RD THIS IS COURSE CORSWT. IT IS DESIGNED TO TEACH INSTRUCTORS 00000100 HOW TO WRITE COURSES FOR THE TELETYPE. THIS INVOLVES 00000200 LEARNING HOW TO USE THE COMPUTER PROGRAM TEACHER/DU WHICH 00000300 IS A PRELIMINARY VERSION OF THE COURSWRITER PROGRAM 00000400 DEVELOPED BY IBM. YOU WILL NEED NO KNOWLEDGE OF COMPUTER 00000500 PROGRAMING TO USE TEACHER/DU. 00000600 00000700 PLEASE READ ASSIGNMENT 1. WHEN YOU ARE FINISHED, TYPE A 00000800 LEFT-POINTING ARROW. 00000900 QU EVERY COURSE SHOULD CARRY A UNIQUE COURSE NAME BEGINNING 00001000 WITH A LETTER AND CONSISTING OF NOT MORE THAN SEVEN 00001100 CHARACTERS. 00001200 WHAT IS THE NAME OF THIS COURSE. 00001300 CA CORSWT 00001400 TY YOU ARE VERY OBSERVANT. 00001500 UN GUESS AGAIN 00001600 UN COME ON ... 00001700 UN YOU ARE JUST GIVING ME A BAD TIME. TRY READING THE FIRST 00001800 LINE OF THIS COURSE. 00001900 QU HOW MANY CHARACTERS DOES IT HAVE. 00002000 CA 6 00002100 CB SIX 00002200 TY CORRECT. 00002300 WA 5 00002400 WB FIVE 00002500 WB 7 00002600 WB SEVEN 00002700 TY TRY COUNTING ON YOUR FINGERS. 00002800 UN TRY 6 00002900 QU EACH INSTRUCTION CONSISTS OF ONE OR MORE "OPERATIONS" WHICH 00003000 MUST BE USED IN A LOGICAL SEQUENCE TO PRODUCE MEANINGFUL 00003100 PROGRAMMED INSTRUCTION. EACH OPERATION MUST BE PRECEDED BY 00003200 AN "OPERATION CODE" WHICH APPEARS AS TWO LETTERS IN THE LEFT 00003300 HAND COLUMN OF THE COURSE PREPARATION FORM. 00003400 LOOK AT THE COURSE PREPARATION FORM WHICH MAY BE FOUND AT 00003500 THE END OF THE READING ASSIGNMENTS. 00003600 DO YOU SEE WHERE THE OPERATION CODES GO. 00003700 CA YES 00003800 UN LOOK AGAIN 00003900 UN ASK SOMEONE TO SHOW YOU SOMETIME. YOU MUST TYPE "YES" TO 00004000 CONTINUE THIS COURSE. 00004100 RD THERE ARE 10 OPERATIONS AVAILABLE TO THE INSTRUCTOR. READ 00004200 ASSIGNMENT 2 FOR BRIEF DESCRIPTIONS OF TWO OF THEM. TYPE A 00004300 LEFT-POINTING ARROW WHEN YOU ARE FINISHED. 00004400 QU 00004500 "RD" AND "QU" ARE TWO EXAMPLES OF AN ... 00004600 CA OPERATION CODE 00004700 TY VERY GOOD. NOTICE THAT THEY EACH HAVE 2 CHARACTERS. 00004800 UN NO, TRY AGAIN. 00004900 UN NO. HINT: THE ANSWER IS TWO WORDS. 00005000 UN IF YOU GIVE UP TYPE "HELP". 00005100 QU 00005200 THE FIRST OPERATION OF EVERY COURSE MUST BE EITHER RD OR QU. 00005300 WHICH OF THESE OPERATIONS DO YOU THINK THIS COURSE STARTED 00005400 WITH. 00005500 CA RD 00005600 TY YES. 00005700 WA QU 00005800 TY NO. 00005900 UN PLEASE TYPE EITHER QU OR RD. 00006000 RD EVERY QU (QUESTION) MUST BE IMMEDIATLY FOLLOWED BY ONE OR 00006100 MORE CORRECT ANSWERS. READ ASSIGNMENT 3 FOR DESCRIPTIONS OF 00006200 THE TWO OPERATIONS USED BY THE INSTRUCTOR FOR THIS PURPOSE. 