10 most difficult computer riddles A list of computer related questions that are most often answered incorrectly Games quiz What was the original name of Pac-Man?Puck-Man. The character's name was originally written in English as "Puck-Man", but when Namco localized the game for the United States they changed it to "Pac-Man", fearing that vandals would change the P in Puck to an F. very hard 20% Peck-ManPeck-Man7%Puck-ManPuck-Man20%Man-PackMan-Pack15%Eat MonsterEat Monster56%Created by: Tschuka . Statistics based on 601 answers in 2 languages »games riddles » Network layer device that to determine the optimal path along which network traffic should be forwarded is;Router. A router is a computer whose software and hardware are customized to move data between computer networks. They are responsible for making sure traffic between computers gets where it needs to go. They do this by choosing the shortest path between the computers using a complicated system of rules called Routing Protocols. very hard 33% RouterRouter33%SwitchSwitch5%HubHub27%ServerServer33%Created by: Tschuka . Statistics based on 18 answers in 2 languages »network riddles » In case of fiber-optic cables, which transmission mode is used for transmitting data over long distances?Single mode. In fiber-optic communication, a single-mode optical fiber (SMF) is an optical fiber designed to carry light only directly down the fiber - the transverse mode. These modes define the way the wave travels through space, i.e. how the wave is distributed in space. very hard 34% InfraredInfrared26%MultimodeMultimode24% Radio Radio14%Single modeSingle mode34%Created by: Tschuka . Statistics based on 49 answers in 2 languages »network riddles » Which type of DNS record is used by mail servers to determine where to send e-mail?MX record. Mail Exchange (MX) records are DNS records that are necessary for delivering email to your address. In simple DNS terms, an MX record is used to tell the world which mail servers accept incoming mail for your domain and where emails sent to your domain should be routed to. If your MX records are not pointed to the correct location, you will not receive emailvery hard 36% CNAME recordCNAME record19%A recordA record5%SMTP recordSMTP record38%MX recordMX record36%Created by: Tschuka . Statistics based on 36 answers in 2 languages »network riddles » Which of the following is not an operating system?None of the above . OS X is Apple's operating system that runs on Macintosh computers. DOS is a family of disk operating systems. Windows 7 is a personal computer operating system developed by Microsoft. very hard 39% MAC OSXMAC OSX17%DOSDOS39%Windows 7Windows 73%none of the above none of the above 39%Created by: Tschuka . Statistics based on 28 answers in 2 languages » Radio waves and microwaves are used in which of the following communications?Wireless. The most common wireless technologies use radio waves. With radio waves distances can be short, such as a few meters for Bluetooth or as far as millions of kilometers for deep-space radio communications. Somewhat less common methods of achieving wireless communications include the use of other electromagnetic wireless technologies, such as light, magnetic, or electric fields or the use of sound. hard 51% WirelessWireless51%RadarRadar14%IP TelephonyIP Telephony24%Image sensorImage sensor10%Created by: Tschuka . Statistics based on 49 answers in 2 languages »network riddles » A NIC is ....A computer card that offers dedicated full time access to the internet. A network interface card (NIC) is a circuit board or card that is installed in a computer so that it can be connected to a network. A network interface card provides the computer with a dedicated, full-time connection to a network. Personal computers and workstations on a local area network (LAN) typically contain a network interface card specifically designed for the LAN transmission technology hard 52% A computer card that offers a modem connectionA computer card that offers a modem connection19%A computer card that offers dedicated full time access to the internetA computer card that offers dedicated full time access to the internet52%A computer card that offers as needed access to the internetA computer card that offers as needed access to the internet8%A computer card that offers a local area networkA computer card that offers a local area network19%Created by: Tschuka . Statistics based on 36 answers in 2 languages »network riddles » Social Networking involves communication between; Two or more people. Social networking is the practice of expanding the number of one's business and/or social contacts by making connections through individuals, often through social media sites such as Facebook, Twitter, LinkedIn and Google+. average 61% Two computersTwo computers3%A human and a computerA human and a computer11%Two or more peopleTwo or more people61%A computer and a routerA computer and a router23%Created by: Tschuka . Statistics based on 26 answers in 2 languages »network riddles » Which one is the keyboard shortcut for 'paste'? Ctrl + V. In many GUI environments, including Microsoft Windows and most desktop environments based on the X Window System, and in applications such as word processing software running in those environments, control (Ctrl) -V can be used to paste text or other content from the clipboard at the current cursor position. Control-V was one of a handful of keyboard sequences chosen by the program designers at Xerox PARC to control text editing.average 65% Ctrl + PCtrl + P13%Ctrl + XCtrl + X8%Ctrl + VCtrl + V65%Ctrl + CCtrl + C13%Created by: Tschuka . Statistics based on 23 answers in 2 languages » Play games quiz and see all the questions.