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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Autumn Examinations 2011/
Module Title: Computer Hardware
Module Code: COMH 6003
School: Science & Informatics
Programme Title(s): Bachelor of Science (Honours) in Web Development – Year 1
Programmes Code(s): KWEBD_8_Y
External Examiner(s): Ms Erica Gill
Internal Examiner(s): Mr Pierce Brady
Instructions: Answer Question 1 and TWO other questions
Duration: 2 Hours
Sitting: Autumn 2012
Requirements for this examination:
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the correct examination. If in doubt please contact an Invigilator.
Q1.
a) Describe what is meant by IRQs and why are they used? (5 marks)
b) Briefly explain the differences between SATA and PATA? (5 marks)
c) What interface is used to connect to an internal optical drive in a PC? (5 marks)
d) In determining CPU performance, why is clock speed no longer considered the most important factor? (5 marks)
e) Distinguish between VGA and DVI. (5 marks)
f) What is an EEPROM chip and what is its advantage? (5 marks)
g) Describe the security measures that should be implemented to prevent the installation of an operating system and where are these security measures configured? (5 marks)
h) Briefly explain the following terms and where might they be found: i. AGP ii. PCIe (5 Marks)
[40 Marks]
Q2. a) Briefly explain the following terms i. DDR ii. SDRAM (4 marks)
b) Discuss the factors that should be considered when selecting RAM (6 marks)
c) Draw a diagram illustrating the “Hierarchy of Memory” and briefly, discuss the “Hierarchy of Memory” under the following headings: i. Cost per bit ii. Access time iii. Storage capacity (10 marks)
d) What are SSD and HDD and briefly explain the key difference between the two technologies? (10 marks)
[30 marks]
