Computer Studies Paper 2, WASSCE (SC), 2016

Question 1

(a) (i)What is network cable?

     (ii) State three types of cable used in computer networking.

(b)  Write the acronym VSAT in full.

     

(c)  (i)Distinguish between an email address and a website address.

      (ii) List two examples each of:

          (i) email address

          (ii) website address

 

 

Observation

  • A network cable is an aggregate of thin lined wires fused together for the purpose of conveying signals between nodes.
  • A network cable is a hardware device used to connect or link two or more computers together in order to share resources like Printers, scanners or application software e.t.c.

 

  • A network cable is a medium through which data or information usually moves from one network device to another.

(ii)Types of cables used incomputer networking
     1.Coaxial cable
     2.Twisted pair cable

        (i) Unshielded twisted pair (UTP)

       (ii) Shielded twisted pair (STP)

    3.Fibre optic cable

       (i)Patch cable or patch cord

    4.Telephone cable

    5.Ethernet crossover cable


    6.Null modem cable

       (b)VSAT  - Very Small Aperture Terminal                                               

       (c)(i)  An email address identifies an email box on a network where electronic messages are sent and received while a website address is a reference to a resource that specifies the location of a document or resource on a computer network.                   


           An email address identifies an account on a mail server while a website address is a uniform  resource locator (URL) that links several static or dynamic web pages.

An email address usually contains the @ symbol which is never a part of a website address while a web address begins with either www. or https://

                                                                                                                                   
(ii)  Examples of email address, website address:
email    -           exams@waec.edu.ng.bofe82@yahoo.com, queen@gmail.com,

website-           www.waec.edu.ng, www.waeconline.org , www.google.com

The candidates showed good knowledge of network cable, most candidates were also able to distinguish between an email address and a website address.