AMU MCA Computer Previous Year Questions (PYQs) – Page 1 of 14
Study Stuff for MCA Examinations
Solution
E-R modelling starts from general view → top-down approach.
Solution
Recursive call without stopping condition → infinite printing until stack overflow.
Solution
Floyd’s algorithm finds shortest path between all pairs.
Solution
System CPU time = kernel execution time.
Solution
Array name arr represents base address.
Size of int = 32 bit = 4 bytes.
Base address = 2000.
After arr++, pointer moves by one integer = 4 bytes.
New address = 2000 + 4 = 2004.
push(1), push(2), pop, push(1), push(2), pop, pop, pop, push(2), pop.
The sequence of popped out values are:
Solution
Start: []
push(1) → [1]
push(2) → [1,2]
pop → 2 → [1]
push(1) → [1,1]
push(2) → [1,1,2]
pop → 2 → [1,1]
pop → 1 → [1]
pop → 1 → []
push(2) → [2]
pop → 2 → []
Popped sequence: 2,2,1,1,2
(1) EDGE
(2) Universal Mobile Telecommunication Systems
(3) FHSS
(4) Evolved High Speed Packet Access
Which of the wireless telecommunication systems given above belong to GSM family?
Solution
Solution:
EDGE → GSM
UMTS → GSM evolution
EHSPA → GSM evolution
FHSS → not GSM
$(1111111)_2 + (4543)_8 = (X)_{16}$
Solution
$(1111111)_2 = 127$
$(4543)_8 = 4×512 + 5×64 + 4×8 + 3 = 2403$
Total = 127 + 2403 = 2530
2530 in hexadecimal = 9B2
Solution
FDDI uses dual ring topology.
Solution
Von-Neumann architecture uses same memory for data and instructions.
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