Computer MCQ  (কম্পিউটার নৈবত্যিক)

431.  When computers are installed very near to each other is the Local Area Network; 432.  When all the computers are installed a long way distance or among the countries is the Wide Area Network; 433.  Wired and Wireless are the medium for making internet or network; 434.  The structure that creates network among the computers is Topology; 435.  The member of the Local Area Network is - Bus Topology, Ring Topology, Star Topology, Completely connected Topology, Delta Topology, Hybrid Topology; 436.  The function of Delta Bus among the different computers- Delta transfer; 437.  In Bus Topology does not have Host computer; 438.  In Star Topology doeshave Host computer; 439.  In Star Topology Host computer plays role of bridge with the terminal; 440.  The name of extended form of Star Topology is- Tree Topology; 441.  The Star Topology does not allow to transfer data directlyfrom computer to computer; 442.  Hybrid Topology consist of Ring + Bus + completely connected Topology; 443.  Internet was popularly known to all and got its recognition in 1994; 444.  The different servers of different cities comeunder satellite at the beginning of 90's; 445.  Each and every document of Internet purpose must have their won Address; 446.  Uniform Resource Location (URL) is the address of document in internet; 447.  There are 3 parts in aninternet address; 448.  E-mail ঠিকানা দুইভাগে বিভক্ত; 449.  E-mail ঠিকানায় @ চিহ্ন অবশ্যই থাকে; 450.  E-mail ঠিকানার @ চিহ্নের পরের অংশ- Host domain name; 451.  E-mail ঠিকানার @চিহ্নের আগে থাকে ব্যবহারকারীর নাম। 452.  Network এর ring সংগঠন হচ্ছে বৃত্তাকার; 453.  Wikipedia is online based free Encyclopedia; 454.  BD News 24 dot com- The first internet based news agency of Bangladesh; 455.  The first virtual news presenter- Anna nova; 456.  YouTube is a famous video sharing site; 457.  Facebook is a social networking site; 458.  Google plus- A new social networking site of Google; 459.  Account holders of Internet- Netigen; 460.  A person having the full control over the domain of computer is- an operator. 461.  The symbol must exist in an email address- @ 462.  Correct syntax for a URL- anyone@abc.com 463.  In 1972, the symbol @ chosen for its use in e mail address; 464.  We use web to- (1) Send and receive e-mail, (2) Search for information. 465.  "Freeze Windows Panses" is an Excel command which helps in- Password protection; 466.  Firewall- protects a computer systemfrom hacking & filtering Virus; 467.  A program that can copy itself and infect the computer without permission and knowledge of the owner is called- Virus; 468.  The name of structure where data move through a network is- Packets; 469.  Universal gate- NAND, NOR, EX-OR; 470.  Verification of a log in name and password is known as- Authentication;