An algorithm is best described as_______________?
(A) A computer language
(B) A branch of mathematics
(C) A step by step procedure for solving a problem
(D) All of the above
Multiprogramming was made possible by____________________?
(A) operating systems
(B) input/output units that operate independently of the CPU
(C) both A and B
(D) neither A nor B
Job Control Language (JCL) statements are Used to___________________?
(A) Allocate the CPU to a job
(B) Specify, to the operating system, the beginning and end of a job in a batch
(C) Read the input from the slow-speed card reader to the high-speed magnetic disk
(D) All of the above
In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register ?
(A) index mode
(B) indirect mode
(C) absolute mode
(D) immediate mode
Convert the .WORD d#790 assemblylanguage pseudo-ops into hexadecimal machine language________________?
(A) F8
(B) 03 16
(C) 0111EF
(D) 42 65 61 72
In an absolute loading scheme, which loader function is accomplished by loader ?
(A) Linking
(B) Loading
(C) Allocation
(D) Reallocation
Assembly code data base is associated with__________________?
(A) a permanent table which lists all key words and special symbols of the language in symbolic form
(B) assembly language version of the program which is created by the code generation phase and is input to the assembly phase
(C) a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
(D) consists of a full or partial list or the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation
The Process Manager has to keep track of___________________?
(A) the status of each program
(B) the priority of each program
(C) both A and B
(D) the information management support to a programmer using the system
A base register table___________________?
(A) is a term that refers to the control programs of an operating system
(B) allows multiple programs to reside in separate areas of core at the same time
(C) allows the programmer to write base registers and displacements explicitly in the source program
(D) is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
The function(s) of the Syntax phase is/ are__________________?
(A) to build a uniform symbol table
(B) to build a literal table and an identifier table
(C) to parse the source program into the basic elements or tokens of the language
(D) to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs