Computer Mcqs

What is windows registry? 

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What is windows registry? A. Windows register to store clipboard
B. The Windows Registry is a hierarchical database that stores low-level settings for OS
C. Microsoft program to enable or disable a particular function
D. An application to edit the system  configuration

The Windows Registry is a hierarchical database that stores low-level settings for the Microsoft Windows operating system and for applications that opt to use the registry. The kernel, device drivers, services, Security Accounts Manager, and user interface can all use the registry.

 

Ctrl, Shift and Alt are called_______keys.

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Ctrl, Shift and Alt are called_______keys.A. Alphanumeric
B. Function
C. modifier
D. None of These

Modifier keys  = They modifies the action of another key when used together
for example to shutdown/restart our computer: ALT+F4
alphanumeric keys = Alphabates + Numeric
alpha means alphabates that include the letters A to Z/a to z.
and Numeric means numbers 0 through 9.
function keys = F-keys
they are F1 through F12. They have assigned special function by the operating system. Function keys are also used with Modifier keys
for example to shutdown/restart our computer: ALT+F4

 

Macintosh, a personal computer was developed by________?

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Macintosh, a personal computer was developed by________?

A. Microsoft
B. IBM
C. Apple
D. Dell

The Macintosh (mainly Mac since 1998) is a family of personal computers designed, manufactured, and sold by Apple Inc. since January 1984. The original Macintosh is the first successful mass-market personal computer to have featured a graphical user interface, built-in screen, and mouse.