a$.$ Define proprietary and open source software. $[10]$

b$.$ Discuss, with suitable examples, the differences and similarities between

proprietary and open$-$software software. $[20]$

c$.$ Discuss the advantages and disadvantages of proprietary and open$-$source

software. $[20]$

d$.$ Motivate which software you would recommend for library use between

proprietary and open$-$source software. $[20]$

e$.$ Discuss at least five prominent library and records management applications in

the modern era. Specify if they are proprietary or open source $[30]$

Also list the References using the Harvard method $($the author$-$date method$)$