Electronics and Communication Engineering
2020 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ECE 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 28–30 of 65. Imported answers require review unless explicitly marked reviewed.
Question 18
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In the circuit shown below, all the components are ideal. If
is +2 V, the current
sourced by the op-amp is ______ mA. 
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In an 8085 microprocessor, the number of address lines required to access a 16 K byte memory bank is ______.
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A 10-bit D/A converter is calibrated over the full range from 0 to 10 V. If the input to the D/A converter is 13A (in hex), the output (rounded off to three decimal places) is ______ V.
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