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Home⇒ Computer Engineering⇒ Operating system
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 ⇒ All the time a computer is switched on, its operating system software has to stay in primary storage [other wrong options] [Discuss in forum] main storage floppy disk disk drive |
Q22 ⇒ Which of the following statements is not true about the FORTRAN language? A FORTRAN program, written for the IBM-PC, is totally different from a FORTRAN program written for execution on the SUN machine [other wrong options] [Discuss in forum] FORTRAN is a high level language FORTRAN is extensively used to write programs for performing scientific computations All of the above |
Q23 ⇒ An incremental backup saves only files that have recently changed [other wrong options] [Discuss in forum] should be done each month uses more tapes saves all files |
Q24 ⇒ If special forms are needed for printing the output, the programmer specifies these forms through? JCL [other wrong options] [Discuss in forum] JPL Utility programs Load modules |
Q25 ⇒ Object code must be "loaded" before execution [other wrong options] [Discuss in forum] is ready to execute is the output of compilers, but not assemblers must be rewritten before execution |
Q26 ⇒ Assembler language is a mnemonic form of machine language [other wrong options] [Discuss in forum] is usually the primary user interface requires fixed-format commands is quite different from the SCL interpreter |
Q27 ⇒ Under multiprograming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____. shortened; lengthened [other wrong options] [Discuss in forum] lengthened; shortened shortened; shortened lengthened; lengthened |
Q28 ⇒ Information in a memory that is no longer valid or wanted is known as garbage [other wrong options] [Discuss in forum] non-volatile volatile surplus |
Q29 ⇒ System maintenance: is necessary on all systems, regardless of how good [other wrong options] [Discuss in forum] is usually not necessary is not required if the system is well written always requires several programs |
Q30 ⇒ In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register? index mode [other wrong options] [Discuss in forum] absolute mode indirect mode immediate mode |
Q31 ⇒ A critical region is one which is enclosed by a pair of P and V operations on semaphores [other wrong options] [Discuss in forum] a program segment that has not been proved bug-free a program segment that often causes unexpected system crashes a program segment where shared resources are accessed |
Q32 ⇒ When a program calls a function that has default parameters, if you omit an argument, you must _____ omit all arguments to the right of that argument [other wrong options] [Discuss in forum] not omit any other arguments omit all arguments omit all arguments to the left of that argument |
Q33 ⇒ The strategy of allowing processes that are logically runnable to be temporarily suspended is called preemptive scheduling [other wrong options] [Discuss in forum] non preemptive scheduling shortest job first first come first served |
Q34 ⇒ Which of the following rules out the use of GO TO? Nassi-Shneiderman diagram [other wrong options] [Discuss in forum] Flowchart HIPO-DIAGRAMS All of the above |
Q35 ⇒ In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with recognition of basic elements and creation of uniform symbols [other wrong options] [Discuss in forum] recognition of basic syntactic constructs through reductions. creation of more optional matrix. use of macro processor to produce more optimal assembly code |
Q36 ⇒ Which of the following are(is) Language Processor(s) All of the above [other wrong options] [Discuss in forum] assembles compilers interpreters |
Q37 ⇒ Bug means A logical error in a program [other wrong options] [Discuss in forum] A difficult syntax error in a program Documenting programs using an efficient documentation tool All of the above |
Q38 ⇒ Which, of the following is not true about the description of a decision table? A decision table is directly understood by the computer [other wrong options] [Discuss in forum] A decision table is easy to modify A decision table is easy to understand All of the above |
Q39 ⇒ What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them? Multitasking [other wrong options] [Discuss in forum] Partitioning Windowing Paging |
Q40 ⇒ System programs such as Compilers are designed so that they are reenterable [other wrong options] [Discuss in forum] non reusable serially usable recursive |
Or |