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Q. Describe Memory and Memory unit?
Input devices can fetch instructions or data only sequentially though a program may or may not be executed sequentially because looping, jump, decision-making instructions are frequently encountered in programming. As well more than one data element may be needed at a time. Hence a temporary storage area is required in a computer to store temporarily the instructions as well as the data. This element is termed as memory.
Memory unit stores all information in a group of memory cells like a group of 8 binary digits (which is a byte) or 16 bits or 32 bits and so on. These groups of memory cells or bits are known as memory locations. Every memory location has a unique address and can be addressed individually. Contents of desired memory locations are supplied to CPU by referring to address of memory location. Amount of information which can be held in main memory is termed as memory capacity. Capacity of main memory is measured in Mega Bytes (MB) or Giga Bytes (GB). One-kilo byte denotes 210 bytes that are 1024 bytes (or just about 1000 bytes). A Mega byte denotes 220 bytes that is near about a little over one million bytes and a giga byte is 230 bytes.
Explain FIFO Page replacement algorithm. FIFO policy: This policy only removes pages in the order they entered in the main memory. By using this policy we simply eliminate a
Q. Define Decision Support System? Ans. The decision support system is an information system application which help decision making. DSS tends to be used in planning or analy
Obtain 1's and 2's complement of 1010 using only four-digit representation. Solution: 1's complement: 1's complement of 1010 is Please note that wherever you ha
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It takes away two constraints which were holding back Web developments: 1. Dependence on a one, inflexible document type (HTML) which was being much abused for tasks it was neve
Aggregation is the relationship among the whole and a part. We can add/subtract some properties in the part (slave) side. It won't affect the entire part. Best example is Car,
Q. Illustrate Left shift register with parallel load? A register that shifts data in one direction only is known as Uni-directional shift register and a register that can shift
The structure of Logical Databases reflects which dependencies of hierarchical tables in the SAP system. Foreign Key dependencies
Design and test the functions that are needed: a. Test Main in the Testing project add a new file main.c. b. Test Drivers in the Testing project add 2 new files, testDriver
Class Program { static void Main() { int[] MyPrimeNumbers = {1,2,3,5,7}; // Use the Count() and Sum() Standard Query Operators to // compute the count an whole su
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