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 'TELEPHONE OPERATOR DCB/MCS' And exam conducted in the year 2015. And Question paper code was '198/2015'. 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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The teacher who made a dramatic change in Helen Keller's life :
(ಸ) Anne Sullivan (8) Mary Stevenson
(0) Kamala Das (D) Tennesse Williams
The velocity of electromagnetic waves in vacuum is >
(ಗಿ) 2x108m/sec (B) 4x108m/sec (C) 3x10%m/sec (D) 5% 10% m/sec
511 is an acronym for :
(வ) Simplex Transmission Distance [18] Simple Trunk Dialing
(C) Subscriber Trunk Dialing (D) Subscriber Trunk Distance
Usually, Television Transmission is :
(^) Unicast (B) Broadcast (6) Multicast (D) Areacast
In a TELEX system, at the beginning of a message, the sender sends a message “who are
೫೦೬” 107 :
(A) Confirmation (18) Release (5) Monitoring (D) Al of the above
In telephone conversation, the person who initiate the call is referred to as :
(A) Calling party (8) त्मा कण्ठा (ल) Called party (D) Call mediator
Electronic type of branch exchanges वाट referred to as >
(ಗಿ) PABX (B) PAX
(ಲ) EPABX (D) None of the above
The first automatic switching system (Exchange) was :
(^) (न्ता (8) Magneto (೮) ടട 1887 (D) Strowger
Which out of the following is a widely used pulse modulation technique ?
PWM (8) PPM (ಲ) PCM (D) PAM ھ)
11 198/2015
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