Microprocessor Systems Quiz 1 PDF

Microprocessor Systems (Lecture) Quiz 1 (SetA) 1st Quarter SY 2019-2020 Multiple Choice Identify the choice that best completes the statements or answers the question. _A_ 1. Superscalar computing or the capability to process 2 or more instructions sim...

Microprocessor Systems (Lecture) Quiz 1 (SetA) 1st Quarter SY 2019-2020 Multiple Choice Identify the choice that best completes the statements or answers the question. _A_ 1. Superscalar computing or the capability to process 2 or more instructions simultaneously was first introduce in a. Pentium b. 80486 c. Pentium Pro d. Pentium-M _C_ 2. The interrupt for which the processor has the highest priority among all the external interrupts is a. keyboard interrupt b. TRAP c. NMI d. INT _B_ 3. The hexadecimal equivalent of a single precision floating point number is C0600000H. What is the unbiased exponent in binary? a. 0 b. 1 c. 0111 1111 d. 1000 0000 _C_ 4. The hexadecimal equivalent of a single precision floating point number is 41DD0000H. What is the decimal equivalent? a. +19.125 b. -19.125 c. +27.625 d. -27.625 _D_ 5. The invention of Integrated Circuit (IC) was credited to a. Robert Noyce b. Jack Kilby c. William Shockley d. both A and B _D_ 6. Given the initial statuses of FLAGS - OF=0; IF=1; ZF=0; AF=0; PF=? and CF=0 and that AL=FF and BL=01. Simulate the following instructions to determine the final statuses of the FLAGS: ADD AL, BL CLC CLI a. OF=0; IF=0; ZF=0; AF=1; PF=0; CF=0 c. OF=1; IF=1; ZF=0; AF=1; PF=1; CF=1 b. OF=1; IF=0; ZF=0; AF=1; PF=0; CF=0 d. OF=1; IF=0; ZF=0; AF=1; PF=1; CF=0 _D_ 7. Which of the following early machines did not used gears as major component of the device a. Schickard's Machine b. Leibniz Stepped Reckoner c. Pascaline d. Jacquard's Loom _B_ 8. In converting decimal -0.09375 to single precision floating point number, what is the biased exponent in binary? a. 1000 0100 b. 0111 1011 c. 1000 0010 d. 0110 1111 _A_ 9. The hexadecimal equivalent of a single precision floating point number is 3F800000H. What is the normalized form of the binary value? a. 1.02x2^0 b. 1.11x2^1 c. 1.11x2^-1 d. 1.0x2^1 _A_ 10. The world's first 8-bit microrpocessor. a. 8008 b. 8080 c. 6800 d. Z80 _C_ 11. Which is not a word-sized register? a. ES b. FLAGS c. EIP d. R15W _C_ 12. The equivalent single-precision floating point number of the decimal -0.09375 when expressed in Hex is _____ a. 42228000H b. C2370000H c. BDC00000H d. 41020000H _A_ 13. The project that produced the first microprocessor originated in 1969 and was conceptualized by the company a. BUSICOM b. Intel c. Texas Instruments d. Garrett AiResearch A/D 14. In converting decimal +45.75 to simgle-precision floating point number, what is the biased exponent in binary? a. 1000 0100 b. 0111 1011 c. 1000 0010 d. 1000 0100 _D_ 15. The hexadecimal equivalent of a single precision floating point number is C0600000H. what is the biased exponent in binary? a. 0 b. 1 c. 0111 1111 d. 1000 0000 _A_ 16. In converting decimal +45.75 to single-precision floating point number, what is the normalized form of the binary equivalent? a. 1.0110111x2^5 b. 1.000001x2^3 c. 1.1x2^-4 d. 1.01000101x2^-5 _C_ 17. 80286 microprocessor is very similar to 8086 and 8088 except that it can access ______ of memory. a. 64 KB b. 1 MB c. 16 MB d. none of the choices _D_ 18. In 8086 microprocessor , the address bus is _____ bit wide a. 12 b. 10 c. 16 d. 20 _A_ 19. The hexadecimal equivalent of a single precision floating point number is 3F800000H. What is the biased exponent in binary? a. 0111 1111 b. 1000 0000 c. 0 d. 1 _C_ 20. A doubleword number , 12345678H, is to be stored into memory using little endian format starting at memory location 00100H. What would be the content of memory location 00101H? a. 12 b. 34 c. 56 d. 78 _B_ 21. The hexadecimal equivalent of a single precision floating point number is C1990000H. what is the biased exponent in decimal? a. 123 b. 131 c. -4 d. 4 _A_ 22. Given the initial statuses of FLAGS - OF=0; ZF=1; AF=0; PF=1 and CF=0 and that AL=1F and BL=F1. Simulate the following instructions to determine the statuses of the FLAGS after executing the instruction ADD AL, BL a. OF=1; ZF=0; AF=1; PF=0; CF=1 c. OF=1; ZF=1; AF=1; PF=1; CF=1 b. OF=1; ZF=0; AF=1; PF=1; CF=1 d. OF=0; ZF=0; AF=1; PF=1; CF=1 _B_ 23. _____ was a mechanical analog (non-electric) computing tool that could perform many of the engineering computations. This