Test your basic knowledge |

Cse Computer Science Engineering

Subjects : engineering, it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A notcie that guarantees a user or web site is legit. E- commerce use it often






2. A know specific pattern of virus code.






3. A server outside the organizations network that controls which communications pass into the organizations network. Screens incoming and outgoing messages






4. Allows the various devices both inside and attached to the system unit to communicate with each other. Bits travel on a bus from input to memory to processor to output. Data Bus. Address Bus.






5. Dynamic ram- chips must be re energized constantly or they lose their contents.






6. Searches for and removes unneccessary files






7. A window that provides info - presents availabe options - or requests a response.






8. Digital light processor uses tiny mirrors to reflect light






9. Universal serial bus port connects peripherals to the computer






10. Other computers and mobile devices on the networ that rely on the server for its resources






11. Amount of time it takes for the processor to read data - instructions - and information from memory. Directly affects processing data time.






12. A program that restricts access to certain material on the web






13. Really simple syndication is a specification that many content aggregatorsuse to distribute content to subscribers






14. (program) consists of related instructions that tells computer what tasks to perform and how to perform them






15. A single copper wire surrounded by at least three layers - insulting material - woven material - plastic outer coating - often used by cable television






16. Someone who accesses a computer or network illegally. Some say they hack to improve security






17. Electrical supply drops.can cause data loss but generally not cause equipment damage






18. Text version of an IP address






19. Is a security measure that defines who can access it and what actions they can take while acessing the computer






20. Wireless network that provides internet connections to mobile comouters and devices WiFi - WiMAX - Bluetooth






21. Virtual reality is the use of computers to simulate a real or imagines environment that appears in a 3d space.






22. Links in text based documents






23. A legal agreement that permits users to install the software on multiple computers.






24. Read only memory refers to memory chips storing permanent data and instructions (firmware)






25. On software is infinitie space and depth for VR






26. Joins a cable and a port






27. Moving pictures experts group is a popular video compression standard






28. Copyrighted software that is distributed at no cost for a trial period






29. A computer that delivers requested web pages to your computer






30. Storage over an internet service






31. Uses devices that emit and sense light to detect the mouses movement






32. Electronic funds transfer allows users connected to a network to transfer money from one bank account to another via transmission media






33. The time it takes a signal to trvale from one location to another on a network Neg effect- distance - type of transmission media - and number of nodes data must travel through - bandwith high latency low for best performance






34. Radio frequency identification is a technology that uses radio signals to communicate with a tag placed in or attached to an object. Can contain antenna and memory chips






35. Organization that sells and manages domain names






36. A utility that reorgnizes the files and unused space on a computers hard disk so that the operating system accesses data quickly and programs run faster






37. The process of transferring data in a continous and even flow which allows users to access a file while it is transmitting






38. Provides a means of sharing distributing and searching through documents by converting them unti a format that can be viewed by any user.






39. Processor begins to fetch a second instruction before it completes the full machine cycle






40. Has the illusion of moving images becuase it sends a continuos stream of images






41. 8 bits grouped together. basic storage unit in memory. Each byte has an address






42. Allows you to insert and remove flash memory and other devoces while the computer is running (flash memory)






43. Smallest unit of data the computer can process






44. Transmission control protocol is a netwrok standard that defines how data are routed from one end of a network to another - ensuring data arrives correctly. Packet switching






45. Instant messaging - Mobile to mobile - mobile to personal computer - web to mobile






46. Hardware componenet that enables a computer to transmit and recieve data - instructions - and info to and from computers.






47. An expansion card - a circuit board that enhances functions of a component of the system unit or provides connections to peripherals.






48. Smallest element in an electronic image






49. A number that uniquely identifies each computer or device connected to the internet (0-255)






50. The process of using the operating system to restart a computer. Properly closes programs but doesnt save work