What product is used to clean smudged keys on a keyboard?


Options: TMC solvent,    Silicone spray,    Denatured alcohol,    All-purpose cleaner

Ans:D ,D






More Computer Hardware Related questions:


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


 This is the menu command used to apply a design template in PowerPoint.
Options:  Tools -> Slide Design B.  Format -> Slide Design C.  Insert  -> Slide Design D.  Insert -> Slide Design

Ans:– B ,


. Mark I is also known as
Options: A) American Sequence Controlled Calculator B) Automatic Sequence Calculating Controller C) American Sequence Controlled Computer D) Automatic Sequence Controlled Calculator

Ans:D,D


In which mode can 2 or more applications be stored in memory at the same time?
Options: Segmented Mode,    Unprotected Mode,    Real Mode,    Protected Mode

Ans:D ,D


The net charge of a neutral copper atom is
Options: 0,    +1,    -1,    +4

Ans:B ,B


On a dot matrix printer, you should never lubricate which part?
Options: carriage rails,    printhead pins,    paper advance bearings,    carriage bearings

Ans:B ,B


A PC with a 486DX2 processor runs internally at SOMhz. What speed would its external logic be running?
Options: l0Mhz,    25Mhz,    50Mhz,    100 Mhz

Ans:B ,B


Network 206.143.5.0 was assigned to the Acme Company to connect to its ISP. The administrator of Acme would like to configure one router with the commands to access the Internet. Which commands could be configured on the Gateway router to allow Internet access to the entire network? Gateway(config)# ip route 0.0.0.0 0.0.0.0 206.143.5.2 Gateway(config)# router rip Gateway(config-router)# network 206.143.5.0 Gateway(config-router)# network 206.143.5.0 default
Options: 1 only,    3 only,    1, 2 and 4,    1 and 4

Ans:D ,D


A subtype entity name should be which of the following?
Options: A singular noun,    Specific to the organization,    Concise,    All of the above

Ans:D ,D


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


. Following IC chip integrates 100 thousands electronic components per chip
Options: A) SSI B) MSI C) LSI D) VLSI

Ans:1-C,1-C


. What program runs first aftercomputer is booted and loading GUI?
Options: a. Desktop Manager b. File Manager c. Windows Explorer d. Authentication

Ans: d, d


Which internal DOS command clears the screen and places the DOS prompt in the upper left corner of the screen?
Options: cls,    close,    quit,    exit

Ans:A ,A


Which of the following is not process states?
Options: New B. Running C. Ready D. Finished

Ans:– D ,


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

Ans:– D ,


. For _________ data to be useful, both the sender and the receiver need to be able to read and use the data.
Options: a. standardized b. fixed c. delimited d. shared

Ans:2 – d ,2 – d


80. You cannot close MS Word application by
Options: a. Choosing File menu then Exit submenu b. Press Alt+F4 c. Click X button on title bar d. From File menu choose Close submenu

Ans:– D ,– D


The section of the CPU that selects, interprets and sees to the execution of program instructions
Options: Memory,    Register unit,    Control unit,    ALU

Ans:C,(Canswer


The slide that is used to introduce a topic and set the tone for the presentation is called the
Options: a. table slide b. graph slide c. bullet slide d. title slide

Ans: – D , – D


. When you press and release the secondary mouse button you are ….
Options: a. Right clicking b. Left clicking c. Either a or b d. None of above

Ans:6 – a ,6 – a


_____ formatting is the process of changing the way letters, numbers, punctuation marks, and symbols appear on the screen and in print.
Options: a. Document b. Character c. Paragraph d. Object

Ans:– B,– B


Which command would you place on interface on a private network?
Options: ip nat inside,    ip nat outside,    ip outside global,    ip inside local

Ans:A ,A


Which of the following would not be a major deliverable of the structured systems analysis phase.
Options: data dictionaries,    data flow diagrams,    entity relationship diagrams,    prototype model

Ans:D ,D


What will be the output of the program? #include<stdio.h> int main() { char huge *near *far *ptr1; char near *far *huge *ptr2; char far *huge *near *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(*ptr2), sizeof(**ptr3)); return 0; }
Options: 4, 4, 4,    2, 4, 4,    4, 4, 2,    2, 4, 8

