Correct Answer:- Option-D
Question28:-After the execution of the instruction "move A, 20H"
A:-Accumulator content is the content of the memory location 20H
B:-Accumulator content is 20H
C:-The content of accumulator moves to the memory location 20 H
D:-The stack pointer points to the memory location 20H
Correct Answer:- Option-A
Question29:-MOV A, @RO is
A:-Register addressing
B:-Indexed addressing
C:-Register indirect addressing
D:-Immediate addressing
Correct Answer:- Option-C
Question30:-The one and only register inside the CPU holds 16 bit address of the instructions ‏ذا‎
‎A:-DPTR
‎B:-Program counter
C:-Stack pointer
D:-Instruction decoder
Correct Answer:- Option-B
Question31:-After the execution of the following instructions,
mov SP, #08H
MOV R1, #12H
MOV R4, #0F3H
Push 1
Push 4

The stack pointer points to which location?
A:-0BH
B:-09H
C:-10H
D:-0AH
Correct Answer:- Option-D
Question32:-The unit of modulation index is
A:-Unitless
B:-Hertz
C:-Volt
D:-Volt/microsecond
Correct Answer:- Option-A
Question33:-Whenever there is a temperature gradient in a conductive material, an e.m.f will induce and the gradient of
voltage is proportional to the gradient in temperature. This is known as
A:-Stroboscopic effect
B:-Seebeck effect
C:-Hall effect
D:-Esaki effect
Correct Answer:- Option-B
Question34:-The working of OFC is based on the principle
A:-Total intemnal reflection
B:-Total intermal defraction
C:-Total internal refraction
D:-Total radiation
Correct Answer:- Option-A
Question35:-Which value of BCD input activates all segments of the seven segment decoder IC 7447
A:-1001
B:-1111
C:-1000
D:-0000
Correct Answer:- Option-C
Question36:-The wavelength of 2-GHz wave is:
A:-15 em
B:-15 mm