QUESTION $1$

$($a$)$ Differentiate system software from application software.

$(2$ mark$)$

$($b$)$ Define an operating system.

$(1$ mark$)$

$($c$)$ List three $(3)$ examples of operating systems used on mobile devices.

$(3$ marks$)$

$($d$)$ Explain the use of the following application programs:

i$)$ Desktop publishing software.

ii$)$ Word processing.

$(1$ mark$)$

iii$)$ Spreadsheet.

$($I mark$)$

$($I mark$)$

$($e$)$ Explain the following features of word processing software citing the importance of eaci feature

i$)$ Grammar Checker,

$(3$ marks$)$

ii$)$ Thesaurus.

$(3$ marks$)$

iii$)$ Spell Checker.

$(3$ marks$)$

iv$)$ Cut and Paste.

$(3$ maks$)$

Total $(20$ marks$)$