What is assembler directive?
Assembler directives supply data to the program and control the assembly process. Assembler directives enable you to do the following: Assemble code and data into specified sections. Reserve space in memory for uninitialized variables.
What do you mean by assembler directives explain any two?
Assembler directives are instructions that direct the assembler to do something. This is used to set the program or register address during assembly. For example, ORG 0100h tells the assembler to assemble all subsequent code starting at address 0100h. DS. Defines an amount of free space.
What is assembler directives explain any five assembler directives?
Assembler directives supply data to the program and control the assembly process. Assemble code and data into specified sections. Reserve space in memory for uninitialized variables. Control the appearance of listings. Initialize memory.
What are the types of assembler directives?
In this article we divide directives into five types:
- Control Directives: – INCLUDE Include an additional file in a program.
- Data Directives: – DB Defining one byte data.
- Object File Directives: – PROCESSOR.
- macro directives:
What is the purpose of the origin directive?
Discussion Forum
| Que. | The purpose of the ORIGIN directive is, |
|---|---|
| b. | To indicate the starting of the computation code |
| c. | To indicate the purpose of the code |
| d. | To list the locations of all the registers used |
| Answer:To indicate the starting position in memory, where the program block is to be stored |
What is hardware and example?
Hardware refers to the physical elements of a computer. Also referred to as the machinery or the equipment of the computer. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the processing unit However, most of a computer’s hardware cannot be seen; It’s inside the computer case.
What is hardware and software explain?
Hardware is a physical parts computer that cause processing of data. Software is a set of instruction that tells a computer exactly what to do. It is manufactured. It is developed and engineered. Hardware can not perform any task without software.
What is called software?
Software, instructions that tell a computer what to do. Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system. A set of instructions that directs a computer’s hardware to perform a task is called a program, or software program.
What is called hardware?
Hardware refers to the physical elements of a computer. This is also sometime called the machinery or the equipment of the computer. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit. In contrast to software, hardware is a physical entity.
Why is it called hardware?
From EtymologyOnline: mid-15c., “small metal goods,” from hard + ware (n.). In the sense of “physical components of a computer” it dates from 1947. Hardware store attested by 1789.
How many types of hardware are there?
Hardware devices can be classified into four distinct categories: Input devices: For raw data input. Processing devices: To process raw data instructions into information. Output devices: To disseminate data and information.