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


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

Ans:D ,D


Description: Section 1

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

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More Computer Hardware Related questions:


The new organization established to implement the Fifth Generation Project is called:
Options: ICOT (Institute for New Generation Computer Technology),    MITI (Ministry of International Trade and Industry),    MCC (Microelectronics and Computer Technology Corporation),    SCP (Stategic Computing Program)

Ans:A ,A


The current trend, of computer usage is mainly interactive; the trend, earlier, was
Options: batch processing,    parallel processing,    random processing,    multi-task processing

Ans:A ,A


Locks placed by command are called ________ .
Options: implicit locks,    explicit locks,    exclusive locks,    shared locks

Ans:B ,B


A character that is raised and smaller above the baseline is known as
Options:  A) Outlined, B) Raised, C) Superscript, D) Subscript,

Ans:-C,-C


A memory bus is mainly used for communication between
Options: processor and memory,    processor and I/O devices,    I/O devices and memory,    input device and output device

Ans:A,A


. Slides can have
Options: a. title, text, graphs b. drawn objects, shapes c. clipart, drawn art, visual d. any of the above

Ans:9 – D ,9 – D


A  Animation Schemes can be applied to ________ in the presentation.
Options: a. All slides, B. Select slides, C. Current Slide, D. All of the above

Ans:D ,All of the above


Which of the following is a graphical input device?
Options: light pen,    keyboard,    mouse,    Track ball

Ans:A ,A


Which one of the following statements is true for current flowing in a series circuit?
Options: The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it,    The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit,    The same current flows through every part of a series circuit,    The total current in a series circuit is equal to the total voltage multiplied by the total resistance

Ans:C ,C


. The silicon chips used for data processing are called
Options: A) RAM chips B) ROM chips C) Micro processors D) PROM chips

Ans:C,C


A data warehouse is which of the following?
Options: Can be updated by end users.,    Contains numerous naming conventions and formats.,    Organized around important subject areas.,    Contains only current data.

Ans:C ,C


Which of the following is a secondary memory device?
Options: Keyboard,    Disk,    ALU,    All of the above

Ans:B ,B


A distributed database can use which of the following strategies?
Options: Totally centralized at one location and accessed by many sites,    Partially or totally replicated across sites,    Partitioned into segments at different sites,    All of the above

Ans:D ,D


A _____ decision is routine one that's made following the completion of a preplanned series of steps.
Options: strategic,    structured,    simulation,    tactical

Ans:B ,B


Assume integer is 2 bytes wide. What will be the output of the following code? #include<stdio.h> #include<stdlib.h> #define MAXROW 3 #define MAXCOL 4 int main() { int (*p)[MAXCOL]; p = (int (*) [MAXCOL])malloc(MAXROW *sizeof(*p)); printf("%d, %d\n", sizeof(p), sizeof(*p)); return 0; }
Options: 2, 8,    4, 16,    8, 24,    16, 32

Ans:A ,A


In order to combat foreign competition, U.S. companies are:
Options: automating,    ignoring the situation,    seeking import tariffs,    decreasing the salaries

Ans:A ,A


. A __ name must be unique within a database
Options: a. Table b. Field c. Record d. Character

Ans:5 – a ,5 – a


Shaping teaching techniques to fit the learning patterns of individual students is the goal of:
Options: decision support,    automatic programming,    intelligent computer-assisted instruction,    expert systems

Ans:C ,C


To set a register or counter to the all-zero-state is
Options: Rerun,    Reset,    Remote,    Release

Ans:B ,B


Synchronous protocols
Options: transmit characters one at a time,    allow faster transmission than asynchronous protocols do,    are generally used by personal computers,    are more reliable

Ans:B ,B


. Which of the following is true regarding Referential Integrity?
Options: Every primary-key value must match a primary-key value in an associated table B. Every primary-key value must match a foreign-key value in an associated table C. Every foreign-key value must match a primary-key value in an associated table D. Every foreign-key value must match a foreign-key value in an associated table

