A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.


Options: Modulator,    Demodulator,    Modem,    Decoder

Ans:C,(Canswer


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More Computer Fundamental Related questions:


How to change the order of Slides in Presentation?
Options: On Slide Sorter View, click on the Soft Slides B. On Slide Sorter View, click on the slide and drag to required position C. On Slide Thumbnail view, click on the slide and drag to required position D. Slides order cannot be changed once it created

Ans:– B ,


. Which of the following options is NOT a part of an option group?
Options: a. Option button label b. Option group frame c. Option group label d. Option group button

Ans:– d,– d


What is gutter margin?
Options: a. Margin that is added to the left margin when printing b. Margin that is added to right margin when printing c. Margin that is added to the binding side of page when printing d. Margin that is added to the outside of the page when printing

Ans:– C,– C


Computer memory consists of
Options: RAM,    ROM,    PROM,    All of the above

Ans:D ,D


. If particular workbook have to open each time Excel started, where that workbook should be placed?
Options: AUTOEXEC Folder B. AUTOSTART Folder C. EXCELSTART Folder D. XLSTART Folder

Ans:– D ,


What tool is used to test serial and parallel ports?
Options: high volt probe,    cable scanner,    loop backs (wrap plugs),    sniffer

Ans:C ,C


Without using the mouse or the arrow keys, what is the fastest way of getting to cell A1 in a spreadsheet?
Options: a. Press Ctrl +Home b. Press Home c. Press Shift + Home d. Press Alt + Home

Ans:#8211; a,#8211; a


The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.
Options: Duplicate addresses,    Duplicate pools,    Duplicate subnets,    Duplicate default gateways

Ans:A ,A


How can you totally protect a PC from damage during an electrical storm?
Options: Disconnect the AC power cable,    Disconnect all external cables and power cords,    Use a surge protector,    Turn off the AC power

Ans:A ,A


In a document what is the maximum number of columns that can be inserted in MS Word Table?
Options:  A) 35, B) 15, C) 63, D) 65, 

Ans:-C,-C


What does DMA stand for?
Options: Distinct Memory Access B. Direct Memory Access C. Direct Module Access D. Direct Memory Allocation

Ans:– B ,


An electronic logic gate whose output is logic 0 only when all inputs are logic 1 is
Options: NOR,    NAND,    OR,    NOT

Ans:B ,B


The chunks of a memory are known as
Options: Sector B. Offset C. Page D. Frame

Ans:– D ,


Which of the following are disadvantages of using NAT? Translation introduces switching path delays. Conserves legally registered addresses. Causes loss of end-to-end IP traceability. Increases flexibility when connecting to the Internet. Certain applications will not function with NAT enabled. Reduces address overlap occurrence.
Options: 1, 3 and 5,    3 and 4,    2, 4 and 5,    1 and 3

Ans:A ,A


Floppy disks which are made from flexible plastic material are also called?
Options: hard disks,    high-density disks,    diskettes,    templates

Ans:C ,C


. What happens if you edited an image inserted in PowerPoint?
Options: a.  The original file that was inserted is not changed b.  The original file that was inserted is changed c.  The original file is changed when you save presentation d.  None of above

Ans:5 – A ,5 – A


Because it contains a description of its own structure, a database is considered to be ________ .
Options: described,    metadata compatible,    self-describing,    an application program

Ans:C ,C


A single bus structure is primarily found in
Options: Main frames,    Super computers,    High performance machines,    Mini-and micro-computers

Ans:D ,D


Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer:
Options: TCP/IP,    Protocol,    Open Systems,    Internetwork processor

Ans:D ,D


. In a worksheet you can select
Options: a. The entire worksheet b. Rows c. Columns d. a, b, and c

Ans:– d,– d


. A(n) _____ is a control that, when clicked, executes an action or series of actions.
Options: a. combo box control b. AutoFormat c. Conditional Format d. command button

Ans:0 – d ,0 – d


What will be the output of the program ? #include<stdio.h> int main() { int arr[1]={10}; printf("%d\n", 0[arr]); return 0; }
Options: 1,    10,    0,    6

Ans:B ,B


A device is said to be _____ when it is accessible to, or under the control of, the processor
Options: people,    icons,    information system,    on-line

Ans:D ,D


When data is encapsulated, which is the correct order?
Options: Data, frame, packet, segment, bit,    Segment, data, packet, frame, bit,    Data, segment, packet, frame, bit,    Data, segment, frame, packet, bit

Ans:C ,C


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

Ans:B ,B


84. Which feature do you use to create a newspaper like document?
Options: a. Bullets & numbering b. Tables c. Columns d. Tab stops

