Which of the following memories must be refreshed many times per second?

BIOS stands for__________?

A. Basic Input Output system
B. Binary Input output system
C. Basic Input Off system
D. all the above

AGP stands for ________?

A. Accelerated Group Part
B. Advanced Graphics Port
C. Accelerated Graphics Port
D. Advanced Group Part

Picture is made of __________?

A. Lines
B. Dots
C. Scratches
D. Lightings

The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement speciality called___________?

A. robotics
B. simulation
C. computer forensics
D. animation

Which of the following commands is called as three-finger salute in computers ?A. Ctrl + Alt + Delete
B. Ctrl + Shift + Escape
C. Ctrl + Shift + Enter
D. Ctrl + Alt + Arrow key

Control-Alt-Delete (often abbreviated to Ctrl+Alt+Del, also known as the “three-finger salute” or “Security Keys”) is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: Ctrl + Alt + Delete .