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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Workshop Instructor/ Instructor Gr. II/ Demonstrator in Electronics Engineering' And exam conducted in the year 2023. And Question paper code was '068/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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068/23
The antenna parameter beam width indicates
A) Intensity B) Gain
C) Directivity D) Fading
What is the impedance of the folded dipole antenna ?
A) 500 Q 8) 100 ൨
0) 300೧ 0) 50
The charge carriers random behaviour is the reason for the generation of
A) Shot noise B) Partition noise
C) Industrial noise D) Flicker noise
In an Amplitude modulation circuit, the emitter modulator amplifier operates in
A) Class A mode B) Class C mode
C) Class B mode D) Class D mode
The number of 16-bit timers in 8051 are
A) 1 B) 2 C) 3 D) 4
An event that indicates the microcontroller that a device needs its service is
A) Interrupt B) Paging
C) Segmentation D) None of the above
The number of special function registers in 8051 microcontrollers are
A) 21 B) 10
C) 35 D) 5
In 8051 microcontroller all the interrupts are enabled or disabled using the bit
A) ETO B) ET1
C) EA 0) 5241
When 8051 comes on then the address 0x00 is loaded to which register ?
A) PSW B) A register
७0) 87 D) PC