Table of Contents
- 1 What is the difference between main memory and secondary memory?
- 2 Which best describes the difference between primary and secondary storage?
- 3 What is use of main memory in program execution?
- 4 What is the difference between primary memory and main memory?
- 5 Is SSD primary or secondary storage?
- 6 Why is main memory faster than secondary memory?
- 7 How a program is executed in C?
- 8 Where a program is stored and executed in C?
- 9 What is the memory layout of a running process?
- 10 What is memory layout in C programming?
What is the difference between main memory and secondary memory?
Primary memory data is directly accessed by the processing unit whereas Secondary memory data cannot be accessed directly by the processor. When we differentiate primary and secondary memory, Primary memory is both volatile & nonvolatile whereas Secondary memory is always a non-volatile memory.
Which best describes the difference between primary and secondary storage?
Primary storage refers to the main storage of the computer or main memory which is the random access memory or RAM. Secondary storage, on the other hand, refers to the external storage devices used to store data on a long-term basis.
What is the main difference between primary and secondary memory in a computer system group of answer choices?
The key difference between primary and secondary memory is that primary memory can be directly accessed by the CPU whereas, the CPU can not directly access the secondary memory. The primary memory of the computer is also known as the main memory of the computer. However, secondary memory is known as auxiliary memory.
What is use of main memory in program execution?
When the CPU executes a program, that program is stored in the computer’s main memory (also called the RAM or random access memory). In addition to the program, memory can also hold data that is being used or processed by the program. Main memory consists of a sequence of locations.
What is the difference between primary memory and main memory?
Computer memory is categorized into primary and secondary memory. While primary memory is the main memory of the computer which is used to store data or information temporarily, whereas secondary memory refers to external storage devices that are used to store data or information permanently.
Is hard disk a primary memory?
Primary memory usually refers to Random Access Memory (RAM), while secondary storage refers to devices such as hard disk drives, solid state drives, removable “USB” drives, CDs, and DVDs.
Is SSD primary or secondary storage?
A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies to store data persistently, typically using flash memory, and functioning as secondary storage in the hierarchy of computer storage.
Why is main memory faster than secondary memory?
Primary memory is directly accessed by the Central Processing Unit(CPU). RAM provides a much faster-accessing speed to data than secondary memory. By loading software programs and required files into primary memory(RAM), computers can process data much more quickly. Secondary Memory is slower in data accessing.
Which memory is considered as working memory of CPU?
Random access memory (RAM)
Random access memory (RAM) is used as the working memory of a computer system. It stores input data, intermediate results, programs, and other information temporarily. It can be read and/or written. It is usually volatile, which means that all data will be lost when the power is turned off.
How a program is executed in C?
Execution Flow The preprocessor generates an expanded source code. 2) Expanded source code is sent to compiler which compiles the code and converts it into assembly code. 3) The assembly code is sent to assembler which assembles the code and converts it into object code.
Where a program is stored and executed in C?
Main memory or RAM is used to store the program while it is executing and to store the data that the program is working with.
How does a C program run on memory?
A C program does NOT run on memory, either main or secondary. C programs are converted into machine instructions by a compiler and the machine instructions run in a CPU. The variables such programs operate on are in registers within the CPU.
What is the memory layout of a running process?
A typical memory layout of a running process. 1. Text Segment: A text segment , also known as a code segment or simply as text, is one of the sections of a program in an object file or in memory, which contains executable instructions.
What is memory layout in C programming?
Memory Layout of C Programs. Each time a function is called, the address of where to return to and certain information about the caller’s environment, such as some of the machine registers, are saved on the stack. The newly called function then allocates room on the stack for its automatic and temporary variables.
Which memory is directly accessible to the CPU?
Primary / Main memory: Primary memory is the computer memory that is directly accessible by CPU. It is comprised of DRAM and provides the actual working space to the processor. It holds the data and instructions that the processor is currently working on.