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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 CUM RECEPTIONIST GR II KERALA STATE INDUSTRIAL DEVELOPMENT CORPORATION LTD' And exam conducted in the year 2014. And Question paper code was '020/2014'. 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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A
The internationally accepted sampling frequency for a fixed telephone is :
(3) 7۶2 നദ 80kHz
(C) 8Hz (D) 80115
Which of the following is the audia frequency range?
(ಸಿ) 20Hzto 200 Hz (B) 120 Hz to 1000 Hz
(C) 20 Haz to 2000 kHz 17) 20 {1४ (५ 20 1112
In DTMF signaling (in push button telephone): combination വ് 10% many frequencies are
used to send a digit?
Four (B) Three بے
Two (11) Six 0(
After a call if the caller replaces the hand set but the called subseriber does not, this
condition is called :
(ക Permanent loop (B) CLIP
{C) Called subscriber held (D) 021 barring
The internal telephones lines serving as extension are connected to one another and to public
exchange by :
(५) Central office (8) Private branch exchange
)0© Telephone exchange യ Fax
The bit rate of fixed voice telephonic channel is :
(५) 648003 നൂ 128 kbps
(C) 512 kbps (1) 2 Mbps
The feature allowing the PBX system to connect o out side line dirvectly is called :
ಯ) 10 (1) 180
(८) ISDN (D) DOD
The facility in PABX which allows an incoming call to be landed on any extension number in
a group of extension of telephone number is called :
(ಗೆ) Call waiting (B) Call hunting
(0 Call forwarding (0) Call dropping
13 20/2014
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