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What is multiprogramming or multitasking?
The operating system manages the concurrent implementation of several application programs to make the best possible uses of computer resources. This pattern of concurrent \execution is known as multiprogramming or multitasking.
Describe carry look-ahead adder? Ans: The input carry required by a stage is directly computed from carry signals obtained from all of the preceding stages i-1,i-2,.....0, rat
Define secondary memory. This memory holds those pages that are not present in main memory. The secondary memory is usually a high speed disk. It is known as the swap evice, an
Which of the logic gates are known as universal gates ? Ans. NAND and NOR are termed as universal gates, since any digital circuit can be realized completely by using either of
GlobalFon is an international communication company, which offers international prepaid calling cards. They introduced three different types of cards, (1) AsiaFon: is cheapest for
what is transform mapping and transaction mapping?
write algorithm and draw flowchart for exchange the values of two variables.
Minimize the logic function F(A, B, C, D) = ∑ m(1,3,5,8,9,11,15) + d(2,13) using NOR gates with help of K-map. Ans. Realization of given expression by using NOR gates: In POS
What is a path name? A pathname is the path from the root by all subdirectories to a specified file. In a two-level directory structure a user name and a file name describe a
What is analysis, list its sub stages? Understand the requirement by constructing models. The goal of analysis is to state what need is to be done and not how it is to be done.
Distinguish between ROM, PROM, EPROM, EEPROM. Ans: ROM: It also called Read Only Memory is a Permanent Memory. The data is permanently stored and cannot be changed in Perm
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