When was the first electro-mechanic Computer developed?

A. Male Connector
B. Female Connector
C. Joint Connector
D. None of these

The effect applied to display when slides changes in slide show view is ______?

A.  Custom Animation
B.  Slide Animation
C. Slide Transition
D.  Custom Transition

The CPU and memory are located on the__________?

A. expansion board
B. motherboard
C. storage device
D. output device

____________ is the shortcut key to display active cell in Excel.

A. Shift + Backspace
B. Ctrl + Backspace
C. Alt + Backspace
D. None

The_____________data mining technique derives rules from real-world case examples?

A. Rule discover
B. Signal processing
C. Neural nets
D. Case-based reasoning

What type of virus uses computer hosts to reproduce itself?

A. Time bomb
B. Worm
C. Melissa virus
D. Macro virus