Tip:A–D to answerE for explanationV for videoS to reveal answer
Which of the following is an input device?
- A.
Keyboard
(Correct Answer) - B.
Monitor
- C.
Speaker
- D.
Printer
Explanation
Logical Representation
Agar hum Input Devices ka set I define karein:
I={Keyboard, Mouse, Scanner, Microphone}
Toh hum keh sakte hain:
Jabki Output Devices (O) ke liye:
Monitor, Printer∈O⟹Keyboard∈/O
Explanation
Logical Representation
Agar hum Input Devices ka set I define karein:
I={Keyboard, Mouse, Scanner, Microphone}
Toh hum keh sakte hain:
Jabki Output Devices (O) ke liye:
Monitor, Printer∈O⟹Keyboard∈/O
