Architecture of 8051 MCQ’s

Read Time:1 Minute, 20 Second

This set of Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on “Architecture of 8051″.

1. The register that can be used as a scratch pad is
a) Accumulator
b) B register
c) Data register
d) Accumulator and B register

2. The registers that contain the status information is
a) control registers
b) instruction registers
c) program status word
d) all of the mentioned

3. The register that may be used as an operand register is
a) Accumulator
b) B register
c) Data register
d) Accumulator and B register

4. Which of the processor’s stack does not contain the top-down data structure?
a) 8086
b) 80286
c) 8051
d) 80386

5. The transmit buffer of serial data buffer is a
a) serial-in parallel-out register
b) parallel-in serial-out register
c) serial-in serial-out register
d) parallel-in parallel-out register

6. The register that provides control and status information about counters is
a) IP
b) TMOD
c) TSCON
d) PCON

7. The architecture of 8051 consists of
a) 4 latches
b) 2 timer registers
c) 4 on-chip I/O ports
d) all of the mentioned

8. The receive buffer of serial data buffer is a
a) serial-in parallel-out register
b) parallel-in serial-out register
c) serial-in serial-out register
d) parallel-in parallel-out register

9. The register that provides control and status information about serial port is
a) IP
b) IE
c) TSCON
d) PCON and SCON

10. The registers that are not accessible by the user are
a) Accumulator and B register
b) IP and IE
c) Instruction registers
d) TMP1 and TMP2

11. The device that generates the basic timing clock signal for the operation of the circuit using crystal oscillator is
a) timing unit
b) timing and control unit
c) oscillator
d) clock generator

Happy
Happy
0 %
Sad
Sad
0 %
Excited
Excited
0 %
Sleepy
Sleepy
0 %
Angry
Angry
0 %
Surprise
Surprise
0 %

Average Rating

5 Star
0%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Leave a Reply

Your email address will not be published. Required fields are marked *

Previous post Numeric Coprocessor – 80486DX MCQ’s
Next post Register Set of 8051 MCQ’s