71. The ....... contains commands associated with the My Computer window
72. ....... is the layer of a computer system between the hardware and the user program
73. Which is the layer of a computer system between the hardware and the user program
74. When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called
75. The operating system is the most common type of ...... Software
76. Which of the following is/are external commands?
77. Which is not an external command?
78. Which of the following is not essential to shut down your computer?
79. What is Dr. Watson?
80. You can move a window to a different position on your screen by dragging it by its
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