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51. WWW stands for?
i) World Whole Web
ii) Wide World Web
iii) Web World Wide
iv) World Wide Web
Answer: iv) World Wide Web

52. Which of the following memories needs refreshing?
i) SRAM
ii) DRAM
iii) ROM
iv) All of above
Answer: ii) DRAM


53. Which of the following is not purely output device?
i) Screen
ii) Printer
iii) Speaker
iv) Plotter
Answer: i) Screen

54. Which of the following is not a form of data?
i) numbers and characters
ii) images
iii) sound
iv) none of above
Answer: ) none of above

55. A computer programmer
i) Does all the thinking for a computer
ii) Can enter input data quickly
iii) Can operate all types of computer equipments
iv) Can draw only flowchart
Answer: i) Does all the thinking for a computer


56. What type of device is computer keyboard?
i) Memory
ii) Output
iii) Storage
iv) Input
Answer: iv) Input

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