Contents

OCR stands for……
a) optical character recognition
b) optical code reader
c) optical character reader
d) optical code recognition


a

Pick the odd one from the following options.
a) mouse                                              
b) scanner
c) printer                             
d) keyboard


c

CTRL, SHIFT, and ALT are called
a) modifier                          
b) function
c) adjustment                      
d) alphanumeric


a

Joystick is used for…….
a) word processing                                              
b) weather forecasting
c) gaming                            
d) 
image processing

c

…….. printer is the cheapest in term of price and operating cost.
a) inkjet                                
b) laser
c) thermal                             
d) dot-matrix


d

Which of the following is an input as well as output device?
a) scanner                            
b) touch screen
c) light pen                           
d) touchpad

b