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Gblog Must Do Coding Questions for Product Based Companies
As the placement season is back, GeeksforGeeks is here to help you crack the interview. We have selected some most commonly asked and MUST DO… Read More
Consider a paging hardware with a TLB. Assume that the entire page table and all the pages are in the physical memory. It takes 10… Read More
An operating system uses shortest remaining time first scheduling algorithm for pre-emptive scheduling of processes. Consider the following set of processes with their arrival times… Read More
A system contains three programs and each requires three tape units for its operation. The minimum number of tape units which the system must have… Read More
Consider the relational schema given below, where eId of the relation dependent is a foreign key referring to empId of the relation employee. Assume that… Read More
Consider the transactions T1, T2, and T3 and the schedules S1 and S2 given below. T1: r1(X); r1(Z); w1(X); w1(Z) T2: r2(Y); r2(Z); w2(Z) T3:… Read More
An IP router with a Maximum Transmission Unit (MTU) of 1500 bytes has received an IP packet of size 4404 bytes with an IP header… Read More
Every host in an IPv4 network has a 1-second resolution real-time clock with battery backup. Each host needs to generate up to 1000 unique identifiers… Read More
Classless Inter-domain Routing (CIDR) receives a packet with address The router’s routing table has the following entries: Prefix Output Interface Identifier 3… Read More
Host A (on TCP/IP v4 network A) sends an IP datagram D to host B (also on TCP/IP v4 network B). Assume that no error… Read More
A bit-stuffing based framing protocol uses an 8-bit delimiter pattern of 01111110. If the output bit-string after stuffing is 01111100101, then the input bit-string is… Read More
In the following pairs of OSI protocol layer/sub-layer and its functionality, the INCORRECT pair is (A) Network layer and Routing (B) Data Link Layer and… Read More
A prime attribute of a relation scheme R is an attribute that appears (A) in all candidate keys of R. (B) in some candidate key… Read More
(A) A (B) B (C) C (D) D Answer: (A) Explanation: The Relational Algebra expression in the question above, does 4 operations, step by step… Read More
A system uses 3 page frames for storing process pages in main memory. It uses the Least Recently Used (LRU) page replacement policy. Assume that… Read More
In the context of modular software design, which one of the following combinations is desirable? (A) High cohesion and high coupling (B) High cohesion and… Read More

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