Computer Architecture Quiz
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Questions and Answers

What is the equivalent single-precision floating point number in hexadecimal for the decimal -0.09375?

  • 42228000H
  • C2370000H
  • 41020000H
  • BDC00000H (correct)
  • Which company conceptualized the project that led to the first microprocessor in 1969?

  • Intel
  • Garrett AiResearch
  • Texas Instruments
  • BUSICOM (correct)
  • When converting the decimal +45.75 to a single-precision floating-point number, what is the biased exponent in binary?

  • 1000 0100 (correct)
  • 1000 0010
  • 1000 0101
  • 0111 1011
  • A single-precision floating point number has a hexadecimal representation of C0600000H. What is its biased exponent in binary?

    <p>1000 0000 (A)</p> Signup and view all the answers

    When converting the decimal +45.75 to a single-precision floating point number, what is the normalized form of its binary equivalent?

    <p>1.0110111 x 2^5 (A)</p> Signup and view all the answers

    The 80286 microprocessor is very similar to the 8086 and 8088, except that it can access _______ of memory.

    <p>16 MB (C)</p> Signup and view all the answers

    In the 8086 microprocessor, what is the width of the address bus?

    <p>20 (A)</p> Signup and view all the answers

    A doubleword number, 12345678H, is stored in memory using little-endian format starting at location 00100H. What is the content of memory location 00101H?

    <p>56 (C)</p> Signup and view all the answers

    Which Intel processor first introduced superscalar computing?

    <p>Pentium (D)</p> Signup and view all the answers

    Which interrupt has the highest priority among external interrupts?

    <p>NMI (B)</p> Signup and view all the answers

    A single-precision floating-point number is represented as C0600000H. What is the unbiased exponent in binary?

    <p>00000001 (A)</p> Signup and view all the answers

    A single-precision floating-point number is represented as 41DD0000H. What is its decimal equivalent?

    <p>+27.625 (B)</p> Signup and view all the answers

    Who is credited with the invention of the integrated circuit (IC)?

    <p>Both A and B (B)</p> Signup and view all the answers

    Given FLAGS register initial status OF=0; IF=1; ZF=0; AF=0; PF=? and CF=0, and AL=FF, BL=01, what are the final FLAGS after ADD AL, BL and CLC, and CLI instructions?

    <p>OF=1; IF=0; ZF=0; AF=1; PF=1; CF=0 (B)</p> Signup and view all the answers

    Which of these early computing machines did not rely on gears as a central component?

    <p>Jacquard's Loom (A)</p> Signup and view all the answers

    What is the biased exponent in binary when converting -0.09375 to a single-precision floating-point number?

    <p>01111011 (D)</p> Signup and view all the answers

    Who did not get credit for invention of the transistor?

    <p>J. P. Eckert (B)</p> Signup and view all the answers

    What is the normalized form of the binary value for the hexadecimal C1990000H?

    <p>1.0011001x2^4 (D)</p> Signup and view all the answers

    Which of the following is a data segment register of the 80386?

    <p>All of the above (D)</p> Signup and view all the answers

    What components are essential for the most basic microprocessor-based computer?

    <p>CPU, memory, I/O, system bus (A)</p> Signup and view all the answers

    Which register holds a part of the result from a multiplication or part of the dividend before a division?

    <p>Accumulator (D)</p> Signup and view all the answers

    Which type of pointer addresses the next instruction in the code segment?

    <p>Instruction Pointer Register (B)</p> Signup and view all the answers

    Which register indicates the condition of the microprocessor and controls its operation?

    <p>FLAGS Register (D)</p> Signup and view all the answers

    What was the mechanical analog computing tool used by NASA engineers?

    <p>Slide rule (A)</p> Signup and view all the answers

    What is the decimal equivalent of the single precision floating point number C1990000H?

    <p>-19.125 (D)</p> Signup and view all the answers

    Which signals are used to indicate a need for attention and resume pre-empted operations?

    <p>Interrupt (B)</p> Signup and view all the answers

    Which generation of computers made Embedded Computing possible?

    <p>4th generation (D)</p> Signup and view all the answers

    How many chips did Busicom's original calculator chipset design consist of?

