COMPUTER SYSTEMS
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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RAM
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ROM
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Either A or B
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None of the above
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Detailed explanation-1: -The CPU starts and fetches instructions into RAM from the BIOS, which is stored in the ROM. The BIOS starts the monitor and keyboard, and does some basic checks to make sure the computer is working properly. For example, it will look for the RAM. The BIOS then starts the boot sequence.
Detailed explanation-2: -ROM is a type of memory circuitry that holds the computer’s startup routine. The ROM BIOS tells the computer how to access the hard disk, find the operating system, and load it into RAM.
Detailed explanation-3: -ROM contains the programming that allows a computer to start up or regenerate each time it is turned on. ROM also performs large input/output (I/O) tasks and protects programs or software instructions. Once data is written on a ROM chip, it cannot be removed.
Detailed explanation-4: -A ROM chip is primarily used for a computer’s startup process. In contrast, a RAM chip is utilized in the standard operations after the loading of the operating system. For instance, the BIOS program is often stored on the motherboard of a computer with the aid of a ROM chip.