Which of the following resources must be protected by the operating system?


Options: I/O B. Memory C. CPU D. All of the above

Ans:– D ,


Description: mcqquestions

Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

Hits Today: 16685 | Level: Moderate


******************************************************

Want to see where do you stand among other aspirants in "Computer" category?

Click Here to take quick 10 mins MCQ test to find out.




Got some suggestion about this question or to make this site better? Please leave your comments below.




More Operating System Related questions:


What is the purpose of Spanning Tree Protocol in a switched LAN?
Options: To provide a mechanism for network monitoring in switched environments,    To prevent routing loops in networks with redundant paths,    To prevent switching loops in networks with redundant switched paths,    To manage the VLAN database across multiple switches

Ans:C ,C


.   Which of the following are actions you can assign to an action button or slide object?
Options: a. Run a macro b. Play a sound c. Hyper link d. All of above

Ans:9 – D ,9 – D


. Which of the following can a Report Wizard NOT do?
Options: a. Add summary functions b. Create groups c. Group fields into more than one Control Layout d. Select fields

Ans:3 – c ,3 – c


Which one of the following principles best describes the basic operation of a generator?
Options: Like magnetic poles repel; unlike poles attract,    Current is induced in a conductor that is moving through a magnetic field,    Like magnetic poles attract; unlike poles repel,    Current flowing through a conductor generates a magnetic field

Ans:B ,B


. PowerPoint design templates are stored in a file with this extension.
Options: a. .ptt b. .pot c. .ppt d. .dtp

Ans:5 – B ,5 – B


Which of the following is used to derive the address, of a record from the record key
Options: comma,    hashing,    variable,    field

Ans:B ,B


A Relation is a
Options: Subset of a Cartesian product of a list of attributes B. Subset of a Cartesian product of a list of domains C. Subset of a Cartesian product of a list of tuple D. Subset of a Cartesian product of a list of relations

Ans:– B ,


. Hard disk is coated in both side with
Options: A) Magnetic metallic oxide B) Optical metallic oxide C) Carbon layer D) All of the above

Ans:5-A,5-A


. An output device that uses words or messages recorded on a magnetic medium to produce audio response is
Options: A) Magnetic tape B) Voice response unit C) Voice recognition unit D) Voice band

Ans:B,B


  How can you stop a slide show?
Options: Press the right arrow B. Press Escape C. Press the left arrow D. Press the down arrow

Ans:– B ,


The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is
Options: 2400-4700,    390-600,    150-250,    300-600

Ans:C,C


What protocols are used to configure trunking on a switch? VLAN Trunking Protocol VLAN 802.1Q ISL
Options: 1 and 2,    3 and 4,    1 only,    2 only

Ans:B ,B


While working with MS-DOS, which command is used to copy all files from the currently logged drive and directory with the extension .TXT to the drive A?
Options: COPY A: *.TXT,    COPY *.TXT A:,    COPY *.TXT C:,    COPY *.TXT ALL.TXT

Ans:B ,B


Which of the following typically uses a keyboard for input?
Options: desktop terminal,    point-of-sale terminal,    financial transaction terminal,    All of the above

Ans:D,All of the above


The applications in the Strategic Computing Program include:
Options: battle management,    autonomous systems,    pilot's associate,    All of the above

Ans:D ,D


The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
Options: Data collection terminal,    OCR register terminal,    Video display terminal,    POS terminal

Ans:D,D


How many types of storage loops exist in magnetic bubble memory?
Options: 8,    4,    16,    2

Ans:D ,D


Which of the following commands sets the secret password to Cisco?
Options: enable secret password Cisco,    enable secret cisco,    enable secret Cisco,    enable password Cisco

Ans:C ,C


You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?
Options: as a master,    as a secondary,    as a slave,    as a primary

Ans:C ,C


Maximum length of DOS command using any optional parameter is
Options: a. 26 characters b. 87 characters c. 127 characters d. None of above

Ans:Correct Answer: c ,Correct Answer: c


. You should choose Sleep option when
Options: a. The computer is tired after working for the whole day b. You are leaving for a very short time and want to resume you work shortly c. Whencomputer gets hanged frequently. Let it sleep for some time d. You finish working and going to bed

Ans: b, b


. The programs which are as permanent as hardware and stored in ROM is known as
Options: A) Hardware B) Software C) Firmware D) ROM ware

Ans:9-C,9-C


All the time a computer is switched on, its operating system software has to stay in
Options: main storage,    primary storage,    floppy disk,    disk drive

