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Unformatted text preview: 00100110 (b) 10110100 8. (i) Perform the following additions in twos complement representations (of length 8). (10 pts.) (ii) Describe these addition problems and the results in decimal values . (a) 01101011 (b) 10101011 + 00110110 + 01110001----------------In base 10, the above addition is In base 10, the above addition is Fall 2007, CS 111 Test #2 Page 3 of 3 9. What is the role of Random Access Memory (RAM) in a computer? (4 pts.) 10. What is the role of CPU in a computer? (4 pts.) 11. What is the role of ALU in a processor? (4 pts.) 12. What is the purpose of a general register? (4 pts.) 13. What is the purpose of the Instruction Register (IR)? (4 pts.) 14. What is the purpose of the Program Counter (PC)? (4 pts.) 15. What is the difference between an Opcode and an Operand ? (4 pts.) 16. Explain about the actions taken during the fetch phase of a CPU cycle in their chronological (i.e., time) order. (4 pts.)...
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This note was uploaded on 04/29/2008 for the course HIST 202 taught by Professor Buller during the Spring '08 term at Virginia Military Institute.
- Spring '08