What OS feature enables an application to request services from the operating system, such as a request to print or save a file?
a.Application programming interface
b.Device driver
c.Graphical user interface
d.Plug and Play
A
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Answer the following questions true (T) or false (F)
1. If class D is derived from class B then class D has only some of the members from B, and the additional members defined in D. 2. A programmer can use inheritance with an existing library for which only the header file and binary are available, to derive a class more suitable to her purpose.
To delete the character to the left of the insertion point, press the _____ key.
A. Backspace B. Tab C. Esc D. Delete
In the Sound Byte, the problem with the router port was fixed by ________
A) the network technician intern B) the network administrator C) an IT technician D) a Help Desk assistant
Which of the following printers creates a model by building layers of a material such as resin or metal?
A) Thermal B) 3-D C) Laser D) Dye-sublimation