What are the requirements for the solution to critical section problem?


Options: Mutual Exclusion B. Progress C. Bounded Waiting D. All of Above

Ans:– D ,


Description: mcqquestions






More Operating System Related questions:


Many organisations have developed MIS _____ plans.
Options: master,    decision,    plan,    control

Ans:A ,A


37. What is the short cut key to open the Open dialog box?
Options: a. F12 b. Shift F12 c. Alt + F12 d. Ctrl + F12

Ans:– D ,– D


. Pick out odd
Options: a. Windows b. Window c. DOS d. Linux

Ans:5 – b ,5 – b


Which of the following is not one of the major components of decision-support system?
Options: language system,    knowledge system,    expert system,    problem-processing system

Ans:C ,C


Control Unit of a digital computer is often called the
Options: Clock,    Nerve center,    ICs,    All of the above

Ans:B ,B


An AI system developed by Daniel Bobrow to read and solve algebra word problems
Options: SHRDLU,    SIMD,    BACON,    STUDENT

Ans:D ,D


A T-switch is used to
Options: control how messages are passed between computers,    echo every character that is received,    transmit characters one at a time,    rearrange the connections between computing equipment

Ans:D ,D


What is required when more than one person uses a central computer at the same time?
Options: A) Light pen B) Mouse C) Digitizer D) Terminal

Ans:-D,-D


What is the maximum distance running the lowest data rate for 802.11b?
Options: About 100 feet,    About 175 feet,    About 300 feet,    About 350 feet

Ans:D ,D


.   Which of the following feature allows you to select more than one slide in slide sorter view?
Options: a. Alt + Click each slide b. Shift + drag each slide c. Shift + Click each slide d. Ctrl + Click each slide

Ans:6 – C ,6 – C


Point out the error in the program? #include<stdio.h> int main() { struct bits { float f:2; }bit; printf("%d\n", sizeof(bit)); return 0; }
Options: 4,    2,    Error: cannot set bit field for float,    Error: Invalid member access in structure

Ans:C ,C


Point out the error in the program. #include<stdio.h> const char *fun(); int main() { char *ptr = fun(); return 0; } const char *fun() { return "Hello"; }
Options: Error: Lvalue required,    Error: cannot convert 'const char *' to 'char *'.,    No error and No output,    None of above

Ans:C ,C


.   The size of a table object
Options: a. Is dependent on the amount of text within the table b. Is determined by the presentation design but can be changed c. Is determined by the presentation design and cannot be changed d. a and c

Ans:4 – B ,4 – B


Which of the declaration is correct?
Options: int length;,    char int;,    int long;,    float double;

Ans:A ,A


Which of the following is a communication network that is devoted to carrying computer information.
Options: Data point,    Data module,    Data network,    Data pack

Ans:C ,C


The APT (automatically progra¬mmed tools) language is used with:
Options: large automation systems,    drafting systems,    programmable controllers,    numerical controlled machines.

Ans:D ,D


In a _____ one module of the new information system is activates at a time.
Options: System Development Life Cycle,    CASE tool,    Phased Conversion,    Success factors

Ans:C ,C


A system design aid should primarily
Options: help analyse both data and activities,    help in documentation,    generate code,    using a graphical user interface

Ans:A ,A


Which of the following is not logical operator?
Options: &,    &&,    ||,    !

Ans:A ,A


A basic capacitor is composed of:
Options: two conductors separated by a dielectric,    two dielectrics separated by a conductor,    two coils separated by a dielectric,    two coils separated by a conductor

Ans:A ,A


A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.
Options: Network,    Hierarchical,    Relational,    Object-Oriented

Ans:C ,C


. Which of the cell pointer indicate that you can move the content to other cell?
Options: a.  Doctor’s symbol (Big Plus) b.  small thin plus icon c.  Mouse Pointer with anchor at the tip d.  None of above

Ans:– c,– c


What X-based tool is available for configuring the X Window system?
Options: XConfigurator,    XF86Setup,    xf86config,    All of the above

Ans:B ,B


When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the:
Options: first step.,    second step.,    third step.,    fourth step.

