Computer Organization and Assembly Language Programming
Study Guide Questions
Course Introduction
This course provides a comprehensive introduction to the fundamental concepts of computer organization and the principles of assembly language programming. Students will explore the architecture and operation of digital computers, including data representation, processor structure, memory hierarchy, input/output systems, and instruction sets. The course emphasizes low-level programming through hands-on experience with assembly language, enabling students to understand how high-level language constructs are translated into machine operations. By completing this course, students will gain a deeper appreciation of how hardware and software interact, laying a strong foundation for further studies in computer engineering and systems programming.
Recommended Textbook
Assembly Language for x86 Processors 7th Edition by Kip R. Irvine
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17 Chapters
255 Verified Questions
255 Flashcards
Source URL: https://quizplus.com/study-set/3977 Page 2
Chapter 1: Basic Concepts Assessment
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14 Verified Questions
14 Flashcards
Source URL: https://quizplus.com/quiz/79902
Sample Questions
Q1) To translate an unsigned decimal integer into binary,repeatedly divide the integer by 2,saving each remainder as a binary digit.
A)True
B)False
Answer: True
Q2) A virtual machine may be constructed from software.
A)True
B)False
Answer: True
Q3) The 8-bit two's complement of binary 00000010 is 11111110.
A)True
B)False
Answer: True
Q4) The sum of 3AB4h and 0429h is 3EDDh.
A)True
B)False
Answer: True
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3
Chapter 2: X86 Processor Architecture Assessment
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) The Basic Input-Output System is a collection of low-level subroutines that communicate directly with hardware devices.
A)True
B)False
Answer: True
Q2) Another name for "machine cycle" is clock cycle.
A)True
B)False
Answer: True
Q3) Requests from hardware devices are called "interrrupts".
A)True
B)False
Answer: True
Q4) The arithmetic logic unit performs addition,subtraction,multiplication,and division operations.
A)True
B)False
Answer: True
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Page 4
Chapter 3: Assembly Language
Fundamentals-assessment
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/79900
Sample Questions
Q1) A code name must end with a colon (:).
A)True
B)False
Answer: True
Q2) In the following statement,EAX is called the source operand: mov EBX,EAX
A)True
B)False Answer: True
Q3) An identifier in assembly language may only contain letters and digits.
A)True
B)False
Answer: False
Q4) A string literal must be enclosed in double quotes.
A)True
B)False Answer: False
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Chapter 4: Data Transfers,addressing,and
Arithmetic-assessment
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/79899
Sample Questions
Q1) The following instruction will assemble correctly: dec BYTE PTR [edi]
A)True
B)False
Q2) Suppose BX and DX both contain positive integers.If adding them produces a negative result,the Overflow flag will be set.
A)True
B)False
Q3) When you move a 16-bit constant or an 8-bit constant into a 64-bit register,the upper bits of the destination operand are cleared.
A)True
B)False
Q4) The EIP register can be the source operand of a MOV,ADD,or SUB instruction. A)True
B)False
Q5) The Overflow flag will never be set when subtracting a positive integer from a negative integer.
A)True
B)False
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Chapter 5: Procedures-assessment
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16 Verified Questions
16 Flashcards
Source URL: https://quizplus.com/quiz/79898
Sample Questions
Q1) In 32-bit mode,immediate values pushed on the stack are always 32 bits long.
A)True
B)False
Q2) The PUSH instruction copies a value from the stack to an operand before decrementing the stack pointer.
A)True
B)False
Q3) The WriteDec procedure does not display a plus sign.
A)True
B)False
Q4) The USES operator,coupled with the PROC directive,lets you list the names of all registers modified within a procedure..
A)True
B)False
Q5) The runtime stack is the same as the stack abstract data type (ADT). A)True
B)False
Q6) The EBP register points to the last value pushed on the runtime stack. A)True
B)False
Page 7
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Chapter 6: Conditional Processing Assessment
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) The JBE instruction is used when comparing unsigned integers.
A)True
B)False
Q2) The destination operand of the OR instruction cannot be a memory operand.
A)True
B)False
Q3) The TEST instruction always alters the destination operand.
A)True
B)False
Q4) XORing an operand with 1 always causes the Zero flag to be set.
A)True
B)False
Q5) For any two integers n and m,((n XOR m)XOR m)produces n.
A)True
B)False
Q6) The OR instruction can be used to find the intersection of two bit-mapped sets.
A)True
B)False
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Chapter 7: Integer Arithmetic Assessment
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) The SAR and SHR instructions perform the same operation.
A)True
B)False
Q2) When the MUL BX instruction executes,the 32-bit product ends into the EAX register.
A)True
B)False
Q3) RDX will equal 1 after the following instructions have executed.
mov rax,0FFFF0000FFFF0000h
mov rbx,2
mul rbx
A)True
B)False
Q4) When the MUL BL instruction executes,the upper half of the product ends up in the AH register.
A)True B)False
Q5) The ROR instruction is only suitable for signed integers.
A)True
B)False
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Chapter 8: Advanced Procedures Assessment
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/79895
Sample Questions
Q1) The following is a valid LOCAL declaration: LOCAL LastName:BYTE(25)
A)True
B)False
Q2) In assembly language,a variable declared using the LOCAL directive in one procedure can be read by code in another procedure.
A)True
B)False
Q3) The C calling convention is used by the Irvine32 library.
A)True
B)False
Q4) When a subroutine argument is passed by value,the calling program pushes the argument's address on the stack.