device was used by NASA engineers for their various space missions. a. napier bones b. slide rule c. Abacus d. hollerith's machine _B_ 24. The hexadecimal equivalent of single precision floating point number is 41DD0000H. what is the normalized form of the binary value? a. 1.0011001x2^4 b. 1.1011101x2^4 c. 1.0011001x2^-4 d.1.1011101x2^-4 _B_ 25. The hexadecimal equivalent of a single precision floating point number is C1990000H. What is the decimal equivalent? a. +19.125 b. -19.125 c. +27.325 d. -27.625 _C_ 26. These are signals that indicate need of attention, perform special task and resume the pre-empted operation. a. Watchdog monitor b. instruction decode c. interrupt d. DMA _C_ 27. The hexadecimal equivalent of a single precision floating point number is C0600000H. What is the decimal equivalent ? a. -1.0 b. 1.0 c. -3.5 d. 3.5 _A_ 28. Intel CPUs are also called ______ computers, while Motorola processors are called ________ computers. a. little endian; big endian c. little indian; big indian b. big endian; little endian d. big indian; little Indian _D_ 29. Embedded Computing was made possible in which Generation of Computers? a. 1st generation b. 2nd generation c. 3rd generation d. 4th generation _D_ 30. Busicom's original design for their calculator chipset that would later end up to be intel 4004 was consisted of _____ different chips a. one b. three c. five d. seven _D_ 31. The register width used by the 32-bit addressing modes is a. 8 bits b. 16 bits c. 32 bits d. All of the above _A_ 32. A doubleword number, 12345678H is to be stored into memory using little endian format starting at memory location 00100H. What would be the content of memory location 00103H? a. 12 b. 34 c. 56 d. 78 _A_ 33. First chip developed by Intel a. Intel 3101 b. Intel 4004 c. Intel 8080 d. Intel 8086 _B_ 34. Who did not get credit for invention of the transistor? a. W. Schockley b. J.P. Eckert c. W. Brattain d. J. Bardeen _B_ 35. The hexadecimal equivalent of a single precision floating point number is C1990000H. what is the normalized form of the binary value? a. -4 b. 4 c. 131 d. 123 _A_ 36. The hexadecimal equivalent of a single precision floating point number is C1990000H. what is the normalized form of the binary value? a. 1.0011001x2^4 b. 1.1011101x2^4 c. 1.0011001x2^-4 d. 1.1011101x2^-4 _D_ 37. Which of the following is a data segment register of 80386? a. DS b. ES c. FS d. All of the above _A_ 38. The most basic but complete microprocessor-based computer would consist of a. CPU, memory, I/O, system bus c. CPU, memory, I/O, timing circuitry b. CPU, memory, I/O, interrupt circuitry d. None of the above Completion Complete each statement 39. (PEO2) Had substantial involvement in projects that take into consideration safety, health, environmental concerns and the public welfare, partly through [adherence] to required codes and laws. 40. (M1) The university shall provide a [learning environment] in order for its students to acquire the [attributes] that will make them globally competitive. 41. (M3) The University shall provide [state-of-the-art] solutions to problems of [industries] and communities. 42. (M2) The University shall engage in [publishable] and/or [economically viable] research, development and innovation. 43. (Vision) Mapua shall be among the best [universities] in the world. Matching a. accumulator f. destination index register b. base index register g. source index register c. count register h. instruction pointer register d. data register i. stack pointer register e. base pointer register j. FLAGS register _D_ 44. Holds a part of the result from a multiplication or part of the dividend before a division. _A_ 45. Used for instructions such as multiplication, division, and some of the adjustment instructions. _J_ 46. Indicate the condition of the microprocessor and control its operation. _E_ 47. Points to a memory location for memory data transfer _H_ 48. Addresses the next instruction in the code segment. _B_ 49. Holds the offset address of a location in the memory system in all versions of the microprocessor. Problem Show in a memory map how the following BCD numbers are stored (sequentially) in memory starting at address 0000. Use Little Endian format of storing bytes. Use BCD numbers (not binary). 1) decimal 78 as unpacked BCD 2) decimal 543 as unpacked BCD 3) decimal 3437 as packed BCD 4) decimal 4503 as packed BCD 0000 08 07 0002 03 04 05 0005 37 34 0007 03 45