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Tag Archives: Gate IT 2005

In a TDM medium access control bus LAN, each station is assigned one time slot per cycle for transmission. Assume that the length of each… Read More
In a communication network, a packet of length L bits takes link L1 with a probability of p1or link L2 with a probability of p2.… Read More
On a TCP connection, current congestion window size is Congestion Window = 4 KB. The window size advertised by the receiver is Advertise Window =… Read More
A channel has a bit rate of 4 kbps and one-way propagation delay of 20 ms. The channel uses stop and wait protocol. The transmission… Read More
A network with CSMA/CD protocol in the MAC layer is running at 1 Gbps over a 1 km cable with no repeaters. The signal speed… Read More
In a schema with attributes A, B, C, D and E following set of functional dependencies are given A → B A → C CD… Read More
In an inventory management system implemented at a trading corporation, there are several tables designed to hold all the information. Amongst these, the following two… Read More
A table ‘student’ with schema (roll, name, hostel, marks), and another table ‘hobby’ with schema (roll, hobbyname) contains records as shown below: Table: Student Roll… Read More
A company maintains records of sales made by its salespersons and pays them commission based on each individual’s total sales made in a year. This… Read More
In a data flow diagram, the segment shown below is identified as having transaction flow characteristics, with p2 identified as the transaction center   A… Read More
To carry out white box testing of a program, its flow chart representation is obtained as shown in the figure below:   For basis path… Read More
The availability of a complex software is 90%. Its Mean Time Between Failure (MTBF) is 200 days. Because of the critical nature of the usage,… Read More
In a computer system, four files of size 11050 bytes, 4990 bytes, 5170 bytes and 12640 bytes need to be stored. For storing these files… Read More
Two shared resources R1 and R2 are used by processes P1 and P2. Each process has a certain priority for accessing each resource. Let Tij… Read More
Consider a 2-way set associative cache memory with 4 sets and total 8 cache blocks (0-7) and a main memory with 128 blocks (0-127). What… Read More

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