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61. Files created with Lotus 1-2-3 have an extension?

A. 123
B. DOC
C. WK1
D. XLS

62. How many sheets are there in Excel Workbook by default?

A. 2
B. 3
C. 4
D. 5

63. Who is the founder of IBM Company?

A. Nolan Bushnell
B. Steve Jobs
C. Thomas J. Watson
D. Bill Gates

64. Shortcut key to create a New Folder on Windows PC is ___________?

A. Ctrl+N
B. Ctrl+Alt+N
C. Ctrl+Shit+N
D. None.

65. The ribbon is used in_________?

A. Laser Printer
B. Plotter
C. Ink-jet printer
D. Dot Matrix printer

66. The word Computer used for the first time in____________?

A. 1613
B. 1614
C. 1615
D. 1616

67. Compiler can check___________?

A. Syntax Error
B. Logical Error
C. Both Logical and Syntax Error
D. None of these

68. Computers that are used in large organizations such as insurance companies and banks, where many people frequently need to use same data, are____?

A. mainframe computers
B. super computers
C. hybrid computers
D. desktop computers

69. In 1940, first electronic computer was invented by_______?

A. Clifford Bery
B. George Boole
C. Atanasoff and Berry
D. John V.Atanasoff

70. In computer, ALU has____________?

A. 2units
B. 3units
C. 4units
D. 5units