::: vuaskari.com ::: CS101 2nd Assignment solution

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Assalam-O-Alikum   

    Question No.1 (Marks = 10)

a) How many combinations of bits are exist when we make a truth table of 9 inputs?  (2 Marks)

 

Ans: when we make a truth table of 9 inputs the bits are exist 2^9 = 512 bits combinations.

 

b) Prepare a truth table for the following I = (w + x) Å (y . z) where w, x, y and z are four binary inputs in the truth table. (8 Marks)

Note :(Å  symbol represent XOR gate)

Ans=  Truth Table

 

Inputs						Output
W	X	Y	Z	w+x	y.z	(w + x)  Å (y . z)
0	0	0	0	0	0	0
0	0	0	1	0	0	0
0	0	1	0	0	0	0
0	0	1	1	0	1	1
0	1	0	0	1	0	1
0	1	0	1	1	0	1
0	1	1	0	1	0	1
0	1	1	1	1	1	0
1	0	0	0	1	0	1
1	0	0	1	1	0	1
1	0	1	0	1	0	1
1	0	1	1	1	1	0
1	1	0	0	0	0	0
1	1	0	1	1	0	1
1	1	1	0	1	0	1
1	1	1	1	1	1	0

 

 

 

Question No.2 Write any three features and two limitations of each one in the given format (Marks = 5)

 

Features: (3 Marks)

Sr.No.	Word Processor	Spread Sheet
1.	insert text: Allows you to insert text anywhere in the document.	A spreadsheet is a grid consisting of columns and rows. Rows are labeled with numbers, and columns are labeled with letters, giving each cell a unique address consisting of a number and a letter. If you are familiar with the old game "Battleship", you'll be quite comfortable with cell addressing.
2.	copy : Allows you to duplicate a section of text.	A single "grid", or page, is usually referred to as a worksheet.
3.	Direct mail attachment and Data recovery Options	Data recovery, AutoSave and And much more                                                  much more

 

 Limitations: (2 Marks)

Sr.No.	Word Processor	Spread Sheet
1.	Compatibility- While written work saved in a word processor is supposedly universal and easily accessible; in reality it may be difficult to access work on computers using different software or older versions of the same software.	Spreadsheets only allows you to highlight multiple consecutive cells. You can't highlight A1 and B9, for example. Nor can you highlight multiple columns or rows if they are not consecutive.
2.	Up gradation is very costly.               3D drawing not sported.	Animations and special Effects not present

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