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Create Perl scripts as required below:
a) Create a script named select_by_attribute.pl that accepts the name of a LibML documentand the name of a particular attribute from the command line. (For example, if you have a library of songs, you might like to use the singer, or composer. If you have a video library, you might like to use the actor, actress, director or producer...etc. The script must print to standard output the particular attribute and call numbers of the item as selected by the particular attribute.
b) Create a script delete_description that accepts a LibML document name as its parameter (from the command line). The script should delete the descriptions of all the items and print the resulting document on standard output.
c) Create script count_items.pl that takes a LibML document and report the total number of items in the library. The output should be printed in the standard output in plain text. Note that some item may have more than one call number, meaning that there are more than one item of having the same attribute.
In this assignment, you are required to develop part of a B2C e-Commerce site which is an online movie reservation system for a multiplex theatre. Through the developed site, the u
DeMorgan's first theorem shows the equivalence of which logic gate ? Ans. DeMorgan's first theorem depicts the equivalence of NOR gate and Bubbled AND gate. For De Morgan's
Why the temporary registers W and Z are named so I mean we start from A,B,C,D,E then H and L coz H stands for higher bit nd L for lower bit of the address pointed by memory pointer
managing devices and disks
Give brief description about arithmetic processing unit To execute the arithmetic operations there is a separate section known as arithmetic processing unit in CPU. The arithme
What are the Counters? 1. The Counter is a sequential circuit which consists of a set of flip flops connected in a appropriate manner to count the sequence of input pulses.
Define the term package- object oriented modeling A package is a common purpose mechanism for organising elements into groups. Package can also contain other packages. The no
History Of Parallel Computers The test with and implementations of the utilize of parallelism started year back in the 1950s by the IBM. The IBM enlarges computers also calle
Explain the term- Looking at existing paperwork This allows analyst to see how paper files are kept and look at operating instructions and check accounts, training manuals etc
(a) Convert the following number to single precision IEEE 754 based on the procedure described in class and in the notes. Express the result in hexadecimal. Show all your work.
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