Ans:–  C ,–  C


. Which is not an option for customizing a datasheet window?
Options: a. change one row’s height b. hide one column c. change one column’s width d. freeze one column

Ans:– a,– a


Which command is used to delete the directory that is empty?
Options: a. Del *.* b. RD c. Erase d. MD

Ans:Answer: b. RD,Answer: b. RD


Which one of the following statements most accurately reflects the nature of ac power?
Options: The current in an ac circuit flows in one direction, but changes value periodically,    The current in an ac circuit flows in one direction at a steady level,    The current in an ac circuit changes direction periodically,    The current in an ac circuit flows in two directions at the same time

Ans:C ,C


What do you mean by broadcasting in Networking?
Options: It means addressing a packet to all machine B. It means addressing a packet to some machine C. It means addressing a packet to a particular machine D. It means addressing a packet to except a particular machine

Ans:– A ,


.   Block arrows, stars and banners, and callouts are all examples of
Options: a. Different types of children’s building blocks b. Auto Shape categories c. Clip art categories located in the Microsoft Clip Gallery d. More technical terms that I don’t understand

Ans:2 – B ,2 – B


. The shortcut key to open a task manager is:
Options: a. Alt + F1 b. Alt + Ctrl + Delete c. Alt + Tab d. F1

Ans:0 – b ,0 – b


The linking of PCs with a communi¬cations system is referred to as:
Options: workstations,    streaming,    turnkey systems,    networking

Ans:D ,D


When UPC is used, the price of the item is located
Options: on the item,    on the item and on the shelf,    in computer storage,    on the shelf and in computer storage

Ans:D ,D


In laser technology, what happens during the transfer stage?
Options: Residual toner is transferred to the waste receptacle,    The laser transfers the image from the drum to the paper,    The image is transferred from the drum to the paper,    A negative charge is transferred to the surface of the drum

Ans:C ,C


You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?
Options: (config)# ip access-group 110 in,    (config-if)# ip access-group 110 in,    (config-if)# ip access-group Blocksales in,    (config-if)# blocksales ip access-list in

Ans:C ,C


Which of the following is not true about the memory management?
Options: virtual memory is used only in multi-user systems,    segmentation suffers from external fragmentation,    paging suffers from internal fragmentation,    segmented memory can be paged

Ans:A ,A


Which computer has been designed to be as compact as possible?
Options: Mini,    Super computer,    Micro computer,    Mainframe

Ans:C,(Canswer


A computer programmer
Options: does all the thinking for a computer,    can enter input data quickly,    can operate all types of computer equipment,    can draw only flowchart

Ans:A ,A


The channel of distribution is included in the
Options: product ingredient of the marketing mix,    promotion ingredient of the marketing mix,    place ingredient of the marketing mix,    price ingredient of the marketing mix

Ans:C ,C


In one-to-many relationship the table in ‘one’ side is called _______ and on ‘many’ side is called _______
Options: a. Child , Parent b. Parent , Child c. Brother , Sister d. Father , Son

Ans:dash; b,dash; b


In a network with dozens of switches, how many root bridges would you have?
Options: 1,    2,    5,    12

Ans:A ,A


. Which of the following can you change using the page setup dialog box?
Options: a. margins b. page orientation c. vertical alignment d. all of the above

Ans: –  D , –  D


A path by which communication is achieved between a central processor and other devices is called
Options: Audit trail,    Network,    Bus,    Channel

Ans:C,(Canswer


Virtual Memory
Options: is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.,    consists of those addresses that may be generated by a processor during execution of a computation.,    is a method of allocating processor time.,    allows multiple programs to reside in separate areas of core at the time.

Ans:B ,B


What is Hypertext Transfer Protocol (HTTP)?
Options: The protocol to copy files between computers,    The transfer protocol to transfer Web pages to a browser,    The database access protocol for SQL statements,    The hardware/software protocol that limits access to company data

Ans:B ,B


Which of the following transfers data contained on computer cards to the computer system.
Options: Card sorter,    Card reader,    Magnetic disk,    Magnetic tape

Ans:B ,B


The most common input device used today is
Options: Motherboard,   Keyboard,    Scanner,    Mouse

Ans:B,Keyboard


The transistorized computer circuits were introduced in the
Options: First generation,    Second generation,    Third generation,    Fourth generation

Ans:B,B


. Which of the following search criteria is invalid?
Options: a. $45* b. *cal* c. D*m?? d. AS150*

Ans:6 – a ,6 – a

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