A hand-held device for optically reading bar codes on goods, labels & shelves is____________________?

Related Mcqs:

1. A flat metallic disk that contains a large amount of permanently stored information read optically is called a ____________________?

   A. Monitor
   B. ALU
   C. CD-ROM
   D. RAM

2. Which device is used asthe standard pointing device in a Graphical User Environment ?

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

3. Codes consisting of bars or lines of varying widths or lenghts that are computer readable are known as__________________?

   A. An ASCII code
   B. A magnetic tape
   C. An OCR scanner
   D. A bar code

4. A six – digit card field used for postal ZIP codes is defined as___________________?

   A. An alphanumeric field
   B. A numeric field
   C. A letter field
   D. A alphabetic field

5. Printed information called _______________exists physically and is a more permanent form of output than that presented on a display device?

   A. Soft copy
   B. Carbon copy
   C. Hard copy
   D. Desk copy

6. The computer monitor is which type of device ?

   A. Input
   B. Scanning
   C. Software
   D. Output

7. A(n) _________________ camera is a peripheral device used to capture still images in a digital format taht can be easily transferred into a computer and manipulated using graphics software?

   A. digital
   B. analog
   C. classic
   D. film

8. Which of the following is NOT an Input device ?

   A. Keyboard
   B. Monitor
   C. Joystick
   D. Microphone

9. All the following are storage device except____________________?

   A. Floppy Disc
   B. Monitor
   C. Tape Drive
   D. CD

10. Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots ?

    A. Pascal
    B. Napier
    C. Leibnitz
    D. Babbage