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Q. Define Memory For a digital computer?
For a digital computer which stores both programs and data, memory can be divided into three types: random-access memory, mass storage, and archival storage. Random-access memory includes read-and-write memory (RAM), read-only memory (ROM), programmable read-only memory (PROM), and erasable programmable read-only memory (EPROM), in which any memory location can be accessed in about the same time. The time required to access data in a mass-storage device is relative to its location in the device. Mass storage, such as magnetic disk memory, has a relatively large storage capacity and is lower in cost per bit than random access memory. Archival storage, such as magnetic tape, is long-term storage with a very large capacity, but with a very slow access time, and may need user intervention for access by the system.
Design a logic circuit with 4 inputs A, B, C & D that will produce output ‘1’ only whenever two adjacent input variables are 1’s. A & D are also to be treated as adjacent, impleme
Q. Explain the External Data Bus? External Data Bus: A bus which connects a computer to peripheral devices. 8088 microprocessor has 16-bit registers, 16-bit internal data bus i
Q. In the Wheatstone bridge circuit shown in Figure, R 1 = 16, R 2 = 8, and R 3 = 40; R 4 is the unknown resistance. RM is the galvanometer resistance of 6 . If no current
Mention how do the NEG & NOT instructions differ in their functionality Here, NOT: The one's complement or logical inversion NEG: The two's complement or arith
What is I/O mapping? The assignment of addresses to various I/O devices in the memory chip is known as I/O mapping.
1. A self excited shunt generator supplies a load of 12.5 kw at 125 volts. The field resistance is 25 ohms and the armature resistance is 0.2 ohms. The total voltage drop because o
Discuss DMA definition. Direct memory access (DMA) is a process wherein an external device takes over the control of system bus by the CPU. Direct memory access is for high-sp
Program Description In the above program any two numbers can be stored in register A and B ( by replacing XX and YY). Contents of B are compared with A. If B CY = 0
explain dynamically induced emf and derive expression for it
Q. Illustrate Nodal-Voltage Method ? A set of node-voltage variables that implicitly satisfy the KVL equations is selected in order to formulate circuit equations in this nodal
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