Digital Circuits
Number System and Code Convertions
Marks 1Marks 2
Sequential Circuits
Marks 1Marks 2Marks 5Marks 8
Semiconductor Memories
Marks 1Marks 2
Logic Families
Marks 1Marks 2Marks 8
Analog to Digital and Digital to Analog Converters
Marks 1Marks 2
1
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
The 2’s complement representation of –17 is
A
01110
B
01111
C
11110
D
10001
2
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
3
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
4
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
$$65,535$$
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