A)True
B)False
Q5) The C calling convention requires the calling program to reset the stack pointer after the subroutine has returned.
A)True
B)False
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Chapter 9: Strings and Arrays Assessment
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) The REPNE prefix repeats an instruction while the Zero flag is set,and ECX is greater than zero.
A)True
B)False
Q2) The MOVSW instruction copies a word from the location addressed by ESI to the location addressed by EDI.
A)True
B)False
Q3) array[EDX+ESI] is an example of a base-index-displacement operand.
A)True B)False
Q4) The LODSD instruction loads a doubleword from the memory location addressed by ESI.
A)True B)False
Q5) The CMPSW instruction uses memory pointed to by EDI as the source operand.
A)True B)False
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Chapter 10: Structures and Macros Assessment
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) An array can be declared as a structure member.
A)True
B)False
Q2) When a macro is invoked,the CALL instruction executes if the macro uses the ASPROC operator.
A)True
B)False
Q3) A structure variable cannot be declared inside another structure.
A)True
B)False
Q4) When defining a structure variable,you can specify default values for zero or more structure fields.
A)True
B)False
Q5) The IFNOTB directive permits assembly if its argument is not blank.
A)True
B)False
Q6) The IFNDIF directive permits assembly if two arguments are equal. A)True
B)False
Page 12
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Chapter 11: Ms-Windows Programming Assessment
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) The CREATE_NEW constant can be passed to the creationDisposition parameter in the CreateFile function.
A)True
B)False
Q2) The COORD structure defined in MS-Windows specifies X and Y screen coordinates in pixel coordinates.
A)True
B)False
Q3) A application programming interface (API)includes functions,data types and constants.
A)True
B)False
Q4) The LPSTR data type in the Win32 API is a 32-bit pointer to a character string.
A)True
B)False
Q5) When requesting single-character input,you must call SetConsoleMode to alter the console flag settings.
A)True
B)False
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Chapter 12: Floating-Point Processing and Instruction
Encoding Assessment
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/79891
Sample Questions
Q1) In a single-precision real number,the exponent uses 7 bits. A)True
B)False
Q2) If we were to denormalize the binary number 1.1101 x 2<sup>3</sup>,the result would be binary 1110.1.
A)True
B)False
Q3) The X86 FPU uses a standard for Binary Floating-Point Arithmetic produced by the IEEE organization
A)True
B)False
Q4) The FCOMI instruction compares two floating-point values and sets the Zero,Parity,and Carry flags according to the result of the comparison. A)True B)False
Q5) There are two types of NaNs,one of which is named Quiet NaN. A)True
B)False
14
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Chapter 13: High-Level Language Interface-- Assessment
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) In Visual C++,an inline statement can refer to labels outside the __asm block.
A)True
B)False
Q2) C language programs automatically convert external identifiers to all uppercase letters.
A)True
B)False
Q3) Name decoration is used by C++ because it supports the overloading of function names.
A)True
B)False
Q4) When a C++ functions is called,floating-point values inside the function are usually pushed on the processor's floating-point stack before returning to the function's caller.
A)True
B)False
Q5) A language's calling convention includes a list of which registers must be preserved by called procedures.
A)True
B)False
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Chapter 14: 16-Bit Ms-Dos Programming Assessment
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/79889
Sample Questions
Q1) Video services are handled by INT 16h.
A)True
B)False
Q2) The INT instruction uses a value in the BX register to locate an entry in the interrupt vector table.
A)True
B)False
Q3) MS-DOS services are handled by INT 21h.
A)True
B)False
Q4) The < operator,when used at the MS-DOS command prompt,redirects the current program's input.
A)True
B)False
Q5) The device names for parallel printer port 1 are both PRN and LPT1.
A)True
B)False
Q6) INT 21h,function 10h writes a string to standard output.
A)True
B)False
Page 16
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Chapter 15: Disk Fundamentals Assessment
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) Clusters are the basic unit of storage for directories and files in a FAT-type file system.
A)True B)False
Q2) A track contains multiple sectors. A)True
B)False
Q3) Each read-write head in a disk drive moves independently of the other read/write heads.
A)True B)False
Q4) The MS-DOS file attribute byte does not include a hidden attribute. A)True B)False
Q5) A disk containing primarily small files should use a small cluster size to make the most efficient use of space.
A)True B)False
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Chapter 16: Bios-Level Programming Assessment
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/79887
Sample Questions
Q1) The BIOS data area includes the current video mode.
A)True
B)False
Q2) Memory-mapped graphics in Mode 13h permits 128 different integer values for each color.
A)True
B)False
Q3) In text mode,each character is assigned a separate attribute byte that determines its color.
A)True
B)False
Q4) Character colors use 4 bits for the foreground color,and 4 bits for the background color.Blinking is controlled by a 9<sup>th</sup> bit that is not part of the attribute byte.
A)True
B)False
Q5) Keys stored in the keyboard typeahead buffer can only be retrieved by calling INT 16h.
A)True
B)False
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Chapter 17: Expert Ms-Dos Programming Assessment
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/79886
Sample Questions
Q1) All COM programs use the small memory model.
A)True
B)False
Q2) In large model programs,all code segments have the same name.
A)True
B)False
Q3) The ASSUME directive permits the assembler to calculate the offsets of labels and variables.
A)True
B)False
Q4) The segment combine type tells the linker how to combine segments having the same name.
A)True
B)False
Q5) When an interrupt executes,an address in the Exception Process Table is used to locate the interrrupt handler.
A)True
B)False
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