00006300 WHEN YOU HAVE FINISHED, TYPE A LEFT-POINTING ARROW. 00006400 QU HERE IS AN EXAMPLE OF A QUESTION FOLLOWED BY SOME POSSIBLE 00006500 CORRECT ANSWERS: 00006600 00006700 00006800 QU WHO DISCOVERED AMERICA. 00006900 CA CHRISTOPHER COLUMBUS 00007000 CB COLUMBUS 00007100 CB LEIF ERIKSON 00007200 CB ERIKSON 00007300 CB AMERIGO VESPUCCI 00007400 CB VESPUCCI 00007500 00007600 00007700 THE STUDENT, OF COURSE, WOULD NOT SEE THE OPERATION CODES OR 00007800 ANY OF THE CA-CB GROUP. IT WOULD APPEAR TO THE STUDENT AS 00007900 FOLLOWS. 00008000 00008100 00008200 WHO DISCOVERED AMERICA. 00008300 CA CHRISTOPHER COLUMBUS 00008400 CB COLUMBUS 00008500 CB LEIF ERIKSON 00008600 CB ERIKSON 00008700 CB AMERIGO VESPUCCI 00008800 CB VESPUCCI 00008900 UN PLEASE TYPE A CORRECT ANSWER. 00009000 QU 00009100 00009200 THERE MAY BE AS MANY CA-CB GROUPS AS DESIRED, EACH WITH ITS 00009300 OWN SUBSEQUENT OPERATION. ONE SUBSEQUENT OPERATION WHICH 00009400 IS OFTEN USED IS TY: 00009500 00009600 00009700 TY - TYPES TEXT IF PRIOR CONDITIONS HAVE BEEN MET. 00009800 00009900 00010000 A TY MAY COME AFTER ANY CA-CB SET. OFTEN, A TY WILL COME 00010100 AFTER EACH CA-CB SET BUT THIS IS NOT A REQUIREMENT. 00010200 WOULD YOU LIKE TO SEE AN EXAMPLE ILLUSTRATING THE OPERATIONS 00010300 DISCUSSED SO FAR. 00010400 CA NO 00010500 CB NOPE 00010600 TY OK. WE WILL SKIP THE EXAMPLE. 00010700 BR EXSKIP 0000002400010800 CA YES 00010900 CB YA 00011000 CB OK 00011100 CB OK. 00011200 UN PLEASE TYPE YES OR NO. 00011300 QU FOLLOWING IS A PORTION OF A TYPICAL COURSE: 00011400 00011500 00011600 QU WHAT IS 3+2. 00011700 CA 5 00011800 CB FIVE 00011900 TY THAT IS RIGHT. 00012000 00012100 00012200 THUS, IF THE STUDENT RESPONDS TO THE QUESTION WITH EITHER 5 00012300 OR FIVE, THE MESSAGE "THAT IS RIGHT" WILL BE TYPED OUT BY 00012400 THE TELETYPE. THIS IS HOW IT WOULD APPEAR TO THE STUDENT. 00012500 00012600 00012700 WHAT IS 3+2. 00012800 CA 5 00012900 CB FIVE 00013000 TY THAT IS RIGHT. 00013100 UN PLEASE TYPE EITHER 5 OR FIVE. 00013200 LA EXSKIP 00013300 RD 00013400 00013500 WHAT ABOUT WRONG ANSWERS. READ ASSIGNMENT 4 AND WHEN YOU 00013600 HAVE FINISHED, TYPE A LEFT-POINTING ARROW. 00013700 QU 00013800 CONSIDER THE FOLLOWING COURSE SEGMENT: 00013900 00014000 00014100 QU 9+8 = 00014200 CA 17 00014300 CB SEVENTEEN 00014400 TY GOOD 00014500 WA 16 00014600 WB 15 00014700 TY THAT IS TOO SMALL. TRY AGAIN. 00014800 WA 18 00014900 WB 19 00015000 TY THAT IS TOO LARGE. TRY AGAIN. 