please write clearly

1.) Describe the fields of an assembly language statement. 2.) What is the difference between an executable statement and a directive statement in assembly language? 3.) Write assembly code that will allocate a block of 32 words in memory, starting at an even address, with the label BLOCK1 and initialize the words to 0. 4.) What does the following assembly code do: DATA_SEG SEGMENT PARA MEMORY 'DATA DW 256 DUP(0) DATA_SEG ENDS ASSUME DS:DATA_SEG 5.) What is a procedure and show the general structure of a near procedure called SUB that is accessible from other modules. 6.) What is the size of the a.) Memory space for the 8088 b.) Input/Output space for the 8086