State whether the following are valid identifiers (function or variable name) and if so, whether they’re mnemonic names that convey some idea of the function’s purpose. If they are invalid names, state why. (20pts) Power  Density    m1234      newamp  1234 abcd       total tangent absval computed b34a 34ab       volts$ a2B3 while  minVal sine $sine      cosine     speed- netdistance sum        return  stack

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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State whether the following are valid identifiers (function or variable name) and if so, whether they’re mnemonic names that convey some idea of the function’s purpose. If they are invalid names, state why. (20pts)

Power 

Density   

m1234     

newamp 

1234

abcd      

total

tangent

absval

computed

b34a

34ab      

volts$

a2B3

while 

minVal

sine

$sine

    

cosine    

speed-

netdistance

sum       

return 

stack

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