. Which statement is valid about computer program?
Options: A) High level languages must be converted into machine language to execute
B) High level langage programs are more efficient and faster to execute
C) It is more difficult to identify errors in high level language program than in low level programs
D) All of above
Which of the following are integrity controls that a DBMS may support?
Options: Assume a default value in a field unless a user enters a value for that field., Limit the set of permissible values that a field may assume., Limit the use of null values in some fields., All of the above.
The advantage of a command processor running only built-in commands is:
Options: flexibility to the users in running lists of commands by simply collecting them in named batch command files, the command set being common across different hardware configurations, users can create system programs and run them as commands, the processing is much faster than would other-wise be the case when user defined commands are used
Options: Â Dynamic Name System
B. Â Dynamic Network System
C. Â Domain Name System
D. Â Domain Network Service
Ans:â€“ C ,
Options: a permanent table which lists all key words and special symbols of the language in symbolic form, a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure, consists of a full or partial list of the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation, contains all constants in the program