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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 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: Winter 2011
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) Distinguish between BIOS and CMOS. (5 marks)
b) What is over clocking and what are the disadvantages of using it? (5 marks)
c) What interface is used to connect to an internal hard drive in a PC? (5 marks)
d) What are the 3 main system resources? (5 marks)
e) Distinguish between RAM and ROM. (5 marks)
f) How would you identify an EPROM chip? (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. SIMM ii. MicoDIMM (5 Marks)
[40 marks]
Q2. a) Briefly explain the following terms i. SSD drive ii. Non-volatile (4 marks)
b) What is cache and in which two places can it be found in a PC? (6 marks)
c) Briefly describe what is meant by DRAM and SRAM. In your explanation outline the key features and characteristics associated with each type of RAM. (10 marks)
d) 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)
[30 marks]
