ETC EngineeringMCQs
Home

8051 Timers & Interrupts MCQs

Practice 8051 Timers & Interrupts MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1
Microprocessors & Microcontrollers8051 Timers & Interrupts

In the 8051, the TCON register contains control/status bits associated with?

  • ATimers and external interrupts
  • BSerial baud data only
  • CProgram memory only
  • DPort 0 pull-ups only
Report an error
Correct Answer: A. Timers and external interrupts
Explanation: TCON includes timer run/overflow bits and external-interrupt control/flag bits.
Reference: Standard microprocessors and microcontrollers: 8051 timers & interrupts