Q1: What is main storage also called as?
- a) control unit
- b) register
- c) accumulator
- d) memory
Q2: What are the tiny rings made of magnetic material that can be polarized to represent binary 0 or 1 called as?
- a) magnetic disk
- b) magnetic core
- c) card punch
- d) hard disk
Q3: Which of the following converts data punched in paper tape into binary format?
- a) paper tape reader
- b) paper tape punch
- c) MICR
- d) OCR
Q4: Which of the following can read characters directly from an ordinary piece of paper?
- a) MICR
- b) OCR
- c) scanner
- d) keyboard
Q5: It is a code consisting of light and dark marks, which may be optically read is known as.
- a) bar code
- b) mnemonic code
- c) binary code
- d) programming code
