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IBM C9050-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| IBM Enterprise PL/I Features | - Compiler and Runtime Features
|
| Program Structure and Control | - Procedures and Blocks
|
| Data Processing | - Character and String Handling
|
| File and I/O Processing | - File Operations
|
| PL/I Language Fundamentals | - Expressions and Operators
|
IBM Developing with IBM Enterprise PL/I Sample Questions:
1. Given the following declaration, what is the most efficient way of setting C from A?
DCLA BIN FIXED(31) INIT(-123);
DCL C CHAR(6);
DCL P PlC '---- 9' DEFINED C;
A) P = A;
B) PUT STRING(C) LIST(A);
C) C = A;
D) PUT STRING(C) EDIT(A)(F(6));
2. What are the requirements on data to apply parallelization in a program?
A) It should be partition able.
B) It should follow the Relational model.
C) It should follow the Object model.
D) It should follow the Hierarchical model.
3. Requirement:
All the characters of the CHAR(3) variable X must be tested to be numeric. Which of the following
solutions meets the requirement and does not require essential structural modifications when the
requirement is changed to the following: The first character of the CHAR(3) variable X must be tested to
be uppercase alphabetic, while the two other characters must be tested to be numeric.
A) DCL Y PIC'999';
DCL SWITCH BIT(1) INIT('1'B);
ON CONVERSION BEGIN;
SWITCH =
ONSOURCE = '000';
END;
Y = X;
IF SWITCH
THEN ... ; /*NUMERIC*/
B) IFX >= '000' & X <= '999'
THEN ... /*NUMERIC*/
C) DCL ALPHA CHAR(26) VALUE('ABCDEFGHIJKLMNOPQRSTUVWXYZ');
DCL NUM CHAR(10) VALUE('0123456789');
IF TRANSLATE(X,(26)'A'!I(10)'9'ALPHA!!NUM) = '999'
THEN ... ; /*NUMERIC*/
D) DCL NUM CHAR(10) VALUE('0l 23456789');
IF VERIFY(X,NUM) = 0
THEN ... /*NUMERIC*/
4. Which of the following structures will NOT contain padding bytes if the PL/I default for alignment is
applied?
A) DCL 1 A, 2 E FIXED BIN (31), 2 C FIXED DEC (5,2), 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 D
CHAR (3);
B) DCL 1 A, 2 B FLOAT DEC (16), 2 C FLOAT DEC (5,2), 2 D CHAR (3), 2 E FIXED BIN (31), 2 F FLOAT
DEC (16);
C) DCL 1 A, 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 C FIXED DEC (5,2), 2 E FIXED BIN (31), 2 D
CHAR (3);
D) DCL 1 A, 2 B FLOAT DEC (16), 2 F FLOAT DEC (16), 2 E FIXED BIN (31), 2 C FIXED DEC (5,2), 2 D
CHAR (3);
5. PL/I programs which have been written under Intel architecture are now to be recompiled and run on the
mainframe. What will happen to the programs during compilation and execution?
A) They will not run correctly because the byte order on mainframe is bigendian.
B) They can be recompiled unchanged and will run correctly.
C) They may have to be changed before they run correctly on the mainframe.
D) They will not compile correctly on mainframe because ASCII has no NOT sign.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: C |



