data.        Mean= sum of all observation                 Total number of observation RANGE: Highest observation– Lowest Observation. MEDIAN: Middle Number , arranged is ascending or descending order. MODE: The number which is most repeated or frequent in a set of data.{more than one mode can be also there.} OUTLIER OF THE DATA : Extreme different from the set of other numbers in a data, It can be very high or very low number. {not necessary to have for all set of data.} CARTESIAN PLANE X axis: Horizontal scale Abscissa Y axis: Vertical scale Ordinate PROBABILITY: CHANCE OF SOMETHING =      ...

  IMPOSSIBLE POSSIBILITIES a story written by my hand just keeping it upon the keyboard. I'm wondering "how did my hand knew about my mind and its thoughts" Once Napoleon Bonaparte said "Impossible is a word only to be found in the dictionary of fools." Nowadays news and happens like "SUICIDE" isn't something odd to hear. Years passed, suffers decreased and when these new gens couldn't believe some usual troubles, and thinking ones, those people turns around to their room to kill themselves and that's the only option they found. Their parents may beat, shout and its their minds duty to understand that they are expressing love through it. I am not blaming the one who did but instructing the one whos gonna do. I am too not sure that I am perfect and never to it, but myself always reminds me whenever I read or hear about SUICIDE "as scary as ever for me". Not everyone might have did it with the same reasons, some may had some critic...

  KEYBOARD SHORTCUTS 1)   COPY - Ctrl + C. 2)  CUT - Ctrl + X. 3)  PRINTS THE CURRENT PAGE -Ctrl + P. 4)  LOCK THE CUMPUTER -Windows KEY+L. 5)  PASTE - Ctrl + V. 6)  RENAME - F2. 7)  REFRESH -F5. 8)  SAVE SCREENSHOT -Windows key + PrtSc. 9)  PRINT -Ctrl + P. 10) UNDO -Ctrl + Z. 11)  SEARCH ON THE CURRENT PAGE - Ctrl + F. 12) NEW BOOKMARK FOR CURRENT PAGE - Ctrl + D 13) OPEN DEVELOPER TAB IN THE RIBBON -Alt + L WHY KEYBOARD SHORTCUTS ARE USEFUL AT ITS EXTREME? "KEYBOARD  SHORTCUTS  ARE  USEFUL  THOUGH  THERE  ARE  A LOT  AND  CONFUSED , BUT   ONCE  YOU  START  CATCHING UP THEN  ITS  PRETTY  EASY  AND  PRODUCTIVE." USUALLY  SHORTCUTS  ARE  THE  ONE  WHO  SAVES  OUR VALUBLE  TIME  AND  HELPS  OUT  TO  GET  UP  WITH  YOUR   AIM.

 POISONOUS ANIMALS : 1. The most poisonous fish:        "STONEFISH" 2. The most poisonous snake:        "INLAND TAIPAN" 3. The most poisonous spider:        "BRAZILIAN WANDERING SPIDER" 4. The most poisonous scorpion:       "FAT-TAIL SCORPION" 5. The most poisonous frog:        "GOLDEN POISONOUS DART FROG" 6. The most poisonous octopus:       "BLUE-RINGED OCTOPUS" 7. The most poisonous snail:        "GEOGRAPHIC CONE SNAIL" 8. The most poisonous ant:        "BULLDOG ANT"

  FEW KEY INVENTIONS OF EDISON: 1)PHONOGRAPH A machine that could record the spoken voice and play it back. 2)LIGHT BULB Edison made a light bulb that lasted for many hours. 3)MOTION PICTURE CAMERA A Camera that could make films. 4)SYSTEM OF WIRELESS TELEGRAPH A machine for giving signals between trains and stations for co-ordination. 5)FLUOROSCOPE A machine that uses x-rays to take pictures of the internal structure of our body parts.   6)ELECTRICITY DISTRIBUTION SYSTEM     It provided electric current to consumers. 7)CARBON TELEPHONE Transmitters.

  ANIMAL SUPERSTAR: 1.DOLLY: Its the first mammal to be cloned successfully. 2.LAIKA: Its the world's first animal to orbit the earth on 3rd November ,1957 on Soviet Spacecraft Sputnik 2.   3.DAVID GREYBEARD: The world's first animal known for not only using tools but making them as well 4.ELSA: This animal became the first captive animal ever to be successfully freed into its natural environment 5.ECHO: This animal used all its knowledge and experience to keep its family alive in the dangerous world of lions, hunters and drought. bonus FIRST WORLD ANIMAL DAY, HELD ON: 4th OCTOBER,1931