Bring a page into memory only when it is needed is called


Options: Demand Memory B. Demand Paging C. Page Fault D. Page Segmentation

Ans:– B ,






More Operating System Related questions:


One of the three most common types of payment systems is the
Options: pinion fund transaction system,    travel expense reimbursement system,    accounts payable system,    All of the above

Ans:D ,D


Primitive operations common to all record management systems include
Options: Print,    Sort,    Look-up,    All of the above

Ans:C ,C


What is your first action when windows reports that your hard drive is developing bad sectors?
Options: replace the hard drive,    run secclean from dos,    run defrag on the hard drive,    run scandisk with the "thorough" option

Ans:D ,D


When using SQL*Plus, Oracle commands, column names, table names and all other database elements:
Options: are case insensitive.,    are case sensitive.,    must always be in lower case.,    must always be in upper case.

Ans:A ,A


When creating a pool of global addresses, which of the following can be used instead of the netmask command?
Options: / (slash notation),    prefix-length,    no mask,    block-size

Ans:B ,B


. Scandisk analyze and repair damage to which of the following?
Options: a. Physical clusters b. FAT c. Lost clusters d. All of the above

Ans:6 – d ,6 – d


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

Ans:C ,C


What causes the depletion layer?
Options: Doping,    Recombination,    Barrier potential,    Ions

Ans:C ,C


The total impedance of a series RLC circuit:
Options: is minimum at the resonant frequency,    always increases as the applied frequency increases,    always decreases as the applied frequency increases,    is maximum at the resonant frequency

Ans:A ,A


The following process determines the amount of memory present, the date/ time, and which communications ports and display adapters are installed in a microcomputer?
Options: Start-up utility test,    Power on Self Test,    Power up boot process,    Power on start up process

Ans:B ,B


What is the frequency range of the IEEE 802.11b standard?
Options: 2.4Gbps,    5Gbps,    2.4GHz,    5GHz

Ans:C ,C


Which of the following does not affect the resolution of a video display image?
Options: bandwidth,    raster scan rate,    vertical and horizontal lines of resolution,    screen size

Ans:D ,D


Silicon atoms combine into an orderly pattern called a
Options: Crystal,    Covalent bond,    Semiconductor,    Valence orbit

Ans:A ,A


. WAN stands for
Options: A) Wap Area Network B) Wide Area Network C) Wide Array Net D) Wireless Area Network

Ans:5-B,5-B


An on-line commercial site such as Amazon.com is an example of a(n) ________ .
Options: single-user database application,    multiuser database application,    e-commerce database application,    data mining database application

Ans:C ,C


A menu-driven system
Options: can be used only by computer professionals,    is required only for on-line systems,    increases the operator's work,    presents options and allows the user to make selections

Ans:D ,D


The interactive transmission of data within a time sharing system may be best suited to
Options: simplex lines,    half-duplex lines,    full-duplex lines,    biflex-line

Ans:B ,B


The greatest change as a result of CAD/CAM is taking place in which industry?
Options: Medical,    Aerospace,    Electronics,    Cartography

Ans:C ,C


_____ tool allows you to change your default X Window desktop.
Options: utilinux,    cempre,    switchdesk,    window

Ans:C ,C


What will the function rewind() do?
Options: Reposition the file pointer to a character reverse.,    Reposition the file pointer stream to end of file.,    Reposition the file pointer to begining of that line.,    Reposition the file pointer to begining of file.

Ans:D ,D


If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?
Options: 500 bps,    1500 bps,    5 bps,    1000 bps

Ans:D ,D


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

Ans:A ,A


. What was the expected feature of fifth generation computers when Japan started FGCS?
Options: A) Operating Systems B) Paralled Processing C) ULSI D) None of above

Ans:B,B


Punched-card equipment was first introduced in Britain in 1904 by a small company. What was the name of that company?
Options: The Tabulator Ltd.,    Tabulator Machine Company,    International Business Machines (IBM),    Accounting & Tabulating Corpn. of Great Britain

Ans:A ,A


. What is the name of the feature that will allow you to take a step backward if you’ve made a mistake?
Options: a. Redo b. Cancel c. Undo d. Backspace

