Questions:

1. The first barcode system was developed by ?

David Bradley
Norman Joseph Woodland
John Mc Carthy
John Barger

2. Which of the following is used to receive and send computer files over telephone lines ?

Light pen
Floppy disk
MICR device
Modem

3. Which of the following symbols must be used before a formula in a Microsoft Excel sheet ?

@
=
$
&

4. What is the full form of PROM ?

Program read-only memory
Primary read-only memory
Programmable read-only memory
Program read-output memory

5. Which of the following is NOT an anti-virus software ?

Avast
Linux
Norton
Kaspersky