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About SMS, RBA and Collating Seq

 
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karthi_ind

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Joined: 24 Feb 2004
Posts: 131
Location: Chennai

PostPosted: Sat May 08, 2004 11:30 am    Post subject: About SMS, RBA and Collating Seq
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There r interview questions Plz dont say "See n book" Plz answer

1) What is Collating Sequence?

2) What is low-values and high-values in Figurative constants?

3) What is variable length and Fixed length records?

4) What is JES2 & JES3?

5) What is SMS?

6) Why Picture clause should not specify in comp1 and comp2?

7) What is RBA?

Plz answer these questions.

URs
karthi G.
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mcmillan

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Joined: 18 May 2003
Posts: 1203
Location: India

PostPosted: Fri Jun 04, 2004 11:12 pm    Post subject: Re: Interview Questions(Plz Answer)
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karthi_ind wrote:


1) What is Collating Sequence?


It's the sequence of a system which decides the equivalent numeric value for each character typed in keyboard and also the procedence b/w characters.

In PC, ASCII is the default collating, while in Mainframe EBCDIC is the default. [/quote]

Quote:

2) What is low-values and high-values in Figurative constants?


HGH-VALUES refers the highest value in collating sequence (X'FF'). Low calue refers the lowest value in collating sequence. (x'00')

Quote:

3) What is variable length and Fixed length records?


If you know the size at declaration, you can say it as a fixed length table. Variable length tables vary in size depending on the value of another variable.

[quote]4) What is JES2 & JES3?
[quote]

Job Entry Subsystem 2 & 3

Quote:

5) What is SMS?


Storage management SubSystem

Quote:
6) Why Picture clause should not specify in comp1 and comp2?


The use of Picture clause is to specify the type, size and format. But for Comp-1 & 2, the size is 4B & 8B respectively. The type is Hexadecimal in floating point. The format is +0.9999E+99. If you know the size, type & format, then there is no need to specify.

Quote:
7) What is RBA?


Relative Byte Addreszs
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