Q1: Which key is used to change lowercase letter mode to uppercase and vice-versa?
- a) ALT
- b) caps lock
- c) CTRL
- d) all
Q2: Which one is not pointing device?
- a) joystick
- b) light pen
- c) scanner
- d) all
Q3: Which one is light sensitive stylus device?
- a) light pen
- b) touch screen
- c) mouse
- d) joystick
Q4: Which one is not character recognition device?
- a) fax machine
- b) MICR
- c) OMR
- d) all
Q5: The bar code system is also known as:
- a) ASCII code
- b) EBCDIC code
- c) universal product code
- d) all
