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Q. System Development and Data Administration?
System Development: In traditional business systems analysts and programmers are organized into permanent teams which support information systems and applications for specific business function. System development unit involves a centre for excellence which is a group of experts (experienced system designers, systems analysts and system builders) who establish and enforce methods, tools, techniques and quality for all system development projects.
Data Administration: Data and other Information Resources of organization are managed. This involves databases which are used by system developers to support applications. Systems analysts who are experts in data analysis may work here. These analysts are called as Data Analysts. They analyse database requirements, design and construct (sometimes) the corresponding databases.
State the term Availability - organisational security scheme What data needs to be available continually, compared to data which can be "off line" for limited periods. Th
What is chattering as applied to mechanical switches used in digital systems and why do they occur? What is its effect on the functioning of a sequential circuit? Ans Chat
Prove the following Boolean identities using the laws of Boolean algebra (A + B)(A + C) = A + BC Ans. (A+B)(A+C)=A+BC LHS AA+AC+AB+BC=A+AC+AB+BC OR A((C+1)+A(B+1))+BC
What is the File-system security Most commercial servers use a powerful operating system as base that provides good methods of file-system security. Some servers require additi
Find the boolean expression for the logic circuit shown below. Ans. Output of Gate-1 (NAND) = (AB)' Output of Gate-2 (NOR) = (A'+B)' Output of Gate-3 (NOR) = [(AB)' + (
Q.Prove using Boolean Algebra 1. X (X+Y) = X 2. AB + AC + BC' = AC + BC' 3. (A+B+C) (A+B'+C') (A+B+C') (A+B'+C)=A 4. (A+B'+C) (AB+A'C) = (A+C) (A'+B) 5. XY + XZ + YZ
Example of Structural hazards - computer architecture: A machine has shared a single-memory pipeline for instructions and data. As a consequence, when an instruction which con
OPPORTUNITIES AND THREATS IN COMPUTER FEILD
There can be more than one node at the highest level in the structure. False. One can describe only single node at the highest level in the structure on LDB
INT 21H supports about 100 different functions. A function is recognised by putting the function number in AH register. For illustration if we want to call function number 01 then
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