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Memory Stack
Stack could exist as a stand-alone unit or could be executed in a random-access memory attached to the CPU. The implementation of a stack in a CPU is done by assigning portion of memory. A portion of memory is assigned to the stack operation and the processor register is used as a stack pointer to execute stack in CPU. Figure below represent a portion of computer memory partitioned into three segments -program, data and stack. The address of next instruction in program is located by program counter PC while an array of data is pointed by an address register AR. The top of stack is located by stack pointer SP. The three registers are connected to the common address bus that connects three registers and either one can provide the address for memory. PC is used during fetch phase to read an instruction. AR is used during execute phase to read an operand. SP is used to push or pop items into or from stack.
Performance Equation of computer system: Following equation is frequently used for expressing a computer's performance ability: The CISC approach tries to minimize the
What are various types of Shift Registers ? Ans: Kinds of Shift Registers: (i) SISO that is Serial-In Serial-Out Shift Register (ii) SIPO that is Serial-In P
What is a pointer? The register or memory location that having the address of an operand is known as a pointer.
DMA controllers in computer system: DMA Controller Part of the I/O device interface DMA Channels Performs functions that in general would be performed by t
Define data path. The registers, the ALU, and the interconnecting bus are collectively referred to as the data path.
The maximum number of dimensions an array can have in C is C permits arrays of three or more dimensions. The exact limit is examined by the compiler.
Binary number system is most common for computer due to two stable states of its components. However unfortunately this isn't a very natural system for us as we deal with decimal n
Explain the different types of buses with neat diagram. When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines known as bu
Q.What is Canonical and Standard Forms? An algebraic expression can express in two forms: i) Sum of Products (SOP) for example (A . B¯) + (A¯ . B¯) ii) Produ
What do you mean by complexity of an algorithm? The term complexity is used to define the performance of an algorithm. Typically performance is calculated in terms of time or s
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