GATE EC Question Paper 1994.
GATE i.e. Graduate Aptitude Test in Engineering Electronics and Communication 1994 Exam has been conducted by IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee. This GATE EC 1994 examination is the procedure to get the admission in M.Tech
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GATE EC Question Paper 1994
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1. The threshold voltage of an n channel MOSFETcan be increased by
(a) increasing the channel dopant concentration
(b) reducing the channel dopant concentration
(c) reducing the gate-oxde thickness
(d) reducing the channel length
2. A class – A transformer coupled, transistor power amplifier is required to deliver a power output of 10 watts. The maximum power rating of the transistor should not be less than
3. Data can be changed from spatial code to temporal code and vice-versa by using
(a) ADCs and DACs
(c) synchronous counters
4. A PLA can be used
(a) as a microprocessor
(1.’) as a dynamic memory
(c) to realise a sequential logic
(d) to realise a combinational logic
5. A dynamic RAM consists of
(a) 6 transistors
(b) 2 transistors and 2 capacitors
(c) I transistor and 1 capacitor
(d) 2 capacitors only