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Home⇒ Computer Engineering⇒ System software and compiler design
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q21 ⇒ A system program that combines separately compiled modules of a program into a form suitable for execution is linking loader [other wrong options] [Discuss in forum] assembler cross compiler None of these |
Q22 ⇒ Local and loop optimization in turn provide motivation for data flow analysis [other wrong options] [Discuss in forum] constant folding peep hole optimization DFA and constant folding |
Q23 ⇒ LR parsers are attractive because both (a) and (b) [other wrong options] [Discuss in forum] it does not back track it can be constructed to recognize CFG corresponding to almost all programming constructs none of these |
Q24 ⇒ Let ( Z,* ) be an algebraic structure, where Z is set of integers and the operation * is defined by n * m =maximum ( n , m ) Which of the following statements is true for ( Z, * ) ? none of these [other wrong options] [Discuss in forum] ( Z,* ) is a group ( Z,* ) is a monoid ( Z,* ) is an algebraic group |
Q25 ⇒ Which of the following features cannot be captured by CFG ? matching nested paranthesis [other wrong options] [Discuss in forum] syntax of recursive procedures syntax of if-then-else statements whether a variable is declared before its use |
Q26 ⇒ When a computer is first turned on or resrarted, a special type of absolute loader is executed called Boot strap loader [other wrong options] [Discuss in forum] Boot loader Relating loader " Compile and GO " loader |
Q27 ⇒ A self-relocating program is one which can itself perform the relocation of its address sensitive portions [other wrong options] [Discuss in forum] consists of a program and relevant information for its relocation cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation all of these |
Q28 ⇒ In an absolute loading scheme, which loader function is accomplished by loader ? Loading [other wrong options] [Discuss in forum] Linking Allocation Reallocation |
Q29 ⇒ Which of the following module does not incorporate initialization of values changed by the module ? non reusable module [other wrong options] [Discuss in forum] re-enterable module serially reusable module all of these |
Q30 ⇒ What is the value of X printed by the following program ? program COMPUTE ( input, output ); var X : integer ; procedure FIND ( X: real ) ; begin X : = sqrt ( X ) ; end ; begin X : = 2 FIND ( X 2 [other wrong options] [Discuss in forum] n √2 Run-time error |
Q31 ⇒ Which of the following is true for machine language? The language which communicates with the computer using only the binary digits 1 and 0. [other wrong options] [Discuss in forum] Depicting flow of data in a system Repeated execution of program segments A sequence of instructions which, when followed properly, solves a problem |
Q32 ⇒ Advantage of panic mode of error recovery is that both (a) and (b) [other wrong options] [Discuss in forum] it never gets into an infinite loop it is simple to implement none of these |
Q33 ⇒ If control signals {a,b,c,d,e,f,g} for some micro instructions and their corresponding MCCS (Maximum Compatibility Classes) are [ad f* g, abd, beg, b deg} then to determine minimal MCC cover, we need afd [other wrong options] [Discuss in forum] bcg adfg bdeg |
Q34 ⇒ What is memory in Computer ? is the device where information is stored [other wrong options] [Discuss in forum] is a sequence of instructions is an device that performs a sequence of operations specified by instructions in memory none of these |
Q35 ⇒ In a single pass assembler, most of the forward references can be avoided by putting the restriction that the data segment must be defined after the code segment [other wrong options] [Discuss in forum] on the number of strings/lifereacts on unconditional rump None of these |
Q36 ⇒ Substitution of values for names whose values are constant, is done in constant folding [other wrong options] [Discuss in forum] loop optimization local optimization none of these |
Q37 ⇒ Which of the following derivation a top-down parser use while parsing an input string? The input is assumed to be scanned in left to right order ? Leftmost derivation [other wrong options] [Discuss in forum] Rightmost derivation Leftmost derivation traced out in reverse Rightmost derivation traced out in reverse |
Q38 ⇒ Which of the following translation program converts assembly language programs to object program Assembler [other wrong options] [Discuss in forum] Loader Compiler Macroprocessor |
Q39 ⇒ Object program is a translation of high-level language into machine language [other wrong options] [Discuss in forum] program to be translated into machine language program written in machine language none of these |
Q40 ⇒ Function of the syntax phase is to recognize the major constructs of the language and to cal the appropriate action routines that wil generate the intermediate form or matrix for these constructs [other wrong options] [Discuss in forum] build a uniform symbol table. build a literal table and an identifier table. parse the source program into the basic elements or tokens of the language. |
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