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Tag Archives: GATE-GATE-CS-2005

Let r be a relation instance with schema R = (A, B, C, D). We define r1 = ΠA, B, C (r) and r2 =… Read More
Which one of the following statements about normal forms is FALSE? (A) BCNF is stricter than 3NF (B) Lossless, dependency-preserving decomposi­tion into 3NF is always… Read More
Which one of the following is a key factor for preferring B+ -trees to binary search trees for indexing database relations? (A) Database relations have… Read More
An organization has a class B network and wishes to form subnets for 64 departments. The subnet mask would be (A) (B) (C)… Read More
In a network of LANs connected by bridges, packets are sent from one LAN to another through intermediate bridges. Since more than one path may… Read More
The maximum window size for data transmission using the selective reject protocol with n-bit frame sequence numbers is: (A) 2^n (B) 2^(n-1) (C) 2^n –… Read More
The address resolution protocol (ARP) is used for (A) Finding the IP address from the DNS (B) Finding the IP address of the default gateway… Read More
Packets of the same session may be routed through different paths in (A) TCP, but not UDP (B) TCP and UDP (C) UDP, but not… Read More
Increasing the RAM of a computer typically improves performance because: (A) Virtual memory increases (B) Larger RAMs are faster (C) Fewer page faults occur (D)… Read More
What is the swap space in the disk used for? (A) Saving temporary html pages (B) Saving process data (C) Storing the super-block (D) Storing… Read More
Normally user programs are prevented from handling I/O directly by I/O instructions in them. For CPUs having explicit I/O instructions, such I/O protection is ensured… Read More
Which one of the following is true for a CPU having a single interrupt request line and a single interrupt grant line? (A) Neither vectored… Read More
The switching expression corresponding to f(A, B, C, D) = Σ (1, 4, 5, 9, 11, 12) is (A) BC’D’ + A’C’D + AB’D (B)… Read More
The hexadecimal representation of 6578 is (A) 1AF (B) D78 (C) D71 (D) 32F Answer: (A) Explanation: We can first convert to Binary, we get… Read More
The range of integers that can be represented by an n bit 2’s complement number system is (A) – 2n – 1 to (2n –… Read More

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