2.2

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Questions and Answers

What is the stored-program concept?

Instructions and data can be stored in memory as numbers. (correct)

All programming languages are object-oriented.

Programming languages are written in a specific order.

Computers can only perform one operation at a time.

RISC-V is a proprietary architecture that is owned by a single company.

False

What does RISC-V stand for?

Reduced Instruction Set Computer - V

Every computer must be able to perform __________ operations.

arithmetic Signup and view all the answers

Match the following terms with their definitions:

RISC = Reduced Instruction Set Computing Instruction set = Set of commands understood by a CPU Compiler optimization = Improving program performance Object-oriented language = Languages that use objects for programming Signup and view all the answers

The RISC-V architecture was created in 2020.

False Signup and view all the answers

Why is it important to learn how to represent instructions?

It helps in understanding the computing process and the stored-program concept. Signup and view all the answers

What is the total number of instructions required to sum four variables (b, c, d, e) into a?

2 Signup and view all the answers

The RISC-V language allows multiple instructions per line.

False Signup and view all the answers

Which principle of hardware design emphasizes the importance of keeping the hardware simple?

Simplicity favors regularity Signup and view all the answers

In RISC-V, the instruction 'add a, b, c' adds the variables b and c and places the result in ______.

a Signup and view all the answers

Match the following terms to their correct definitions:

RISC-V = A type of assembly language Operands = Variables used in an instruction Comments = Human-readable explanations in code Arithmetic Instruction = Performs basic math operations Signup and view all the answers

Which of the following statements is true about RISC-V arithmetic instructions?

They require exactly three operands. Signup and view all the answers

Comments in RISC-V assembly language terminate at the end of a line.

True Signup and view all the answers

What happens to the variable 'a' after executing the instruction 'add a, b, c'?

It stores the sum of variables b and c. Signup and view all the answers

Which RISC-V instruction is used to add two variables?

add Signup and view all the answers

In RISC-V assembly, a single instruction can perform more than one operation.

False Signup and view all the answers

What is the purpose of temporary variables in RISC-V instructions?

To hold intermediate results of calculations. Signup and view all the answers

Match the following C assignment statements with their equivalent RISC-V assembly instructions:

a = b + c; = add a, b, c f = (g + h) - (i + j); = sub f, t0, t1 d = a - e; = sub d, a, e t0 = g + h; = add t0, g, h Signup and view all the answers

The instruction 'sub f, t0, t1' assigns the result of t1 - t0 to f.

False Signup and view all the answers

List the high-level programming languages mentioned that relate to C.

Java Signup and view all the answers

Study Notes

Operations of the Computer Hardware

Instruction representation in programming languages, focusing on C and object-oriented languages like Java.
The stored-program concept underlines that instructions and data can be stored in memory as numbers, facilitating flexibility and optimization.
RISC-V, an open architecture managed by RISC-V International, boasts membership from over 200 companies, highlighting its growing popularity.
Arithmetic operations are fundamental; RISC-V assembly language enforces strict syntax with three operands per instruction.
Example of RISC-V addition:
- add a, b, c: Adds variables b and c, storing the result in a.
- Multiple instructions are required to sum more than two variables.
Comments in RISC-V are marked with double slashes (//) and are line-specific.
Simplicity in hardware design is emphasized; each instruction follows the rule of exactly three operands for consistency and ease of hardware implementation.
Higher-level languages like C or Java can be translated into RISC-V assembly, illustrating the relationship between complex programming and simpler machine codes.
Two given C assignment statements translated into RISC-V:
- a = b + c becomes add a, b, c
- d = a - e becomes sub d, a, e
Example of a more complex C assignment:
- f = (g + h) - (i + j) requires several RISC-V instructions using temporary variables:
  - add t0, g, h and add t1, i, j to create sums, followed by sub f, t0, t1.
Compiling complexity shows the necessity of multiple instructions for single high-level operations, showcasing the detailed nature of assembly programming.

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Description

This quiz explores the fundamental operations of computer hardware, emphasizing instruction representation in programming languages such as C and Java. It covers the RISC-V architecture, including its syntax and arithmetic operations, as well as the importance of the stored-program concept. Test your understanding of these key concepts and the efficiency of RISC-V assembly language.