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MCQOPTIONS
This section includes 1698 Mcqs, each offering curated multiple-choice questions to sharpen your General Awareness knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which of the following type of software should be used if you need to create,edit and print document ? |
| A. | Word processing |
| B. | Spreadsheet |
| C. | Desktop publishing |
| D. | UNIX |
| Answer» B. Spreadsheet | |
| 102. |
Which of the following can be used as a criterion for classification of data structures used in language processing. |
| A. | Nature of a data structure |
| B. | Purpose of a data structure |
| C. | Lifetime of a data structure |
| D. | All of the above |
| Answer» E. | |
| 103. |
Parsing is also known as ? |
| A. | Lexical analysis |
| B. | Syntax analysis |
| C. | Semantic analysis |
| D. | Code generation |
| Answer» C. Semantic analysis | |
| 104. |
Predictive parser can be ? |
| A. | Recursive |
| B. | Constructive |
| C. | Non recursive |
| D. | Both a and b |
| Answer» B. Constructive | |
| 105. |
Pick the machine independent phase of the compiler ? |
| A. | Syntax analysis |
| B. | Lexical analysis |
| C. | Intermediate code generation |
| D. | All of the above |
| Answer» E. | |
| 106. |
A Compiler has . phases ? |
| A. | 7 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» E. | |
| 107. |
Type checking is normally done during ? |
| A. | Lexical analysis |
| B. | Syntax analysis |
| C. | Syntax directed translation |
| D. | Code generation |
| Answer» D. Code generation | |
| 108. |
Functions of Lexical analyzer are ? |
| A. | Removing white space |
| B. | Removing constants, identifiers and keywords |
| C. | Removing comments |
| D. | All of above |
| Answer» E. | |
| 109. |
Yacc resolves conflicts by of type ? |
| A. | Reduce - Reduce |
| B. | Shift - Reduce |
| C. | Shift - Shift |
| D. | Both a and b |
| Answer» E. | |
| 110. |
The following features are needed to implement top down parsing |
| A. | Source string marker |
| B. | Prediction making mechanism |
| C. | Matching and Backtracking mechanism |
| D. | All of the above |
| Answer» E. | |
| 111. |
An analysis, which determines the syntactic structure of the source statement, is called |
| A. | Sementic analysis |
| B. | Process analysis |
| C. | Syntax analysis |
| D. | Function analysis |
| Answer» D. Function analysis | |
| 112. |
Recognition of basic syntactic constructs through reductions, this task is performed by |
| A. | Lexical analysis |
| B. | Syntax analysis |
| C. | Semantic analysis |
| D. | Structure analysis |
| Answer» C. Semantic analysis | |
| 113. |
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 ? |
| A. | Leftmost derivation |
| B. | Leftmost derivation traced out in reverse |
| C. | Rightmost derivation |
| D. | Rightmost derivation traced out in reverse |
| Answer» B. Leftmost derivation traced out in reverse | |
| 114. |
The error that can be pointed out by the compiler are |
| A. | Syntax errors |
| B. | Semantic errors |
| C. | Logical errors |
| D. | Internal errors |
| Answer» B. Semantic errors | |
| 115. |
The time required for execution of a macro is that of procedure. |
| A. | Greater than |
| B. | Less than |
| C. | Equal to |
| D. | None of the mentioned |
| Answer» C. Equal to | |
| 116. |
Macro processor is an inbuilt function of |
| A. | Assembler |
| B. | Loader |
| C. | Linker |
| D. | Editor |
| Answer» B. Loader | |
| 117. |
What are x and y in the following macro definition? macro Add x, y Load y Mul x Store y end macro |
| A. | Variables |
| B. | Identifiers |
| C. | Formal parameters |
| D. | Actual parameters |
| Answer» D. Actual parameters | |
| 118. |
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); writeln(X); end. |
| A. | N |
| B. | 2 |
| C. | Run-time error |
| Answer» C. Run-time error | |
| 119. |
If a number of instructions are repeating through the main program, then to reduce the length of the program, . is used. |
| A. | Procedure |
| B. | Subroutine |
| C. | Macro |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 120. |
In a syntax directed translation scheme,if values of an attribute of a node is a function of theattributes of its children,then attribute is called |
| A. | Canonical attribute |
| B. | Synthesized attribute |
| C. | Inherited attribute |
| D. | None of these |
| Answer» C. Inherited attribute | |
| 121. |
In statement After last mark enter -1 in COMAL programming language, rogue value is |
| A. | -1 |
| B. | Last |
| C. | Mark |
| D. | After |
| Answer» B. Last | |
| 122. |
Statement 130 num(subs) = 2*subs-1 is an example of |
| A. | Array in BASIC |
| B. | Array in PASCAL |
| C. | Array in COMAL |
| D. | Array in COBOL |
| Answer» B. Array in PASCAL | |
| 123. |
In line 100 INPUT NUM of a BASIC program, NUM is if chosen by programmer is classified as |
| A. | Identifier |
| B. | Exponents |
| C. | Real constants |
| D. | Reserved variable |
| Answer» B. Exponents | |
| 124. |
Programs that coordinate all of the computer s resources including memory, processing, storage, anddevices such as printers are collectively referred to as |
| A. | Language translators |
| B. | Resources |
| C. | Applications |
| D. | Interfaces |
| Answer» C. Applications | |
| 125. |
The object code is then passed through a program called a ___________ which turns it intoan executable program. |
| A. | Integer |
| B. | Source code |
| C. | Linker |
| D. | None of the above |
| Answer» D. None of the above | |
| 126. |
