Question $1$

List and explain the four basic operations of a Computer System.

$(4$ marks$)$

Question $2$

Below is the specification or features for a particular laptop Kenny intends to purchase at Vision City.

$(5$marks$)$

Primary$/$System Memory$-2$GB$,$ Processor$-$Dual Core, Secondary Memory$/$Hard disk $-250$GB$,$ Wireless $($for Laptop$)-802\mathrm{.}11$g$/$n$,($WPA$2$ support required$),$ and $2$ Gigahertz $($ GHz $).$

a$)$ Identify the following specification$/$features from the specification and list them besides the correct features below.

I. Random Access Memory $($RAM$)$:

II$.$ Hard$-$Disk Drive $($HDD

III. Speed:

b$)$ Would you recommend Kenny to purchase that laptop?

c$)$ State one main reason to your answer in $($b$)$ above.

Question $3$

a$)$ State one main difference between the two main types of computer networks, and give an example of each.

$(3$marks$)$

b$)$ List one benefit and one shortcoming of a computer network.

$(2$ marks$)$

Question $4$

a$.$ During a sudden power outage, one internal memory loses data whilst the other remains unaffected. Identify these two types of internal memory and explain the main difference between them. $(2$marks$)$