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Digital Circuits
Number System and Code Convertions
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Boolean Algebra
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Logic Gates
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Combinational Circuits
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Sequential Circuits
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Semiconductor Memories
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Analog to Digital and Digital to Analog Converters
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1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
An equivalent 2’s complement representation of the 2’s complement number 1101 is
A
110100
B
001101
C
110111
D
111101
2
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
A signed integer has been stored in a byte using the 2's complement format. We wish to store the same integer in a 16-bit word. We should
A
copy the original byte to the less significant byte of the word and fill the more significant with zeros
B
copy the original byte to the more significant byte of the word and fill the less significant with zeros
C
copy the original byte to the less significant byte of the word and make each bit of the more significant byte equal to the most significant bit of the original byte
D
copy the original byte to the less significant byte as well as the more significant byte of the word
3
GATE ECE 1993
MCQ (Single Correct Answer)
+1
-0.3
2’s complement representation of a 16-bit number (one sign bit and 15 magnitude bits) is FFFI. Its magnitude in decimal representation is
A
$$0$$
B
$$1$$
C
$$32, 767$$
D
$$65,535$$
4
GATE ECE 1987
MCQ (Single Correct Answer)
+1
-0.3
The subtraction of a binary number Y from another binary number X, done by adding the 2's complement of Y to X, result in a binary number without overflow. This implies that the result is:
A
negative and is in normal form
B
negative and is in 2's complement form
C
positive and is in normal form
D
positive and is in 2's complement form
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Questions Asked from Marks 1
GATE ECE 2024 (2) GATE ECE 2014 Set 2 (1) GATE ECE 2007 (1) GATE ECE 2005 (1) GATE ECE 2004 (1) GATE ECE 2002 (1) GATE ECE 2001 (1) GATE ECE 1998 (1) GATE ECE 1997 (1) GATE ECE 1993 (1) GATE ECE 1987 (1)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics