10th Class Computer Science Chapter 2 Programming in C Short Questions Answer
Explore the world of programming through the 10th Class Computer Science Chapter 2 Programming in C Short Questions Answer. This chapter acts as an entry point for students to learn the basics of the C programming language, establishing a strong base for their computer science education. Within this extensive guide, students will find clear and informative responses to short questions, which will enhance their comprehension of essential programming principles. By utilizing this valuable resource, aspiring computer scientists can enhance their understanding of programming in C, guaranteeing success in their academic pursuits and cultivating a greater admiration for the field of computer science.
Computer Chapter 2 Class 10 Notes
Gain a comprehensive understanding of important concepts by accessing the Class 10 Computer Science Chapter 2 notes. These notes offer concise explanations of the fundamentals, helping students comprehend computer-related subjects. Whether studying for exams or reinforcing classroom lessons, these notes are a valuable tool that ensures clarity and confidence when navigating the intricacies of Computer Science in Class 10.
10th Class Computer Science Chapter 2 Programming in C Short Questions Answer
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Here we are providing complete chapter wise Computer Science questions and Answers for the 10th class students. All the visitors can prepare for their 10th class examination by attempting below given question answers.
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- Lahore Board 10th Class Computer Science Chapter 2 Programming in C short questions Answer
- Rawalpindi Board 10th Class Computer Science Chapter 2 Programming in C short questions Answer
- Gujranwala Board 10th Class Computer Science Chapter 2 Programming in C short questions Answer
- Multan Board 10th Class Computer Science Chapter 2 Programming in C short questions Answer
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When GW-BASIC is loaded it is the direct mode of BASIC It displays OK message or OK prompt In direct mode GW-BASIC commands are executed as they are typed Results of arithmetic and logical 9operations can be displayed but the commands themselves are lost after execution This mode is useful for debugging and for quick computations.
GW-BASIC can operate in two modes i.e.
1. Direct Mode and
2. Indirect Mode
When GW-BASIC is load it shows OK message it is the direct mode of BASIC
Indirect ode is started as a new programming file It does not display OK message GW Basic commands do not excite as they typed They are executed by typing RUN command.
Commands:
1. Commands are execute-able instructions which are operated in the direct mode
2. They do not require a proceeding line number
1. It was invented as an instructional tool to teach fundament programming concepts
2. It was developed to address the complexity issues of older language
3. It provides a simple and easy to use environment
Direct Mode:
1. When GW-BASIC is loaded it is the direct mode of BASIC
2. It displays OK message
3. In direct mode GW-BASIC commands are executed as they are typed
4. Results of arithmetic and logical operations can be displayed quickly
5. The commands are lost after execution
GW-BASIC provides an Editor to write a program it is not only an Editor but a complete Integrated Development Environment which is shortly known as IDE in an IDE we can
1. Write a program
2. Edit save load a program and
3. Execute BASIC program
The BASIC language was developed by John Kemeny and Thomas Kurtz in 1963 at Dartmouth College USA.
Commands: GW-BASIC commands are executable instructions which are operated in the direct mode they do not require preceding line number.
BASIC is a high level programming language it is abbreviation of Beginner’s All-purpose Symbol Instruction Code It was developed by John kemeny and Thomas Kurtz in 1963 at Dartmouth College USA GW-BASIC is an interpreter for BASIC language.
Loading the program refers to bring to into memory from secondary storage device such as hard disk so that it can be used A saved program can be loaded by using F3 key or typing LOAD command.
GW-BASIC provides an IDE Integrated Development Environment where we can write edit save load and execute BASIC program.
In IDE we can write edit load and execute BASIC program.
Character set of language defines all characters which are valid to use in program written in that language.The character set of GW-BASIC comprises of alphabet numeric and some special characters.
A quantity that might change its value during execution of a program is called variable Variables are therefore named memory locations memory cells which are used to store programs input data and its computational results during program execution.
Every BASIC program has a specific structure it should follow the following rules
1. Every BASIC program statement must begin with a line number
2. It is good practice to end every BASIC program with an END statement
3. Repetition of line numbers within a program is not allowed
4. Two or more statements can be written on a line number but they must be separated by a colon
5. Variables can be used in a program without declaration
Following are three short cut keys used in Basic
1. F2 key is used to execute a program
2. F3 key is used to display contents of a program
3. F4 key is used to save a program file
Reserved words or keywords are the special words which have predefined meanings in BASIC These reserved words or keywords cannot be used as variable names or for any other purpose Some of the keywords of BASIC are PRINT, INPUT, END. LET. IF. ELSE. THEN. WHILE. etc
In GW-BASIC type declaration characters represent the type variable following type declaration characters are recognized in GW-BASIC.
Every BASIC program should follow the following rules
1. Every program statement must begin with a line number
2. Repetition of line numbers within a program is not allowed
Numeric variables can store numeric values numeric values include both floating point numbers and whole numbers GW-BASIC considers it as single-precision Single precision variables can accurately handle numbers up to six significant digits however it cannot handle seventh significant digit accurately If more accuracy is desired we should rather use double precision.
A string constant is a sequence of alphanumeric characters enclosed in double quotation marks The maximum length of a string is 255 characters for example LAHORE 4500 etc.
CONSTANTS: Constant is a quantity whose value cannot be change. The value stored in constant cannot be changed during program execution
CLS command is used to clear the screen.
STOP Statement: This statement is used to terminate programed execution programed execution temporarily and return to command level
Syntax: STOP.
In BASIC KILL command is used to remove delete a file from the disk. The syntax of KILL command is as followed.
Name command is used to rename a file
Syntax: Name old file name as new filename
In BASIC Language DELETE command is used to delete program lines or line range of loaded program whereas KILL command is used to remove delete a file from the disk.
Numeric constant are integer consists on one word or two word digits in numeric constant there’s no fraction For example etc. It may be measure able.
This statement causes the Data statement to be reused if ti has already been used by the READ statement
1. Syntax: RESTORE Line number
2. Example: 10 READ
3. 20 RESTORE
4. 30 PRINT A,B,C
5. 50 PRINT
