Q1: Which of the following is not used in mouse technology?
- a) optical
- b) mechanical
- c) optical-mechanical
- d) motorized
Q2: Which one is video file extension?
- a) mp3
- b) avi
- c) vdo
- d) all
Q3: Which of the following printer prints a character at a time?
- a) chain printer
- b) inkjet printer
- c) dot matrix printer
- d) daisy wheel printer
Q4: Bar code store information using
- a) thin and thick lines
- b) punch holes
- c) bits
- d) magnetic oxide
Q5: Which of the following belongs to first generation computer?
- a) IBM 1401
- b) laptop
- c) UNIVAC
- d) all
