Answer some more questions on Basic ABAP?

hi all

Answer the Following,

1)at wch loop "ABC' will be printed.

loop at itab.

do 8 times.

write : ' '.

enddo.

skip.

write : 'ABC'.

endloop.

a)8

b)9

c)10

d)1

2)to sort itab which of the following field will help(more than 1 answer id correct)

data : begin of itab,

a) field(10) type p,

b) field(10) type c,

c) field(10) type n,

d) field(10) type x,

end of itab,

3)which SQL stmt does not LOCK the corresponding DB entries?

a)select single *

b)insert

c)select single update

d)modify

4)data : fielda(10) value 'ABCD'.

if fielda CO 'ABCD'.

what is the value of sy-fdpos.

a)0

b)ABCD

c)A

d)1

5) to delete the contents of itab(with header line)

a)clear itab

b)clear itab[]

c)refresh itab

d)refresh itab[]

6)what will be the value of F1 after submiting

program abc.

data :F1.

F1 = ' '.

perform out.

submit abc1 using F1 exporting list to memory id 'xyz'.

program abc1.

form out.

data : F1.

F1 = '1'.

endform.

a)space

b)1

c)run time error

d)0

reward points will be given for all correct answers....!!