Final exam - Final Exam CNIT 17600 Summer 2011 Name: _...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Final Exam CNIT 17600 Summer 2011 Name: _______________________________ Multiple Choice (1 point each) 1. Which of the following is the technological advancement(s) that allowed the 4 th generation of computing to begin? a. Vacuum Tubes & Alternating Current Power Systems b. Transistors & Alternating Current Power Systems c. Transistors & Direct Current Power Systems d. Integrated Circuits & VLSI e. None of the Above 2. In the model of modern computing systems, applications that end uses directly interact with are located at which level? a. Level 0 Digital Logic b. Level 1 Control c. Level 3 System Software d. Level 5 High-Level Language e. Level 6 User 3. In the model of modern computing systems, the physical circuits and gates that actually perform the basic operations the computer are located at which level? a. Level 0 Digital Logic b. Level 1 Control c. Level 3 System Software d. Level 5 High-Level Language e. Level 6 User 4. Which of the following components of the central processing unit is responsible for retrieving instructions and then translating those instructions into executable operation codes and operands? a. Arithmetic Logic Unit b. Control Unit c. Registers d. Program Counter e. None of the Above 5. Which of the following is currently the most popular format for representing signed numbers in computing systems? a. Signed Magnitude b. One’s Complement c. Two’s Complement d. Nine’s Complement e. None of the Above
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6. The unsigned 8-bit binary value of 104 10 is: a. 1101000 b. 01101000 c. 11010000 d. 10010111 e. None of the above 7. The signed magnitude 8-bit binary value of 104 10 is: a. 1101000 b. 01101000 c. 11010000 d. 10010111 e. None of the above 8. What is the value of the two’s complement binary number 10011001? a. 153 b. -153 c. -102 d. 103 e. None of the Above 9. Which of the following character codes is the international standard for representing data? a. EBCDIC b. ASCII c. BCD d. Unicode e. All of the Above
Background image of page 2
Inputs Output x y f() 0 0 0 0 1 0 1 0 0 1 1 1 Figure 1 - Boolean Logic Truth Table 10. Which of the following Boolean operators defines the truth table described in Figure 1? a. OR b. AND c. NAND d. XNOR e. XOR Inputs Output x y f() 0 0 0 0 1 1 1 0 1 1 1 0 Figure 2 - Boolean Logic Truth Table 11. Which of the following Boolean operators defines the truth table described in Figure 2? a. OR b. AND c. NAND d. XNOR e. XOR
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Inputs Output x y f() 0 0 1 0 1 1 1 0 1 1 1 0 Figure 3 - Boolean Logic Truth Table 12. Which of the following Boolean operators defines the truth table described in Figure 3? a. OR b. AND c. NAND d. XNOR e. XOR x y A B C D Figure 4 - Digital Decoder Circuit 13. Using Figure 4, which output will be set to a logical 1 when the inputs are x=1 and y=1. a.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/30/2012 for the course CNIT 176 taught by Professor Hansen during the Fall '09 term at Purdue University-West Lafayette.

Page1 / 15

Final exam - Final Exam CNIT 17600 Summer 2011 Name: _...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online