Ans:A ,A


Which of the following is not characteristic of a relational database model?
Options: tables,    treelike structure,    complex logical relationships,    records

Ans:B ,B


A _____ is a formalized computer information system that can integrate data from various sources to provide the information necessary for management decision making.
Options: prompt,    passwords,    MIS,    Tactical

Ans:C ,C


A record management system
Options: a. can handle many files of information at a time b. can be used to extract information stored in a computer file c. always uses a list as its model d. both a and b 

Ans:.b,.b


Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is
Options: Manual control,    Mapping,    Shift register,    ALU

Ans:A ,A


Which of the following commands is used to copy directory structures in and out
Options: cp,    cpio,    cp - p,    copy

Ans:B ,B


. What do we call a computer program that organizes data in rows and columns of cells? You might use this type of program to keep a record of the money you earned moving lawns over the summer.
Options: a. Spreadsheet program b. Database program c. Word processor program d. Desktop publisher program

Ans:– a,– a


Which of the following is not one of the three primary functions that on-line direct-access systems can serve?
Options: inquiry,    backup,    update,    programming

Ans:B ,B


. How do you rearrange the data in ascending or descending order?
Options: Data, Sort B. Data, Form C. Data, Table D. Data Subtotals

Ans: – A ,


. Comments put in cells are called …..
Options: a. Smart Tip b. Cell Tip c. Web Tip d. Soft Tip

Ans:– b,– b


A lockbox service is used for
Options: depositing cash when bank is closed,    paying bank customer bills automatically,    storing papers in a bank vault,    depositing payments to bank customers

Ans:D ,D


. What is the maximum length a text field can be?
Options: a. 120 b. 255 c. 265 d. 75

Ans:8 – b ,8 – b


ILLIAC is a
Options: Super computer,    Mini computer,    Mainframe computer,    Micro computer

Ans:A ,A


. Which command will you use to display the system date?
Options: a. Date b. Ver c. Dir d. Format

Ans:4 – a ,4 – a


Which field type will you select when creating a new table if you require to enter long text in that field?
Options: a. Text b. Memo c. Currency d. Hyperlink

Ans:ndash; b,ndash; b


In MS-Word, for what does ruler help?
Options: to set tabs B. to set indents C. to change page margins D. All of the above

Ans:– D ,


Which of the following might be used to convert high-level language instructions into machine language?
Options: system software,    applications software,    an operating environment,    an interpreter

Ans:D ,D


Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91?
Options: 200 W,    1000 W,    20 W,    100 W

Ans:A ,A


The coordinate system used to describe a workpiece:
Options: is always two-dimensional,    changes from part to part,    is defined with respect to a point on the machine,    All of the above

Ans:C ,C


What is the maximum distance with maximum data rate for 802.11b?
Options: About 65-75 feet,    About 90-100 feet,    About 150 feet,    Over 200 feet

Ans:C ,C


Which of the following is true concerning open-source DBMS?
Options: Is free or nearly free database software whose source code is publicly available,    Is free or nearly free database software whose source code is not publicly available,    Is not competitive against PC-oriented packages and is fully SQL compliant,    Is competitive against PC-oriented packages and is not fully SQL compliant

Ans:A ,A


A file organization component of a VSAM file is:
Options: relative record data set,    keyed sequential data set,    entry sequential data set,    all of the above

Ans:D ,D


Changing cardinalities in a database is:
Options: a common database design task.,    a rare database design task, but does occur.,    a database design task that never occurs.,    is impossible to do, so a new database must be constructed and the data moved into it.

Ans:A ,A


Which is the most difficult environmentally to dispose of?
Options: floppy drives,    hard drives,    power supplies,    CRTs

Ans:D ,D


. Which of the following is the default join between two recordsets?
Options: a. Inner join b. Left outer join c. Right outer join d. Self join

Ans:2 – a ,2 – a


. The control unit of a microprocessor
Options: A) Stores data in the memory B) Accepts input data from keyboard C) Performs arithmetic/logic function D) None of above

Ans:D,D


Features of XML include which of the following?
Options: The tags are used to describe the appearance of the content.,    Addresses the structuring and manipulation of the data involved.,    Governs the display of information in a Web browser.,    All of the above.

Ans:B ,B

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