Information Technology and Cyber Law 11

മാൽവെയർ, സ്പൈവെയർ, ക്രിപ്‌റ്റോഗ്രഫി, നമ്പർ സിസ്റ്റം, ഫയൽ ടൈപ്പുകൾ, പ്രധാന കമ്പനികളുടെ സ്ലോഗനുകൾ തുടങ്ങിയവയുമായി ബന്ധപ്പെട്ട ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ

• General term used to refer malicious softwares that can harm the computer

                  Malware

• In Cyber law, malware is known as

                  Computer Contaminant

• Examples of Malwares

                  Computer viruses, Worms, Trojan horses, Spyware etc

• The most dangerous computer malware

                  Flame

• Type of malware that downloads itself onto the computer system through an email or downloaded program

                  Spyware

• Malware that scans computer hard disk automatically for personal information and sends collected data to individulas who created

                  Spyware

• Protection scheme for data which protects our information system from unsecured public network

                  Firewall

• Examples of Firewall softwares

                  Comodo, Ashampoo, Agnitum Outpost, Zone Alaram etc

• Science of secret writing

                  Cryptography

• Process of transporting plain text to unreadable scrampled text

                  Encrypting

• Encrypted script is known as

                  Cipher text

• Reverse process of encryption or the process of converting unreadable cipher text to plain text

                  Decryption

• The word Cryptography originated from

                  Latin words Kryptos means secret and Graphen means writing

• Electronic files that are used to identify people and resources over internet

                  Digital Signature

• Data that ensures the credibility of the sender, who sends the data over internet

                  Digital Signature

• Type of Digital number systems

                  Decimal systems, Binary systems, Octal Systems and Hexa decimal systems

• Base of Decimal number systems

                  10

• Base of Binary number systems

                  2 (0 and 1)

• Base of Octal number systems

                  8

• Base of Hexa Decimal number systems

                  16 (0-9 and A to F)

• One's complement in Binary system is obtained by

                  Changing its 1's to 0's and 0's to 1's

• Two's complement in Binary system is obtained by

                  Converting the value to its complement and add 1 to the complement

Decimal   Binary   Octal   Hexadecimal
      0          0000        0             0
      1          0001        1             1
      2          0010        2             2
      3          0011        3             3
      4          0100        4             4
      5          0101        5             5
      6          0110        6             6
      7          0111        7             7
      8          1000       10            8
      9          1001       11            9
     10         1010       12            A
     11         1011       13            B
     12         1100       14            C
     13         1101       15            D
     14         1110       16            E
     15         1111       17            F

• Miracle child in electronics is

                  Transistor

• The word Nano stands for

                  One billionth part

• Verification of user name and password is known as

                  Authentication

• Specially designed chips that reside other devices such as car or electronic equipment

                  Embedded Computers

• Mathematics employed in computer is called

                  Boolean Algebra

• Personal computer developed by Intel for the school students

                  Classmate

• Extention .txt is for

                  Text file

• Extention .pdf is for

                  Portable Documet Format file

• Extention .gif, .bmp is for

                  Image file

• Extention .jpg is for

                  JPEG Image file

• Extention .mpg, .mov is for

                  Animation\movie file

• Extention .mp3 is for

                  Audio file

• Extention .html is for

                  Web page file

• Theme of 2017 Internet security day (February 7)

                  Be the change: Unite for better Internet

• Venue of 2017 world internet conference

                  Wuzhen, China

• First (Main) page of a website is known as

                  Home page

• Deleted files are temporarily stored in 

                  Recycle bin

• Measurement of bit rate of consumed data of communication resources over a network is known as

                  Bandwidth

• Slogan of Google

                  Dont be evil

• Slogan of Microsoft

                  Be what's next (Old slogal : Your potrntial, our passion)

• Slogan of Infosys

                  Powered by intellect, driven by values

• Slogan of Wipro

                  Applying thoughts
                                                                           (To be Continued...)