Concepts of Programming Languages

60 Chapter 2 Evolution of the Major Programming Languages One of the overriding concerns at the meeting was that steps to create ...

survived without that mandate. The poor performance of the early compilers simply made the language too expensive to use. Eventu ...

62 Chapter 2 Evolution of the Major Programming Languages 02 RL-ITEM-NO PICTURE IS Z(5). 02 FILLER PICTURE IS X(5). 02 RL-ITEM-D ...

MOVE BAL-ITEM-NO TO RL-ITEM-NO. MOVE BAL-ITEM-DESC TO RL-ITEM-DESC. MOVE BAL-UNIT-PRICE TO RL-UNIT-PRICE. MOVE AVAILABLE-STOCK T ...

64 Chapter 2 Evolution of the Major Programming Languages It must allow free and private access. It must consider user time mor ...

portions of their largest operating system for the PDP-11 minicomputers, RSTS, in the 1970s. BASIC has been criticized for the p ...

interview User Design and Language Design ALAN COOPER Best-selling author of About Face: The Essentials of User Interface Design ...

How did you get from writing a shell program to collabo- rating with Microsoft? Tripod and Ruby are the same thing. After I sign ...

68 Chapter 2 Evolution of the Major Programming Languages 2.8 Everything for Everybody: PL/I PL/I represents the first large-sca ...

2.8.2 Design Process The design effort began when IBM and SHARE formed the Advanced Lan- guage Development Committee of the SHAR ...

70 Chapter 2 Evolution of the Major Programming Languages Subprograms were allowed to be used recursively, but the capability c ...

DO; / READ INPUT DATA INTO AN ARRAY AND COMPUTE THE SUM / DO COUNTER = 1 TO LISTLEN; GET LIST (INTLIST (COUNTER)); SUM = SUM + I ...

72 Chapter 2 Evolution of the Major Programming Languages APL was first described in the book from which it gets its name, A Pro ...

As soon as the SIMULA I implementation was completed, Nygaard and Dahl began efforts to extend the language by adding new featur ...

74 Chapter 2 Evolution of the Major Programming Languages 2.11.2 Language Overview One important result of orthogonality in ALGO ...

ALGOL 68. Implementation was a difficult problem for both, but PL/I had the resources of IBM to apply to building a compiler. AL ...

76 Chapter 2 Evolution of the Major Programming Languages 2.12.1.2 Evaluation The largest impact of Pascal was on the teaching o ...

{ Compute the average } average := sum / listlen; { Count the number of input values that are > average } for counter := 1 to ...

78 Chapter 2 Evolution of the Major Programming Languages and switch statements, in its assigning operators, and in its treatmen ...

/* Compute the average */ average = sum / listlen; /* Count the input values that are > average */ for (counter = 0; counter ...