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Question 1. What is the result, if any, of executing the following code? DCL A BIT(1) INIT('0'B); DCL B BIT(1) INIT('0'B); DCL C BIT(1) lNlT('1'B); A = B ! C; A. The value of A is '0'B B. The value of A is'1'B. C. The value of A is unpredictable. D. There is no result, because the syntax is wrong. Answer: B Question 2. What does BX.WOK.LOAD refer to in the following job control statement? I/ACCOUNT DD DSN=BX.WOK.LOAD,DISP=SHR A. It is the connection between program and dataset. B. It is the physical dataset name. C. It is the logical dataset name. D. It is the name which must be referred to in the program. Answer: B Question 3. What will be printed when the following subroutine is called for the third time? A: PROC; DCLX PlC '9' INIT(O); X = X+ 1; PUT SKIP LIST ('THE VALUE OF X IS :'!!X); X = X+ 1; END A; A. THE VALUE OF X IS : 1 B. THE VALUE OF X IS : 2 C. THE VALUE OF X IS : 3 D. THE VALUE OF X IS : 5 Answer: A Question 4. Given the following code, with what attribute should the variable EOF be declared? DO WHILE(^EOF); A. FIXED BIN (7) B. BIT (1) C. CHAR (1) D. FIXED DEC (3) Answer: B Question 5. Which is the most appropriate code to turn all of the bits in A ON? DCL A BIT(8); A. A = 255; B. A = '11111111'B; C. A = 11111111B; D. A = -1; Answer: B Question 6. What changes should be made, if any, to the following code? DCL A CHAR(100) BASED(P); DCL P PTR; READ FILE(DDIN) INTO(A); A. READ FILE(DDIN) SET(A); B. READ FILE(DDIN) INTO(P); C. READ FILE(DDIN) SET(P); D. No changes necessary because the code is correct. Answer: C Question 7.. What is the value of B after executing the following code? DCL A CHAR(10) VAR; DCL B BIN FIXED(31) INIT(0); DCL C CHAR(5) INIT('ABCD'); A = C; B = LENGTH(A); A. 10 B. 7 C. 5 D. 4 Answer: C Question 8. Which of the following is a BIN FIXED constant? A. '1000' B. 1E+03 C. 1000 D. 1000B Answer: D Question 9. Which of the following is NOT a valid method to activate a BEGIN block? A. A condition is signaled and the BEGIN block is a component of the corresponding ON unit. B. Sequential program flow approaches the BEGIN block. C. The BEGIN block is labeled and a GOTO addresses this label. D. The BEGIN block is labeled and a CALL addresses this label. Answer: D Question 10. Which is the most appropriate data type declaration for the variable A in the following expression, if A is used as a counter? A = A + 1; A. CHAR B. BIN FIXED C. FLOAT D. PlC Answer: B
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