What is the difference between a command and a statement?
A command is what other languages call a function, routine or reserved word, and can be defined by the “proc” command or in C or whatever. A statement is an invocation of a command. Using traditional definitions, a statement in Tcl is a command followed by zero or more arguments.
What is command in GW-BASIC?
The GW-BASIC command-line environment has commands to RUN , LOAD , SAVE , LIST the current program, or quit to the operating SYSTEM ; these commands can also be used as program statements. There is little support for structured programming in GW-BASIC.
What is the difference between command and syntax?
In the computer world, the syntax of a command refers to the rules in which the command must be run in order for a piece of software to understand it. For example, a command’s syntax may dictate case-sensitivity and what kinds of options are available that make the command operate in different ways.
How many modes are there in GW-BASIC?
two modes
Ans: GW-BASIC can operate in two modes i.e., Direct Mode and Indirect Mode. Direct Mode: When GW-BASIC is loaded, it shows Ok message indicating the direct mode. Commands are executed as typed. It is useful for quick response.
What is the difference between SQL statement and SQL command?
A statement is any SQL command such as SELECT, INSERT, UPDATE, DELETE. A query is a synonym for a SELECT statement. Show activity on this post. Expressions, which can produce either scalar values or tables consisting of columns and rows of data.
What are the BASIC command?
BASIC Commands
- Statements. There were fifteen statement types in the original BASIC.
- Arithmetic Expressions. Besides the four standard arithmetic operations, BASIC includes raising-to-the-power, the symbol of which is “^”.
- Variables.
- Arrays.
- PRINT Statements.
- Defined Functions.
- Example Programs.
- Commands.
Can a command be a statement?
Questions, commands and advice are typically not statements, because they do not express something that is either true or false. But sometimes people use them rhetorically to express statements.
What is Draw statement?
The DRAW statement combines most of the capabilities of the other graphics statements into an object definition language called Graphics Macro Language (GML). A GML command is a single character within a string, optionally followed by one or more arguments. The DRAW statement is valid only in graphics mode.
What is screen statement used for?
The SCREEN statement is chiefly used to select a screen mode appropriate for a particular display-hardware configuration. Supported hardware configurations and screen modes are described below.
What is BASIC statement?
Any statement of fact is true or false in virtue of some existing state of affairs in the world.
What is BASIC statement in computer?
In computer programming, a statement is a syntactic unit of an imperative programming language that expresses some action to be carried out. A program written in such a language is formed by a sequence of one or more statements. A statement may have internal components (e.g., expressions).
What is an example of statement?
I would thus say something false if I said “I like bananas because they have no bones.” That’s why “I like bananas because they have no bones” is a statement. It is the kind of sentence that is either true or false – in this case false.