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Write Relational algebra expressions for the given queries.(i) List the employee numbers, employee names and their manager numbers working in several branches who earn more than $ 30000. (ii) List the details of Spares available in several Branches supplied by the vendor Rock-Hard company.
Q. Describe Ergonomic Keyboards? Ergonomics is the study of environment, conditions as well as efficiency of workers. Ergonomics proposes that keyboard wasn't designed with hum
Artificial Intelligence 1. Explain about artificial intelligence? What are the achievements of AI? 2. Elaborate state space search briefly. 3. Prove that A* is optimal.
What is refactoring? Refactoring is explained as the changes to the internal structure of software to improve its design without changing its external functionality. It is an e
Q. Implementation of BUS Construction of a bus system for four registers employing 4×1 multiplexers is displayed below. Every register has four bits which are numbered 0 throug
What is a resource-allocation graph? Deadlocks can be described more precisely in terms of a directed graph known as a system resource allocation graph. This graph having of a
Q. Explain the following: a. BCD code b. Gray code c. Excess-3 code d. True complement method Q. Addition-Subtraction-Multiplication-Division: Perform Binary Addi
The 68Hc11 is actually a complex micro-controller its contains internally RAM, EEPROM, Parallel IO and serial ports, hardware timers and a 8 channel ADC. The internal structure is
definf memory operation
tCAS is the number of clock cycles required to access a particular column of data in SDRAM. CAS latency is the column address strobe time, sometimes referred to as tCL.
Second Generation (1954-1962) The second generation saw various significant developments at every level of computer system design, from technology used to build the basic circu
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