00015100 UN GUESS AGAIN 00015200 UN TRY COUNTING ON YOUR FINGERS. 00015300 00015400 00015500 THIS SAME SEQUENCE OF OPERATIONS WILL NOW BE GIVEN TO YOU AS 00015600 THE STUDENT WOULD SEE THEM. STUDY THE ABOVE SEQUENCE OF 00015700 OPERATIONS AS YOU ANSWER THE QUESTIONS. DO ALL THE 00015800 EXPERIMENTING YOU WANT. 00015900 00016000 00016100 9+8 = 00016200 CA 17 00016300 CB SEVENTEEN 00016400 TY GOOD 00016500 WA 16 00016600 WB 15 00016700 TY THAT IS TOO SMALL. TRY AGAIN. 00016800 WA 18 00016900 WB 19 00017000 TY THAT IS TOO LARGE. TRY AGAIN. 00017100 UN GUESS AGAIN 00017200 UN TRY COUNTING ON YOUR FINGERS 00017300 QU 00017400 00017500 WOULD YOU LIKE TO TRY THAT SAME SEQUENCE OF INSTRUCTIONS 00017600 AGAIN. 00017700 CA YES 00017800 CB OK 00017900 CA NO 00018000 BR DUNN 0000003>00018100 UN PLEASE TYPE YES OR NO. 00018200 LA TYEX 00018300 QU 00018400 00018500 9+8 = 00018600 CA 17 00018700 CB SEVENTEEN 00018800 TY GOOD 00018900 WA 16 00019000 WB 15 00019100 TY THAT IS TOO SMALL. TRY AGAIN. 00019200 WA 18 00019300 WB 19 00019400 TY THAT IS TOO LARGE. TRY AGAIN. 00019500 UN GUESS AGAIN 00019600 UN TRY COUNTING ON YOUR FINGERS 00019700 QU 00019800 00019900 WOULD YOU LIKE TO TRY THAT SAME SEQUENCE OF INSTRUCTIONS 00020000 AGAIN. 00020100 CA NO 00020200 CA YES 00020300 CB OK 00020400 BR TYEX 0000002W00020500 UN PLEASE TYPE YES OR NO. 00020600 LA DUNN 00020700 QU 00020800 00020900 THE ABOVE EXAMPLE COULD HAVE BEEN SHORTENED BY NOT USING AS 00021000 MANY OPERATIONS AFTER THE QU. IN FACT, THE ONLY REQUIREMENT 00021100 PERTAINING TO THE NUMBER OF OPERATIONS FOLLOWING A QU IS 00021200 THAT THERE MUST BE AT LEAST ONE CA AND ONE UN. THUS, THE 00021300 SAME QUESTION COULD HAVE BEEN WRITTEN AS 00021400 00021500 00021600 QU 9+8 = 00021700 CA 17 00021800 UN GUESS AGAIN 00021900 00022000 00022100 YOU NOW HAVE ALL OF THE NECESSARY OPERATIONS FOR 00022200 CONSTRUCTING A "LINEAR PROGRAM". THAT IS, YOU CAN USE THE 00022300 ABOVE OPERATIONS FOR WRITING COURSES IN WHICH EACH STEP IS 00022400 ENCOUNTERED SEQUENTIALLY BY EVERY STUDENT. 00022500 IT IS SOMETIMES DESIRABLE TO "BRANCH" THE STUDENT FROM ONE 00022600 PART OF THE COURSE TO ANOTHER. FOR EXAMPLE, JUST A FEW 00022700 LINES UP YOU WERE ASKED THE QUESTION "WOULD YOU LIKE TO TRY 00022800 THAT SAME SEQUENCE OF INSTRUCTIONS AGAIN". WHAT WAS YOUR 00022900 RESPONSE. 00023000 CA YES 00023100 TY SINCE YOUR RESPONSE WAS YES, YOU WERE AUTOMATICALLY 00023200 "BRANCHED" TO AN EARLIER POINT IN THE COURSE WHERE THAT 00023300 PARTICULAR SEQUENCE OF INSTRUCTIONS BEGINS. 