    <p>Five (B)</p> Signup and view all the answers

    What would be the content of memory location 00103H when storing 12345678H in little endian format?

    <p>78 (B)</p> Signup and view all the answers

    What type of computers are Intel CPUs referred to as?

    <p>Little endian (A)</p> Signup and view all the answers

    Which chip was the first developed by Intel?

    <p>Intel 4004 (D)</p> Signup and view all the answers

    Study Notes

    Multiple Choice Questions

    • Superscalar computing was first introduced in the Pentium Pro processor.
    • The highest priority external interrupt is TRAP.
    • The unbiased exponent in binary for the hexadecimal floating-point number C0600000H is 0111 1111.
    • The decimal equivalent of the hexadecimal floating-point number 41DD0000H is +19.125.
    • Robert Noyce and Jack Kilby are credited with the invention of Integrated Circuits (ICs).
    • Given initial flag statuses (OF=0; IF=1; ZF=0; AF=0; PF=? and CF=0), and AL=FF, BL=01, the instructions ADD AL, BL; CLC; CLI result in OF=1; IF=0; ZF=0; AF=1; PF=0; CF=0.
    • Schickard's Machine is one early calculating machine that did not use gears as a major component.
    • The biased exponent in binary for the decimal -0.09375, expressed as a single-precision floating-point number, is 0111 1011.
    • The normalized form of the binary value for the hexadecimal floating-point number 3F800000H is 1.0x2^0.
    • The world's first 8-bit microprocessor is the 8008.

    Additional Questions

    • A word-sized register that is not a word-sized register is EIP (instruction pointer).
    • The hexadecimal equivalent of -0.09375 in single-precision floating-point is C2370000H.
    • The company that originated the project for the first microprocessor in 1969 was BUSICOM.
    • The biased exponent in binary for the decimal +45.75, expressed as a single-precision floating-point number, is 1000 0100.
    • The biased exponent in binary for the hexadecimal floating-point number C0600000H is 0111 1111.
    • The normalized form of the binary equivalent for the decimal +45.75 in single-precision floating-point is 1.0110111x2^5.
    • The 80286 microprocessor usually has a 16-bit wide address bus.
    • The hexadecimal equivalent of 3F800000H is 0111 1111.
    • Addressing memory located at 00100H in little-endian format for the double word 12345678H results in 00101H containing 34.
    • The first chip developed by Intel was the Intel 3101.
    • The first microprocessor was the Intel 4004.
    • The biased exponent in decimal for the hexadecimal floating-point number C1990000H is 131.
    • The initial flag statuses (OF=0; ZF=1; AF=0; PF=1 and CF=0), and AL=1F, BL=F1, and the instruction ADD AL, BL result in OF=1;ZF=0;AF=1; PF=1;CF=1.

    Additional Topics

    • Napier's bones, a slide rule, an abacus, and Hollerith's machine are examples of mechanical calculating devices.
    • The hexadecimal equivalent to -19.125 in Single-precision floating-point format is C1990000H.
    • Interrupts signify attention requests or special tasks.
    • Decimal equivalent for hexadecimal floating-point C0600000H is -3.5.
    • Intel CPUs are also known as little-endian computers.
    • Motorola processors are generally big-endian.
    • Embedded computing began in the 3rd generation of computers.
    • Busicom's initial design for the Intel 4004 calculator had seven chips.
    • The 32-bit addressing modes use a register width of 32 bits.
    • In little-endian format, the double word 12345678H, stored at memory location 00100H, results in 00103H containing 56.

    BCD Conversion

    • The decimal value 78, when unpacked into BCD, is stored in memory as 08 07.
    • The decimal value 543, when unpacked into BCD, is stored as 03 04 05.
    • The decimal value 3437 is stored in memory as 37 34 as Packed BCD.
    • The decimal value 4503 in memory as Packed BCD is 03 45.

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    Description

    Test your knowledge on computer architecture concepts and technologies, focusing on key innovations such as Integrated Circuits and floating-point representation. This quiz covers multiple aspects, including interrupts and calculating machines, providing a comprehensive evaluation of your understanding. Perfect for students and enthusiasts alike!

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