Test Youself

Test:   Character Data #1
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1. 
In the explictly coded instruction, below, what does the 4 represent?
CLC 3(4,5),6(7)Deselect Answer
2. 
In the explictly coded instruction below, what does the 4 represent?
CLI 3(4),5Deselect Answer
3. 
What are the character contents of Y after the MVC below?

X        DC    CL1'X'

Y        DC   CL5'ABCDE'

        ...

     

         MVC    Y,X

Deselect Answer
4. 
In the explictly coded instruction below, what does the 7 represent?
CLC 3(4,5),6(7)Deselect Answer
5. 
What is the EBCDIC representation of the letter A in hexadecimal?
6. 
What type of instruction is CLC?
7. 
In the explictly coded instruction below, what does the 6 represent?
CLC 3(4,5),6(7)Deselect Answer
8. 
How many object code bytes are required for the CLI instruction?
9. 
What is the maximum number of characters that can be compared using a CLC instruction?
10. 
In the explictly coded instruction below, what does the 3 represent?
CLI 3(4),5Deselect Answer
11. 
In the explictly coded instruction, below, what does the 5 represent?
CLC 3(4,5),6(7)Deselect Answer
12. 
In the explictly coded instruction below, what does the 5 represent?
CLI 3(4),5Deselect Answer
13. 
In the explictly coded instruction below, what does the 3 represent?
CLC 3(4,5),6(7)Deselect Answer
14. 
In the EBCDIC encoding sequence, which character appears first, the letter A or the number 9?
15. 
What value in hex is contained in the second byte of the object code for the CLC instruction below?

Assume,

X        DS    CL5

Y        DS    CL8

          ...

         CLC X,Y

What value in hex is contained in the second byte of the object code for the CLC instruction?

Deselect Answer
16. 
What is the EBCDIC representation of a character 9 in hexadecimal?
17. 
What type of instruction is CLI?
18. 
What occupies the first byte in the object code of an SS instruction?
19. 
How many object code bytes are required for the CLC instruction?

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