A) OCR                                                         
B) OMR
C) MICR                                                        
D) BCR

A) OCR                                                         
B) OMR
C) BCR                                                          
D) MICR

A)Optical Character Recognition              
B) Optical Card Reader
C) Optical Character Recorder                      
D) Optical Control Reader

A) Track ball                                                
B) Mouse
C) Joystick                                                     
D) Keyboard

A)Keyboard 
B) Plotter
C) Mouse                                                       
D) None of these

A)Pixel
B) Thin Blinking line
C) Pointing device
D) None of these

A)Click
B) Double-click
C) Drag and drop
D) Point

A)Memory
B) Input
C) Output 
D) Storage

A)Douglas Engelbart 
B) Ada Lovelace
C) Charles Babbage
D) None of these

A)Douglas Engelbart
B) Ada Lovelace
C) Charles Babbage
D) None of these

A) To reposition the cursor
B) To capitalize letters
C) To fresh computer
D) Query processing

A) 91
B) 97
C) 101 
D) 105