00023400 CA NO 00023500 TY SINCE YOUR RESPONSE WAS NO, YOU WERE NOT BRANCHED. IF YOU 00023600 HAD RESPONDED WITH A YES, HOWEVER, YOU WOULD HAVE BEEN 00023700 AUTOMATICALLY "BRANCHED" TO AN EARLIER POINT IN THE COURSE 00023800 WHERE THAT PARTICULAR SEQUENCE OF INSTRUCTIONS BEGINS. 00023900 UN PLEASE SAY YES OR NO. 00024000 RD READ ASSIGNMENT 5. WHEN YOU ARE FINISHED, TYPE A 00024100 LEFT-POINTING ARROW. 00024200 QU WOULD YOU LIKE TO SEE AN EXAMPLE USING THE BR AND LA 00024300 OPERATIONS. 00024400 CA YES 00024500 WA NO 00024600 TY OK. WE WILL SKIP THE EXAMPLE THRU THE USE OF A BR AND AN LA 00024700 AT A LATER POINT IN THIS COURSE. 00024800 00024900 BECAUSE OF CHARACTER SET RESTRICTIONS, SOME OF THE 00025000 CHARACTERS ON THE TELETYPE KEYBOARD CANNOT BE USED IN 00025100 COURSES. 00025200 FOLLOWING ARE THE CHARACTERS AVAILABLE FOR COURSES: 00025300 ABCDEFGHIJKLMNOPQRSTUVWXYZ 00025400 0123456789 00025500 .[(&$*);-/,%=]#@:+| 00025600 00025700 THIS IS THE END OF CORSWT. PLEASE READ ASSIGNMENT 6 AFTER 00025800 LOGGING-OUT. 00025900 BR SKIPBRLA 0000004Z00026000 UN PLEASE SAY YES OR NO. 00026100 RD CONSIDER THE FOLLOWING COURSE SEGMENT AS AN EXAMPLE. 00026200 00026300 00026400 LA ADD 00026500 QU WHAT IS 4+3. 00026600 CA 7 00026700 TY VERY GOOD. 00026800 UN TRY AGAIN 00026900 QU WHAT IS 17+28. 00027000 CA 45 00027100 TY VERY GOOD 00027200 UN TRY AGAIN. 00027300 UN NO. YOU HAVE ONE MORE CHANCE. 00027400 UN NO. YOU WILL BE SENT BACK FOR REVIEW. 00027500 BR ADD 00027600 00027700 00027800 THIS COURSE SEGMENT WILL BE PRESENTED TO YOU AS IT WOULD 00027900 APPEAR TO THE STUDENT. READ IT OVER AND WHEN YOU ARE READY, 00028000 PRESS THE LEFT-POINTING ARROW. 00028100 00028200 00028300 LA ADD 00028400 QU WHAT IS 4+3. 00028500 CA 7 00028600 TY VERY GOOD. 00028700 UN TRY AGAIN. 00028800 QU WHAT IS 17+28. 00028900 CA 45 00029000 TY VERY GOOD. 00029100 UN TRY AGAIN. 00029200 UN NO. YOU HAVE ONE MORE CHANCE. 00029300 UN NO. YOU WILL BE SENT BACK FOR REVIEW. 00029400 BR ADD 0000004[00029500 QU 00029600 00029700 WOULD YOU LIKE TO TRY THAT EXAMPLE AGAIN. 00029800 CA YES 00029900 CB OK 00030000 BR ADD 0000004[00030100 CA NO 00030200 TY OK. 00030300 BECAUSE OF CHARACTER SET RESTRICTIONS, SOME OF THE 00030400 CHARACTERS ON THE TELETYPE KEYBOARD CANNOT BE USED IN 00030500 COURSES. 00030600 FOLLOWING ARE THE CHARACTERS AVAILABLE FOR COURSES: 00030700 ABCDEFGHIJKLMNOPQRSTUVWXYZ 00030800 0123456789 00030900 .[(&$*);-/,%=]#@:+| 00031000 THIS IS THE END OF CORSWT. PLEASE READ ASSIGNMENT 6 AFTER 00031100 LOGGING-OUT. 00031200 UN PLEASE TYPE YES OR NO. 00031300 LA SKIPBRLA 00031400 99 00031500