302
CSE/ITIDS/CS
Jharkhand University of Technology, Ranchi
B.Tech. 3rd Semester Examination, 2024 (NEP)
Subject : Digital Electronics &Systems Subject Code : CSE-302
Full Marks : 70
Time Allowed : 3 Hours
Answer in your Own words.
Answer any five questions in which Question No. 1l is compulsory.
The figures in the right margin indicate full marks.
All questions carry equal marks.
2x7=14
1. Choose the correct alternative:
(i) Convert (23) =
10 )16
(i) X= Addition of 1000110 and 1010000 results in overflow condition.
(a) Yes (b) No
(ii) How many outputs does a BCD decoder give?
(a) 4 (b) 16
(c) 8 (d) 10
(iv) An enable input on a multiplexer chip indicates
(a) to apply Vcc (b) to connect ground
(c) to active the entire chip (d) to active one half of the chip
(v) Principle of basic multiplexer could be demonstrated using
(b) DPDT switch
(a) single-pole relay
(C) rotary switch (d) linear stepper
2 bit input A is greater than the
(vi) The output Y of a 2-bit comparator is logic 1, whenever the
1, is
2 bit input B. The number of combinations for which the output is logic
(a) 4 (b) 6
(c) 8 (d) 10
of
(vii) A modulus-12 ring counter requires a minimum
(a) 2 flip-flops (b) 6 flip-flops
(c) 10 flip-flops () 12 flip-flops
Please Turn Over
37470
600
CSE/ITIDS/CS
Jharkhand University of Technology, Ranchi
B.Tech. 3rd Semester Examination, 2024 (NEP)
Subject : Digital Electronics &Systems Subject Code : CSE-302
Full Marks : 70
Time Allowed : 3 Hours
Answer in your Own words.
Answer any five questions in which Question No. 1l is compulsory.
The figures in the right margin indicate full marks.
All questions carry equal marks.
2x7=14
1. Choose the correct alternative:
(i) Convert (23) =
10 )16
(i) X= Addition of 1000110 and 1010000 results in overflow condition.
(a) Yes (b) No
(ii) How many outputs does a BCD decoder give?
(a) 4 (b) 16
(c) 8 (d) 10
(iv) An enable input on a multiplexer chip indicates
(a) to apply Vcc (b) to connect ground
(c) to active the entire chip (d) to active one half of the chip
(v) Principle of basic multiplexer could be demonstrated using
(b) DPDT switch
(a) single-pole relay
(C) rotary switch (d) linear stepper
2 bit input A is greater than the
(vi) The output Y of a 2-bit comparator is logic 1, whenever the
1, is
2 bit input B. The number of combinations for which the output is logic
(a) 4 (b) 6
(c) 8 (d) 10
of
(vii) A modulus-12 ring counter requires a minimum
(a) 2 flip-flops (b) 6 flip-flops
(c) 10 flip-flops () 12 flip-flops
Please Turn Over
37470
600
