fall 08 test 2 (arbel)

fall 08 test 2 (arbel) - Name: Student ID: Department of...

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Name: Student ID: Department of Electrical and Computer Engineering Computer Engineering Course 304-322A CLASS TEST 2 Solutions 12 November 2008 - 1135 to 1225 This is a closed book test. No aids other than a hand calculator are permitted. All 4 questions carry an equal weight and each is worth 6 marks (for a total of 24 marks). All questions must be answered on this sheet - no other answer books will be marked. DO NOT FORGET TO WRITE YOUR NAME AND STUDENT ID ON EVERY PAGE OF THIS QUESTION SHEET. 1. (a) Define the following terms (3 pts): Bootstrapping: __________________________________________________________ _______________________________________________________________________ Hardwiring the CPU to get its first set of instructions from the ROM on power up. Disk Squeeze:___________________________________________________________ _______________________________________________________________________ Method to recover from fracturing - move each file so that all the empty space collects at the end. Timing Track: __________________________________________________________ ______________________________________________________________________ One particular track on the surface of a platter used to identify the start of a tracks and sectors on the surface. In a multi-platter disk, there is likely to be a timing surface. The head needs to read the timing track before reading any data.
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Name: Student ID: 2 (b) Explain the role of each of the following items found in the DMA controller we designed in class: (3 pts) Memory Address Counter Register : ________________________________________________________________________ ________________________________________________________________________ S tarting address in memory of data to be transferred Byte/Word Counter Register : ________________________________________________________________________ ________________________________________________________________________ C ount of number of bytes/words to transfer Memory Data Buffer : ________________________________________________________________________ ________________________________________________________________________ Store data outgoing data received or incoming data to be transferred.
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Name: Student ID: 3 2. (a)
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fall 08 test 2 (arbel) - Name: Student ID: Department of...

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