Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Blood Bank Technician Grade II - Medical Education Department' And exam conducted in the year 2020. And Question paper code was '031/2020'. 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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032/2020
The decimal equivalent of (101111.1101), is
A) 42.62510 8) 43.612510 ©) 45.25010 0) 47.812510
Nibble is
A) ^ 51110 of 4 bits 8) A string of 8 bits
©) Astring of 16 bits 0) A string of 64 bits
If A and B are the inputs of an EXCLUSIVE OR gate circuit, its output Y is given by
A) Y=AB+AB B) Y=AB+AB
C) Y=A+B+AB D) Y=A+B+AB
The Boolean expression Y = A(A + B) when it simplified it becomes
A) A+B B) A+B C) AB هم رم
The minimum number of flip-flop required to build a mode 20 counter is
A) 2 B) 3 ௦) 4 D) 5
The fan out of a logic gate is
A) The number of subsequent circuits which the gate can drive
B) The number of inputs connected to the gate without any degradation of voltage level
C) Number of connection to the package
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D) None of the above
How many 7483 IC’s are required to add two bytes data ?
A) 1 B) 2 03 0) 4
By placing an inverter to the input of an SR flip-flop, the resulting flip-flop becomes
A) JK flip-flop 8) D flip-flop
C) T flip-flop 0) WS JK flip-flop
The number of flip-flop needed to divide input frequency by 64 is
A) 8 B) 16 04 0) 6
Which of the following is not a specification of a D/A or A/D converter ?
A) Gain B) Drift C) Speed D) Accuracy
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