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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Examinations 2010
Module Title: Computer Hardware
Module Code: COMH 6003
School: Mathematics & Computing
Programme Title: Bachelor of Science (Honours) in WEB Development – Year 1
Programme Code: KWEBD_8_Y
External Examiner(s): Mr. A .O’Leary Internal Examiner(s): Dr. J. Creagh
Instructions: Answer Question 1 and TWO other questions
Duration: 2 Hours
Sitting: Winter 2010
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 paper. If in doubt please contact an Invigilator.
Q1. (a) When is ESD most likely to occur? (5 marks) (b) What is the function of a zif socket on a motherboard? (5 marks) (c) What is the advantage of hot-swapping for storage devices? (5 marks) (d) Briefly describe the following and outline the key differences: i. LGA 1156 ii. Socket AM3 (5 marks) (e) Explain over clocking of processors. Explain some of the principle issues associated with over clocking? (5 marks) (f) List the main types of ROM. (5 marks) (g) What interface is used to connect to a hard drive in the latest PCs? (5 marks) (h) List 5 ports found on the backpanel of a typical motherboard? (5 marks) [40 marks]
Q2 (a) Describe the operation of a typical hard disk drive. Diagram required. Outline the various components that enable the disk to operate. (12 marks) (b) What is virtual memory? (5 marks) (c) Describe RAID 0, RAID 1 and RAID 5 (diagrams required). Explain the consequences of a disk failure for each of these RAID types. (9 marks) (d) What are the principal benefits of SSD? (4 marks) [30 marks]
Q3. (a) Describe SRAM and its characteristics. Describe DRAM and its characteristics. Where is SRAM primarily used and where is DRAM primarily used on a PC? (12 marks) (b) List the principal types of memory form factors. (5 marks) (c) What does BIOS stand for? Define CMOS? What are the principal menu options provided by a typical BIOS editing program? (8 marks) (d) What should be considered when selecting a power supply for a PC? (5 marks) [30 marks]
