$$(X \wedge \neg Y) \vee (\neg X \wedge Y)$$

Question 1

Which of the following best describes the relationship between assembly language and machine language?

Accepted Answer

Assembly language has a one-to-one correspondence with machine language instructions.

Question 2

A program written in a high-level language such as C++ is compiled. Which of the following best describes what happens during this process?

Accepted Answer

The program is translated into assembly language and then into machine language.

Question 3

What is the decimal value of the 8-bit binary number $$11010110$$?

Accepted Answer

$$214$$

Question 4

Which of the following is NOT a typical application of assembly language programming?

Accepted Answer

Cross-platform web applications using HTML and JavaScript.

Question 5

Given the hexadecimal number $$3A7F$$, what is its decimal equivalent?

Accepted Answer

$$14975$$

Question 6

Which Boolean expression is equivalent to the logic circuit that outputs true only when exactly one of its two inputs is true?

Accepted Answer

$$(X \wedge 
eg Y) \vee (
eg X \wedge Y)$$

Question 7

If you want to store the signed integer $$-42 in an 8-$$bit two's complement format, what is the binary representation?

Accepted Answer

$$11010110$$

Question 8

A variable is stored at address $$00400020$$ and the next variable is at $$0040006A. $$How many bytes does the first variable occupy?

Accepted Answer

$$42$$ bytes

Question 9

Which of the following statements about the portability of assembly language is correct?

Accepted Answer

Assembly language must be rewritten for each processor family.

Question 10

What is the result of adding the hexadecimal numbers $$6A$$ and $$4B$$?

Accepted Answer

$$B5 (in $$hexadecimal)

Question 11

Which of the following best describes the function of an assembler?

Accepted Answer

It converts assembly language source code into machine language.

Question 12

What is the two's complement of the 8-bit binary number $$00010110$$?

Accepted Answer

$$11101010$$

Question 13

Which of the following is a correct method for converting an unsigned decimal integer to binary?

Accepted Answer

Divide the decimal number by 2 repeatedly and record the remainders.

Question 14

Which of the following is the correct order of machine levels from highest to lowest abstraction?

Accepted Answer

High-Level Language, Assembly Language, Machine Language, Digital Logic

Question 15

A Boolean function outputs true only when both inputs are true. Which logic gate and expression represent this function?

Accepted Answer

AND gate, $$X \wedge Y$$

Question 16

Which of the following is a reason why assembly language is used for embedded systems?

Accepted Answer

It enables small code size and precise control over hardware.

Question 17

What is the hexadecimal representation of the binary number $$10101111$$?

Accepted Answer

$$AF$$

Question 18

Which of the following best describes the concept of a virtual machine in computer architecture?

Accepted Answer

An abstraction layer that allows programs to run independently of the underlying hardware.

Question 19

If you subtract $$0101_2$$ from $$1001_2$$ using two's complement arithmetic, what is the result in binary?

Accepted Answer

$$0100_2$$

Question 20

Which of the following is a correct statement about Boolean algebra in digital logic?

Accepted Answer

Boolean expressions can be implemented using digital logic gates.

Assembly Language Programming and Data Representation: Foundational Concepts for Computer Architecture

Study Guide - Practice Questions