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2. Computer programming in the punched card era - Wikipedia

   en.wikipedia.org/wiki/Computer_programming_in...

   A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...

3. Computer programming - Wikipedia

   en.wikipedia.org/wiki/Computer_programming

   Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [ 1][ 2] It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages. Programmers typically use high-level programming ...

4. Don't repeat yourself - Wikipedia

   en.wikipedia.org/wiki/Don't_repeat_yourself

   Don't repeat yourself. " Don't repeat yourself " ( DRY) is a principle of software development aimed at reducing repetition of information which is likely to change, replacing it with abstractions that are less likely to change, or using data normalization which avoids redundancy in the first place. The DRY principle is stated as "Every piece ...

5. Keystroke programming - Wikipedia

   en.wikipedia.org/wiki/Keystroke_programming

   The code for this alternate function is derived from that of the original key function by adding 5 to the units digit (without carry to the tens digit). Thus, the key codes corresponding to the position of the 2nd key itself (21 and 26) are never used as opcodes. Here is the table of the codes produced with the 2nd prefix:

6. History of programming languages - Wikipedia

   en.wikipedia.org/wiki/History_of_programming...

   The first functioning programming languages designed to communicate instructions to a computer were written in the early 1950s. John Mauchly 's Short Code, proposed in 1949, was one of the first high-level languages ever developed for an electronic computer. [ 8] Unlike machine code, Short Code statements represented mathematical expressions in ...

7. Programmer - Wikipedia

   en.wikipedia.org/wiki/Programmer

   A programmer, computer programmer or coder is an author of computer source code – someone with skill in computer programming . The professional titles software developer and software engineer are used for jobs that require a programmer. Generally, a programmer writes code in a computer language and with an intent to build software that ...

8. Branch (computer science) - Wikipedia

   en.wikipedia.org/wiki/Branch_(computer_science)

   v. t. e. A branch, jump or transfer is an instruction in a computer program that can cause a computer to begin executing a different instruction sequence and thus deviate from its default behavior of executing instructions in order. [ a] Branch (or branching, branched) may also refer to the act of switching execution to a different instruction ...

9. Structured programming - Wikipedia

   en.wikipedia.org/wiki/Structured_programming

   Structured programming is a programming paradigm aimed at improving the clarity, quality, and development time of a computer program by making extensive use of the structured control flow constructs of selection ( if/then/else) and repetition ( while and for ), block structures, and subroutines . It emerged in the late 1950s with the appearance ...