Soaan 29, 30

29a.  H is an Operating System ( OS ) and J is Utility Software.
(Nyatakan DUA perbezaan antara H dan J ini)

29b.  Perisian I adalah perisian aplikasi.  (Antara jenis perisian jenis ini adalah pemproses kata / word processor, Hamparan elektronik / spreadsheet - Pilih satu jneis perisian aplikasi, nyatakan satu contoh dan kegunaannya).

30a.  Device M is  Modem.

Modem converts digital signal into analog and back again into digital signal.
OR
Device M is Router.  Router is a computer networking device that buffers and forwards data packets across an internetwork toward their destinations.
30b.  Topology used in A was Star Topology.
The advantage of this topology was ....