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WHAT IS COMPUTER?
Computer is termed in the Oxford dictionary as "An automatic electronic apparatus for making controlling operations or calculations which are expressible in logical or numerical terms". It is a device that accepts data, processes the data according to instructions provided by the user, and at last returns the results to user and usually consists of input, output, arithmetic, logic , storage, and control units. The computer can store and control large quantities of data at very high speed.
How many logical drives is it possible to fit onto a physical disk? Ans) Maximum of 24 logical drives can be fit into physical disk. The extended partition can only have 23 lo
Explain about the Public Key Cryptography. Public Key Cryptography: It is a cryptographic system which uses two keys as a public key identified to everyone and a private
Elaborate protected mode memory addressing in brief. Protected mode interrupt: In protected mode, interrupts have exactly the same assignments as in real mode though int
What is the 2's complement of the number 1101101 ? Ans. 0010011 is the 2's complement of the number 1101101. As 1's complement of the number 1101101 is 0010010 and 2's comple
Define Radix (or)Base. A number system of base or radix is a system that uses different symbols for r digits. Numbers are shown by a string of digit symbols. To verify the quan
The demand placed on a system is explained by a lognormally distributed random variable with mean 50 and standard deviation of 10. The capacity of the system is modeled by a Weibul
Describe the three mapping techniques used in cache memories with suitable Example. The cache memory is a fast memory that is inserted among the larger slower main memory and t
CMOS circuits consume power ? Ans. As in CMOS one device is ON and one is Always OFF therefore power consumption is low or can say less than TTL.
Two computers using TDM take up turns to send 100-bytes packet over a shared channel that operates at 64000 bits per second. The hardware takes 100 microseconds after one computer
A computer manipulates data consistent with instructions of a stored program. Stored program means that the data and program are stored in same memory unit. Central processing unit
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