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Welcome to the Machine Structure MCQs Page

Dive deep into the fascinating world of Machine Structure with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Machine Structure, a crucial aspect of Systems Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Machine Structure, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Systems Programming.

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Check out the MCQs below to embark on an enriching journey through Machine Structure. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Systems Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Machine Structure. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Machine Structure MCQs | Page 2 of 3

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Q11.
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

Discuss
Answer: (b).parallel-in serial-out register
Q12.
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

Discuss
Answer: (a).serial-in parallel-out register
Q13.
The register that provides control and status information about counters is

a.

IP

b.

TMOD

c.

TSCON

d.

PCON

Discuss
Answer: (b).TMOD
Q14.
The register that provides control and status information about serial port is

a.

IP

b.

IE

c.

TSCON

d.

PCON and SCON

Discuss
Answer: (d).PCON and SCON
Q15.
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

Discuss
Answer: (c).oscillator
Q16.
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

Discuss
Answer: (d).TMP1 and TMP2
Q17.
The storage of addresses that can be directly accessed is

a.

external data RAM

b.

internal data ROM

c.

internal data RAM and SFRS

d.

external data ROM and SFRS

Discuss
Answer: (c).internal data RAM and SFRS
Q18.
The address register for storing the 16-bit addresses can only be

a.

stack pointer

b.

data pointer

c.

instruction register

d.

accumulator

Discuss
Answer: (b).data pointer
Q19.
The addressing mode, in which the instructions has no source and destination operands is

a.

register instructions

b.

register specific instructions

c.

direct addressing

d.

indirect addressing

Discuss
Answer: (b).register specific instructions
Q20.
The instruction, RLA performs

a.

rotation of address register to left

b.

rotation of accumulator to left

c.

rotation of address register to right

d.

rotation of accumulator to right

Discuss
Answer: (b).rotation of accumulator to left
Page 2 of 3

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