Programming Languages

The HTML tag used to underline text is the <u> tag. This tag encloses the text you want to underline, for example: <u>underlined text</u>. While the <u> tag was deprecated in HTML 4, it was reintroduced in HTML5 with a semantic meaning related to non-textual annotations. However, it still renders text with an underline by default in all modern browsers. The <underline> tag is not a valid HTML tag, and option B is invalid. Therefore, the correct answer is C.

HTML stands for Hypertext Markup Language, which is the standard language used to create and design web pages. This is a well-known and established fact in computer science.

The correct HTML tag to underline text is <u>. Since none of the given options (B, C, D) represent the <u> tag, the correct answer is 'None of these'.

PHP originally stood for 'Personal Home Page', but it now stands for 'PHP: Hypertext Preprocessor', which is a recursive acronym. This is the correct and current meaning of PHP in programming.

Web pages are primarily written using Hypertext Markup Language (HTML), which structures the content on the web. The other options do not represent languages used for writing web page code.

HTML stands for Hypertext Markup Language, which is the standard language used to create and design webpages by structuring content and hyperlinks.

HTML header tags range from <h1> to <h6>. By default, <h1> is the largest header and <h6> is the smallest. Among the given options (H1, H2, H3, H4), H4 is the smallest header tag by default. The question asks for the smallest header among the options provided, so the correct answer is H4.

HTML (HyperText Markup Language) is the fundamental language used to create and structure web pages, making option C the correct answer.

A computer program is written in a programming language that is understood by programmers and then translated into machine code that a computer can understand. Therefore, both statements A and B are valid.

John McCarthy developed LISP in 1958 at MIT specifically for artificial intelligence research, making him the correct answer. The other options are notable computer scientists but not related to LISP's creation.

Dennis Ritchie developed the C programming language in 1972 at Bell Labs, making option B the correct answer. The other options are notable figures in computing but unrelated to the creation of C.

Guido van Rossum created the Python programming language and released it in 1991. The other options are creators of different programming languages: James Gosling (Java), Dennis Ritchie (C), and Bjarne Stroustrup (C++).

An interpreter translates and executes a program one instruction at a time into machine language, unlike a compiler which translates the entire program at once. Therefore, the correct answer is Interpreter.

Grace Hopper was a pioneering computer scientist who played a key role in developing COBOL in 1959, making her the correct answer. The other options are notable computer scientists but were not involved in COBOL's creation.

Niklaus Wirth created the Pascal programming language in the late 1960s and early 1970s. The other options are creators of different programming languages: John Backus developed Fortran, and Dennis Ritchie developed C.

James Gosling is credited with creating the Java programming language in 1995 while working at Sun Microsystems. The other options are creators of different technologies: Guido van Rossum created Python, Ken Thompson co-created Unix, and Tim Berners-Lee invented the World Wide Web.

Grace Hopper developed the first compiler, which translated symbolic mathematical code into machine-readable instructions, pioneering programming language development.

Bjarne Stroustrup developed C++ in 1979 at Bell Labs as an extension of the C programming language, adding object-oriented features. The other options are notable computer scientists but not related to C++ development.

A compiler is a system program that translates instructions written in a high-level programming language into machine language that the computer's processor can execute directly. This matches option A.

A compiler translates the entire high-level program into low-level machine code in one go, unlike an assembler which translates assembly language, or other tools that do not perform this function.

Assembly language uses symbolic codes called mnemonics (like ADD or MOV) that are more human-readable than binary machine code. This distinguishes it from machine language, high-level languages, and scripting languages.

FORTRAN, COBOL, and BASIC are all examples of procedural programming languages, as they follow a sequence of instructions and procedures. They are not object-oriented languages.

Writing the software program is commonly referred to as coding, which involves creating the source code in a programming language. Prototyping, looping, and compiling are different stages or concepts in software development but do not directly mean writing the program.

A source program is typically written in a high-level programming language, which is more abstract and easier for humans to understand compared to symbolic or machine languages. English is not a programming language, so 'High level' is the correct answer.

Machine language consists of binary code that is directly executed by a computer's CPU. It is difficult to program and error-prone because it is low-level and not human-readable, unlike high-level languages which are easier to understand and write.