Ans: – C , – C


. What do you call the translator which takes assembly language program as input & produce machine language code as output?
Options: A) Compiler B) Interpreter C) Debugger D) Assembler

Ans:1-D,1-D


Which set option is used with vi editor to display line numbers on screen?
Options: nm,    nu,    ic,    li

Ans:B ,B


Which of the following tool enables you to add text to a slide without using the standard placeholders?
Options: a. Text tool box b. Line tool c. Drawing tool d. Auto shapes tool

Ans: – A , – A


A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current?
Options: 7.8 mA,    208 mA,    200 mA,    300 mA

Ans:B ,B


Credit checking is done in the
Options: order processing system,    quotation system,    order entry system,    any of the above

Ans:C ,C


The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?
Options: 0.25,    180,    0.5,    4

Ans:C ,C


Which one of the following is true regarding VLANs?
Options: Two VLANs are configured by default on all Cisco switches.,    VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.,    You should not have more than 10 switches in the same VTP domain.,    VTP is used to send VLAN information to switches in a configured VTP domain.

Ans:D ,D


No computer can do anything without a
Options: program,    memory,    chip,    output device

Ans:A ,A


Which DOS command is used to remove and scan memory and disk from viruses?
Options: MSAV,    DEFRAG,    SCANDISK,    VSAFE

Ans:A ,A


. What is the shortcut key to insert a new comment in a cell?
Options: a. F2 b. Alt + F2 c. Ctrl + F2 d. Shift + F2

Ans:– d,– d


If you want to group the records in the abc database, you could use the Jobcode as the _____.
Options: Delete,    Update,    Sort Key,    Index

Ans:C ,C


Which is a semi conductor memory?
Options:  Dynamic B.  Static C.  Bubble D.  Both a & b

Ans:– D ,


. When was the first electro-mechanical computer developed?
Options: A) 1880 B) 1990 C) 1944 D) None of above

Ans:C,C


. While creating relationship, when you drag a field of a field to drop into another table the mouse pointer changes into
Options: a. A doctor’s sign b. Thin + sign c. Outline rectangle d. None of above

Ans:9 – c ,9 – c


. Why ABC is considered electro-mechanical computer?
Options: A) Because it was invented before electronic computers were developed B) Because there are wheels, drums, bars to rotate and move to produce result C) Because they use the flow of electrons in different component D) None of above

Ans:B,B


The equivalent of 1 kV is:
Options: 1.00 V,    1000 V,    100 mV,    1000 mV

Ans:B ,B


The ls -l command tells
Options: who the owner of the file is,    the name of the group owner of the file,    how large the file is and when the file was last modified.,    All of the above

Ans:D ,D


. Home Key
Options: Moves the cursor beginning of the document B. Moves the cursor beginning of the paragraph C. Moves the cursor beginning of the screen D. Moves the cursor beginning of the line

Ans:– D ,


. Which of the following is a Data Model?
Options: Entity-Relationship model B. Relational data model C. Object-Based data model D. All of the above

Ans: – D ,


. The number of character contained in primary name (DOS)?
Options: a. Up to 8 characters b. 3 characters c. Up to 10 characters d. None of the above

Ans: a, a


. A series of MS-DOS Commands can be performed by
Options: Typing all the commands Prompt in series by adding hyphen (-) B. Copying all the commands into single Directory C. Creating BAT File D. This is not possible in MS-Dos

Ans:– C ,


Which of the following systems implementation approaches should be used if you want to run the old system and the new system at the same time for a specified period?
Options: direct,    pilot,    parallel,    phased

Ans:C ,C


When desk-checking an algorithm, you should set up a table that contains _____.
Options: One column for each input item,    One column for each output item,    One column for each processing item,    Both a and b

Ans:E ,E


ASCII stands for
Options: American standard code for information interchange,    All purpose scientific code for information interchange,    American security code for information interchange,    American Scientific code for information interchange

Ans:A ,A


FDDI is a
Options: ring network,    star network,    mesh network,    bus based network

Ans:A ,A

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