Action implementing instruction s meaning are a actually carried out by |
| A. | Instruction fetch |
| B. | Instruction decode |
| C. | Instruction execution |
| D. | Instruction program |
| Answer» D. Instruction program | |
| 127. |
Specialized programs that allow particular input or output devices to communicate with the rest ofthe computer system are called |
| A. | Operating systems |
| B. | Utilities |
| C. | Device drivers |
| D. | Language translators |
| Answer» D. Language translators | |
| 128. |
Programs that coordinate computer resources, provide an interface between users and the computer,and run applications are called |
| A. | Utilities |
| B. | Operating systems |
| C. | Device drivers |
| D. | Language translators |
| Answer» C. Device drivers | |
| 129. |
In order for a computer to understand a program, it must be converted into machine language bya(n)__________. |
| A. | Operating system |
| B. | Utility |
| C. | Device driver |
| D. | Language translator |
| Answer» E. | |
| 130. |
Also known as a service program, this type of program performs specific tasks related to managingcomputer resources. |
| A. | Utility |
| B. | Operating system |
| C. | Language translator |
| D. | Device driver |
| Answer» B. Operating system | |
| 131. |
A Language L is defined by L={xn yn |n>1} . Which of the following definitions generates the samelanguage as L |
| A. | E->xEy | xy |
| B. | (xy)|(xxyy) |
| C. | X-y |
| D. | All of these |
| Answer» B. (xy)|(xxyy) | |
| 132. |
In operator precedence parsing, precedence relations are defined |
| A. | To delimit the handle |
| B. | For all pair of terminals |
| C. | For all pair of non-terminals |
| D. | None of these |
| Answer» D. None of these | |
| 133. |
pass 1 |
| A. | Assign address to all statements in the program |
| B. | Save the values assigned to all labels for use in pass 2 |
| C. | Perform some processing of assembler directives |
| D. | All of these |
| Answer» E. | |
| 134. |
Which of the following is a phase of a compilation process ? |
| A. | Lexical analysis |
| B. | Code generation |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» D. None of these | |
| 135. |
Forward reference table(FRT) is arranged like |
| A. | Stack |
| B. | Queue |
| C. | Linked list |
| D. | Double linked list |
| Answer» D. Double linked list | |
| 136. |
Pass 2 |
| A. | Assemble instruction and generate data |
| B. | Perform processing of assembler directions not done during pass 1 |
| C. | Write the object program and the assembly listing |
| D. | All of these |
| Answer» E. | |
| 137. |
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, * ) ? |
| A. | ( Z,* ) is a group |
| B. | ( Z,* ) is a monoid |
| C. | ( Z,* ) is an algebraic group |
| D. | None of these |
| Answer» E. | |
| 138. |
Substitution of values for names whose values are constant, is done in |
| A. | Constant folding |
| B. | Loop optimization |
| C. | Local optimization |
| D. | None of these |
| Answer» B. Loop optimization | |
| 139. |
An individual token is called ________. |
| A. | Lexeme |
| B. | Lex |
| C. | Both of the mentioned |
| D. | None of the mentioned |
| Answer» B. Lex | |
| 140. |
Lexical Analysis Identifies Different Lexical Units in a _______. |
| A. | Source Code |
| B. | Object Code |
| C. | Lexeme |
| D. | None of the mentioned |
| Answer» B. Object Code | |
| 141. |
Which one is a type of Lexeme ? |
| A. | Identifiers |
| B. | Constants |
| C. | Keywords |
| D. | All of the mentioned |
| Answer» E. | |
| 142. |
A________ is a string of characters which form a syntactic unit. |
| A. | Lexeme |
| B. | Lex |
| C. | None of the mentioned |
| D. | Both of the mentioned |
| Answer» B. Lex | |
| 143. |
When expression sum=3+2 is tokenized then what is the token category of 3 ? |
| A. | Identifier |
| B. | Assignment operator |
| C. | Integer Literal |
| D. | Addition Operator |
| Answer» D. Addition Operator | |
| 144. |
The task of the logical analysis phase is |
| A. | To parse the source program into the basic elements or token of the language |
| B. | To build the literal table and an identifier table |
| C. | To build a uniform symbol table |
| D. | All of the above |
| Answer» B. To build the literal table and an identifier table | |
| 145. |
Pick the machine independent pahse of the compiler |
| A. | Syntax analysis |
| B. | Lexical analysis |
| C. | Intermediate code generation |
| D. | All of the above |
| Answer» E. | |
| 146. |
The bottom up parser generates |
| A. | Right most derivation |
| B. | Right most derivation in reverse |
| C. | Left most derivation |
| D. | Left most derivation in reverse |
| Answer» C. Left most derivation | |
| 147. |
The top down parser generates |
| A. | Right most derivation |
| B. | Right most derivation in reverse |
| C. | Left most derivation |
| D. | Left most derivation in reverse |
| Answer» D. Left most derivation in reverse | |
| 148. |
Input to code generator is |
| A. | Source code |
| B. | Intermediate code |
| C. | Target code |
| D. | All of the above |
| Answer» C. Target code | |
| 149. |
Local and loop optimization in turn provide motivation for |
| A. | Data flow analysis |
| B. | Constant folding |
| C. | Pee hole optimization |
| D. | DFA and constant folding |
| Answer» B. Constant folding | |
| 150. |
_________or scanning is the process where the stream of characters making up the source program is read from left to right and grouped into tokens. |
| A. | Lexical analysis |
| B. | Diversion |
| C. | Modeling |
| D. | None of the above |
| Answer» B. Diversion | |