ENGR111 Exam 2 (2004)

ENGR111 Exam 2 (2004) - EXAM 2 Fall 2004 ENGR 111B...

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Page 1 of 10 EXAM 2 Fall 2004 ENGR 111B Introduction to Electrical and Computer Engineering Sections 510-519, 813-815 Duration: 90 minutes Name_______________________________________________ UIN___________________________________________ Section No.______________ CLOSED BOOK. CLOSED NOTES. NO CALCULATOR ALLOWED . NO TEAMING. PLACE YOUR SCANTRON INSIDE YOUR EXAM BOOKLET BEFORE YOU HAND IT IN. The following formulas may be useful to you: V = I R (Ohm’s Law) Q = C V (Charge on a capacitor) U = 0.5 C V 2 (Energy stored on a capacitor) P = I V (Power) I = dQ/dt (Current) I = C dV/dt (Capacitor current) V = L dI/dt (Inductor voltage) DeMorgan’s Laws ⋅= =⋅ A BA + B A+B A B Part Type Problems Points per problem Points I Multiple Choice 1-8 1 8 II Multiple Choice 9-14 2 12 III Multiple Choice 15-34 4 80 Total 100
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Page 2 of 10 I. Multiple Choice (1 point each) Match the following 1. Operating System A. Employs layered design 2. Compiler B. Allows multiple users to share resources 3. Networking software C. Application software 4. Spreadsheet program D. Converts high level programs into machine code Match the following: 5. Intel Pentium A. I/O device 6. Ethernet card B. Processor 7. Hard disk C. Network interface 8. Keyboard D. Storage device
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Page 3 of 10 II. Multiple Choice (2 points each) 9. What is the value of the binary number 10001111? A. 15 B. 71 C. 79 D. 143 E. 271 10. Which of the following is not true about memories: A. DRAM requires regular refreshing of data B. SRAM retains data after a failure C. SRAM tends to be faster than DRAM D. DRAM requires less number of transistors than SRAM for the same amount of memory E. None of the above 11. Which logic gate does this truth table match? Inputs Output A B C 0 0 0 0 1 1 1 0 1 1 1 0 A. AND B. OR C. NAND D. NOR E. XOR 12. You are building a computer with SRAM, DRAM, and a hard disk. In what order would you organize these components (starting from the processor)?
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ENGR111 Exam 2 (2004) - EXAM 2 Fall 2004 ENGR 111B...

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