Ans:B ,B


. To use your keyboard instead of the mouse to select tools on the ribbon, you display the KeyTips by pressing the _____________key?
Options: a. Alt b. Ctrl c. Shift+Enter d. Alt+Enter

Ans:– A,– A


. To make the number pad act as directional arrows, you press the __________ key.
Options: a. num lock b. caps lock c. arrow lock d. shift

Ans:2 – a ,2 – a


. Ctrl + G
Options: a. Open Paragraph Dialog box activating Goto Tab b. Open Page Setup Dialog box activating Goto Tab c. Open Find and Replace Dialog box with activating Goto Tab d. Open Goto Dialog box

Ans:–  C,–  C


Entities can be associated with one another in which of the following?
Options: Entities,    Attributes,    Identifiers,    Relationships

Ans:D ,D


How can you quickly reinstate a deleted footer placeholder in master view?
Options: a. Create a new slide master b. Re-apply the footer placeholder c. Re-apply the slide layout d. All of the above

Ans: – B , – B


0. Data access time is depends on
Options: Seek time B. Rotational delay C. Operating frequency D. All of the above

Ans: – D ,


What is (void*)0?
Options: Representation of NULL pointer,    Representation of void pointer,    Error,    None of above

Ans:A ,A


. Font folder is located on
Options: a. Program folder b. Ms Word file c. Control Panel folder d. Desktop folder

Ans:0 – c ,0 – c


A stepping motor;
Options: has a speed proportional to voltage input,    has a commutator,    is a good choice where continuous rotation is needed,    can index positional movement.

Ans:D ,D


To create a new table, in which method you don’t need to specify the field type and size?
Options: a. Create table in Design View b. Create Table using wizard c. Create Table by Entering data d. All of above

Ans:dash; c,dash; c


. When you link data maintained in Excel workbook to a Word document
Options: a. The Word document cannot be edited b. The Word document contains a reference to the original source application c. The word document must contain a hyperlink d. The word document contains a copy of the actual data

Ans:– b,– b


The modify operation is likely to be done after
Options: Delete,    Look-up,    Insert,    All of the above

Ans:B ,B


A shared database should:
Options: be accurate and available.,    provide for backup and recovery.,    be secure.,    All of the above.

Ans:D ,D


Point out the error in the following program. #include<stdio.h> #include<stdarg.h> fun(...); int main() { fun(3, 7, -11.2, 0.66); return 0; } fun(...) { va_list ptr; int num; va_start(ptr, n); num = va_arg(ptr, int); printf("%d", num); }
Options: Error: fun() needs return type,    Error: ptr Lvalue required,    Error: Invalid declaration of fun(...),    No error

Ans:C ,C


How often are BPDUs sent from a layer 2 device?
Options: Never,    Every 2 seconds,    Every 10 minutes,    Every 30 seconds

Ans:B ,B


. Which tab in Font dialog box contain options to apply font effects?
Options: a. Font tab b. Character Spacing c. Text Effects d. Standard Toolbar

Ans: – A , – A


The input and output devices are located away from the central computer facility in which particular type of processing.
Options: Time sharing,    Batch processing,    Interactive mode,    Real time processing

Ans:B ,B


Which of the following is not used as secondary storage
Options: Semiconductor memory,    Magnetic disks,    Magnetic drums,    Magnetic tapes

Ans:A ,A


Which of the following way(s) the information system and capability are related to each other:
Options: improved processing speed,    increased volume of activities,    faster retrieval of information,    All of the above

Ans:D ,D


. Which of the following cannot be toggled from View >> Toolbars?
Options: a.  Control Toolbox b.  Slides c.  Revisions d.  Reviewing

Ans:5 – B ,5 – B


A device that stores one item of information is
Options: Memory element,    Block Compaction,    MDR,    Memory guard

Ans:A ,A


What is a common language that computers use to talk with one another on a network
Options: client,    adapter,    protocol,    operating systems

Ans:C ,C


The rule(s) to follow in constructing decision tables is (are):
Options: a decision should be given a name,    the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.,    standardized language must be used consistently.,    All of the above

Ans:D ,D


The first microprocessor built by the Intel Corpn. was called
Options: 8008,    8080,    4004,    8800

Ans:C,C


What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?
Options: Replacing the ribbon,    Replacing the timing belt,    Adjusting the paper feed tension,    Adjusting the tractor feed tension

Ans:A ,A


Which of the following is required when more than one person uses a central computer at the same time?
Options: terminal,    light pen,    digitizer,    mouse

Ans:A ,A


What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions?
Options: E-mail,    Bulletin board system (BBS),    Teleconferencing,    Videoconferencing

Ans:B ,B

www.000webhost.com