Ans:C ,C


The general type of process found in industry is:
Options: discrete parts,    continuous,    batch,    All of the above

Ans:D ,D


. Which is built directly on the hardware?
Options: a. Computer Environment b. Application Software c. Operating System d. Database System

Ans:0 – c ,0 – c


What are the main parts of an atom?
Options: Protons only,    Electrons, protons, and ions,    Electrons, ions, and neutrons,    Electrons, protons, and neutrons

Ans:D ,D


The ALU of a computer normally contains a number of high speed storage elements called
Options: semiconductor memory,    registers,    hard disk,    magnetic disk

Ans:B,B


To produce high quality graphics (hardcopy) in color, you would want to use a/n
Options: A) RGB monitor B) Plotter C) Ink-jet printer D) Laser printer

Ans:-B,-B


Which one of the following is termed a combination input-output device?
Options: VDT,    Keyboard,    Printer,    Laser Jet

Ans:A,A


User-Friendly Systems are:
Options: required for object-oriented programming,    easy to develop,    common among traditional mainframe operating systems,    becoming more common

Ans:D ,D


What happens when you release mouse pointer after you drop the primary key of a table into foreign key of another table?
Options: a. A relationship is created b. Edit relationship dialog box appears c. Error occurs d. Nothing happens

Ans:ndash; b,ndash; b


Which of the following statements correctly assigns 12 to month using pointer variable pdt? #include<stdio.h> struct date { int day; int month; int year; }; int main() { struct date d; struct date *pdt; pdt = &d; return 0; }
Options: pdt.month = 12,    &pdt.month = 12,    d.month = 12,    pdt->month = 12

Ans:D ,D


What type of commands are individual programs kept, as separate files on the hard disk (DOS diskette)?
Options: External,    Internal,    Change,    File

Ans:A ,A


In pen plotters, "resolution" refers to the shortest possible line, but in electrostatic plotters it refers to:
Options: the number of dots per inch,    the speed per inch,    dual-axis tracking,    how accurately the plotter returns to a specific point

Ans:A ,A


. If you need to double underline a word, how will  you do that?
Options: a. Go to Format menu and then Font option. Open Underline Style and choose Double Underline b. From Format menu choose Font option and then from Font tab open Underline Style and select Double Underline c. Select the text then choose Format >> Font and on Font tab, open Underline Style and choose Double Underline d. Click double underline tool on formatting toolbar

Ans:– C,– C


A factor which would strongly influence a businessperson to adopt a computer is its:
Options: Accuracy,    Reliability,    Speed,    All of the above

Ans:D,D


The Memory Address Register
Options: is a hardware memory device which denotes the location of the current instruction being executed.,    is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.,    contains the address of the memory location that is to be read from or stored into.,    contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".

Ans:C ,C


A monitor looks like a TV set but it does not
Options: Receive TV signals,    Give a clear picture,    Give a steady picture,    Display graphics

Ans:A ,A


. What does ‘apply design template’ do?
Options: a. Changes the content of the slide b. Adds functionality to the slide c. Changes the look of the slide without changing the content d. None of the above

Ans:6 – C ,6 – C


To move the cursor page to page of document
Options:  A) Ctrl+PgDn, B) Ctrl+PgUp, C) Both of above, D) None of above, 

Ans:-C,-C


Which of the following is best for quick copy operation?
Options: Copy and Paste B. Windows Clipboard C. Drag and Drop D. Auto Text

Ans:– C ,


. Which query do you use to answer the question “What is the average salary of the employees”?
Options: a. Search query b. Cross tab query c. Select query d. Update query

Ans:– c,– c


. Which of the following is not a valid size of a Floppy Disk?
Options: A) 8? B) 5 ¼? C) 3 ½? D) 5 ½?

Ans:D,D


Data communications monitors available on the software market include
Options: ENVIRON/1,    TOTAL,    BPL,    Telenet

Ans:A ,A


Which of the following is the fastest?
Options: CPU,    magnetic tapes and disks,    video terminal,    sensors, mechanical controllers

Ans:A,A


9. ….share characteristics with both hardware and software
Options: a. Operating system b. Software c. Data d. None

Ans:Correct Answer: a,Correct Answer: a


Which command loads a new version of the Cisco IOS into a router?
Options: copy flash ftp,    copy ftp flash,    copy flash tftp,    copy tftp flash

Ans:D ,D


The communication problem involves the
Options: analyst and the programmer,    manager and the analyst,    programmer and the computer,    operate and the computer

Ans:B ,B


A turnkey package includes
Options: software,    hardware,    training,    All of the above

Ans:D ,D

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