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Now consider the following spreadsheet:
Formula in cell D2 is = (B2/C2)
Replicating this formula (by highlighting then drag down to D7) gives all the formulas needed in cells D3 to D7
Formula in D8 (to find average) can be done in 3 ways:
= AVERAGE (C2:C7) or
= SUM (C2:C7)/6 or
= (C2+C3+C4+C5+C6+C7)/6
Formula in D9 to find out maximum value in column is = MAX (C2:C7)
- Problems associated with spreadsheets:
- Capacity (that implies maximum number of columns and rows) can be limiting when dealing with large data sets
- Security issues in some spreadsheets (it implies if you can open a spreadsheet you can also change any part of it; this can lead to fraud
- lack of concurrency; generally only one person can work on a spreadsheet at any given time (databases are better in this aspect as they can usually be opened by more than one user at a time)
- Due to their structure it's easy to enter an error (whether on purpose or by mistake) by entering data in the wrong cells or dependencies among cells incorrectly applied.
It is desirable that operating speed of primary storage of a computer system be as fast as possible since most of the data transfer to and from processing unit is via main memory.
Displacement and Stack Addressing mode - computer architecture: Displacement Addressing: In displacement addressing mode there are three types of addressing mode. They
The 2's complement of the number 1101110 is ? Ans. 1's complement of 1101110 is = 0010001 ans hence 2's complement of 1101110 is = 0010001 + 1 = 0010010.
Develop a regular expression for Integer and Identifier (i) A regular expression for integer is [+ | -] (d)+ (ii) A regular expression for identifier is l(l | d)*
The access time of ROM using bipolar transistors is about ? Ans. About 1 µ sec is the access time of ROM using bipolar transistors.
The combinational circuits employ the comparators for comparing the numbers and storing them on the basis of maximum and minimum functions. Likewise in the interconnection networks
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Explain about unix file system architecture
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