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Question 1:
Spreadsheet packages are widely used in Business.
a) Explain why spreadsheets are so useful.b) Spreadsheet files are sometimes saved for use by other software packages. Give an example of such use.c) Goalseek is an important feature of MS Excel. State its function. d) Explain what is a macro and why is it important?
Question 2:
a) Suggest two kinds of printer which would be suitable for printing a colour copy of a school magazine.
b) Compare the disadvantages and advantages of the two types of printer you have selected.
What are the different modes in that 8255 Programmable Peripheral Interface (PPI) can operate? 24 I/O lines in 3-8-bit port groups - A, B, C A, B can be 8-bit input
Downcasting concept is the casting from a general to a more particular type, i.e. casting down the hierarchy in programming
What is phase encoding or Manchestor encoding? It is the method for combining clock information with data. It is a scheme in which alters in magnetization occur for each data
What can you say about the existence of a stationary point in the interval [ 1; 3] for the function f (x) = x 2 2x 3.
One's Complement Operator: ~ The one's complement operator, sometimes called the "bitwise complement" or "bitwise NOT" operator, produces the bitwise one's complement of its op
Explain about unix file system architecture
what is fresnel''s biprism?how it is used to determine wavelength of monochromatic source of light
Question 1: a) The aim of a computer network is to increase efficiency and reduce costs. Describe how networks achieve the above. b) Explain briefly how the bus topology op
Q. Find simplified function F and implement that function using only NAND gates. 1. F(A,B,C) = (A+B) (A'+B+C') (A'+B'+C') 2. F (A,B,C,D) = A'B'C'+B'CD'+A'BCD'+AB'C' 3.
What are the ways to truncate guard bits? 1. Chopping 2. Von Neumann rounding 3. Rounding procedure.
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