COMP-3 field occupy ?

Answers were Sorted based on User's Feedback



COMP-3 field occupy ?..

Answer / shan

(N+1)/2 bytes

Is This Answer Correct ?    21 Yes 4 No

COMP-3 field occupy ?..

Answer / phani

if n is even, then n/2 + 1 bytes
if n is odd, then int(n+1/2) bytes
every time rightmost 1/2 byte is used to store sign value.

Is This Answer Correct ?    5 Yes 3 No

COMP-3 field occupy ?..

Answer / sp

Its not even and odd. Its jst (n+1)/2. If aftre calculation
we are getting decimal value then it will roundeed to next
value.

Is This Answer Correct ?    4 Yes 2 No

COMP-3 field occupy ?..

Answer / vasanth

No it should be M+N/2 for bytes allocation in case of
variable var1 pic 9(6)v99 comp-3

where M=6 and N=2

The limit of comp-3 variable declartion is EX: var1 s9(18)
comp-3

Is This Answer Correct ?    9 Yes 9 No

COMP-3 field occupy ?..

Answer / vasanth

I guess there is no Odd and Even theory in case of COMP-3
variable memory allocation calculation.

If there is an fractional output of M+N/2+1
Then the value is rounded off to its next value accordingly.

Is This Answer Correct ?    2 Yes 2 No

COMP-3 field occupy ?..

Answer / sid

Hi Friends;

Here I want to contribute a few lines in this discussion,
those might helpful to understand it very clearly.

BINARY
Specified for binary data items. Such items have a decimal
equivalent
consisting of the decimal digits 0 through 9, plus a sign.
Negative numbers
are represented as the two's complement of the positive
number with the same absolute value. The amount of storage
occupied by a binary item depends on the number of decimal
digits defined in its PICTURE clause:
1 through 4 2 bytes (halfword)
5 through 9 4 bytes (fullword)
10 through 18 8 bytes (doubleword)

The operational sign for ?big-endian? binary data (such as
OS/390 and VM) is contained in the left most bit of the
binary data. The operational sign for ?little-endian? binary
data is contained in the left most bit of the right most
byte of the binary data.

PACKED-DECIMAL
Specified for internal decimal items. Such an item appears
in storage in
packed decimal format. There are 2 digits for each character
position, except for the trailing character position, which
is occupied by the low-order digit and the sign. Such an
item can contain any of the digits 0 through 9, plus a sign,
representing a value not exceeding 18 decimal digits.

The sign representation uses the same bit configuration as
the 4-bit sign
representation in zoned decimal fields.

Following is the range I found in a IBM COBOL Programming manual

Picture Storage representation Numeric values

S9(1) through S9(4) Binary half-word (2 bytes) -32768
through +32767
S9(5) through S9(9) Binary full-word (4 bytes)
-2,147,483,648 through
+2,147,483,647
S9(10) through S9(18) Binary double-word (8bytes)
-9,223,372,036,854,775,808 through +9.223,372,036,854,775,807

9(1) through 9(4) Binary half-word (2 bytes) 0 through 65535
9(5) through 9(9) Binary full-word (4 bytes) 0 through
4,294,967,295
9(10) through 9(18) Binary double-word (8bytes) 0 through
18,446,744,073,709,551,615

Is This Answer Correct ?    1 Yes 2 No

COMP-3 field occupy ?..

Answer / krishna chaitanya

Comp3 will occupy from s9(1) to s9(18) . it wont exceed more
than it . So max value of comp3 is 10 bytes

i.e, 18/2 +1 = 9 + 1 = 10 bytes .

I thk i am correct .

Is This Answer Correct ?    1 Yes 2 No

COMP-3 field occupy ?..

Answer / mf buzz

Hi,
for pic 9(n) comp-3.
if n is even, then n/2 + 1 bytes
if n is odd, then int(n/2) bytes.

Is This Answer Correct ?    5 Yes 9 No

Post New Answer

More COBOL Interview Questions

what is the coding difference between COBOL and CICS.

8 Answers   Cap Gemini,


what is the difference b/w level no.01 & level no.77?

3 Answers   HCL,


Write some characteristics of cobol as means of business language.

0 Answers  


In a COBOL II PERFORM statement, when is the conditional tested, before or after the perform execution?

3 Answers  


What is reference modification? What is UNION in sql and syntax? What is the difference between GDGS and VSAM? Which is prefer one? What is processing groups in endevor?

1 Answers   Kuwait Oil Company,






I try to use some column names in my cobol progorm but these column not in db2 table ..when do i get error ..while bind time or runtime?

2 Answers  


how many bytes do SPPPP999 will store?

18 Answers  


What happens when we move a comp-3 field to an edited (say z (9). Zz-)?

0 Answers  


I got user abend U4038 while compiling my runjcl.. can anyone help me?

10 Answers   CGI,


which one is better among static call and dynamic call?

3 Answers  


what is sort? whis is internal & external sort ?when do u go for inter sort & external sort? tell about some sort utilites?

2 Answers   BirlaSoft,


How do u sort the table for Search ALL? Is it only using ASCENDING KEY IS statement in occurs clause? If the data is input in non ascending order, will the ASC KEY IS automatically sort the data? or will it throw compile time error?

1 Answers   CTS,


Categories