Ans: – C ,


. Which of the following can be use as slide background?
Options: a. Gradient b. Texture c. Picture d. All of the Above

Ans:7 – D ,7 – D


.   The best way to insert a new slide in a presentation is to use the
Options: a. Normal view b. Special view c. Slide show view d. Slide sorter view

Ans:4 – D ,4 – D


If you wanted administrators to see a message when logging into the router, which command would you use?
Options: message banner motd,    banner message motd,    banner motd,    message motd

Ans:C ,C


A 'number crunching' computer is one that can handle
Options: large spreadsheets,    large alphanumeric data,    large volume of numbers,    only numbers

Ans:C ,C


Which of the following require large computer memory?
Options: Imaging,    Graphics,    Voice,    All of the above

Ans:D ,D


The symbols used in describing the syntax of a programming language are
Options: 0,    {},    "",    <>

Ans:D ,D


General ledger is also referred to as:
Options: main ledger,    extra ledger,    nominal ledger,    All of the above

Ans:C ,C


Which menu provides you options like Animation Scheme, custom Animation, Slide Transition?
Options: a. Insert Menu b. Format Menu c. Tools Menu d. Slide Show Menu

Ans: – D , – D


. Format a:/s will do
Options: a. Formats and then transfers system file b. Formats with verification c. Formats and scans the disk d. None of above

Ans:8 – a ,8 – a


Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files?
Options: -l,    -d,    -r,    -b

Ans:A ,A


Instruction in computer languages consists of
Options: A) OPCODE B) OPERAND C) Both of above D) None of above

Ans:-C,-C


A distributed database is which of the following?
Options: A single logical database that is spread to multiple locations and is interconnected by a network,    A loose collection of file that is spread to multiple locations and is interconnected by a network,    A single logical database that is limited to one location.,    A loose collection of file that is limited to one location.

Ans:A ,A


Which part interprets program instructions and initiate control operations.
Options: Input,    Storage unit,    Logic unit,    Control unit

Ans:D ,D


Which one of the following statements is true for the voltages in a series RL circuit?
Options: The total voltages is equal to the sum of the voltages across the resistance and inductance,    The voltage always has the same amplitude and phase for every part of the circuit,    The total voltage is less than the sum of the voltages across the resistance and inductance,    The total voltage lags the total current by less than 90

Ans:C ,C


. Which is the first program run on a computer when the computer boots up?
Options: a. System software b. Operating system c. System operations d. None

Ans: b, b


. MICR stands for
Options: A) Magnetic Ink Character Reader B) Magnetic Ink Code Reader C) Magnetic Ink Cases Reader D) None

Ans:A,A


What will be the output of the program under DOS? #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,    4, 2, 2,    2, 8, 4,    2, 4, 8

Ans:B ,B


The Average case occur in linear search algorithm
Options: a. When Item is somewhere in the middle of the array b. When Item is not in the array at all c. When Item is the last element in the array d. When Item is the last element in the array or is not there at all  

Ans:a,a


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

Ans:A ,A


Ambiguity may be caused by:
Options: syntactic ambiguity,    multiple word meanings,    unclear antecedents,    All of the above

Ans:D ,D


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

Ans:C ,C


_______ controls all the main slide control tasks for your presentation.
Options: a. Task Pane b. Task Bar c. Control Panel d. None of above

Ans:– A ,– A


. We can remove a relationship defined between two tables by
Options: a. From edit menu choose delete relationship b. Select the relationship line and press delete c. Choose delete option from relationship menu d. All of above

Ans:4 – b ,4 – b


Software that's loaded into a computer primary storage area is known as
Options: Memory-resident package,    File management system,    Electronic spread sheet program,    Utilities

Ans:A ,A


You can use the drag and drop method to
Options: a. Copy cell contents b. Move cell contents c. Add cell contents d. a and b

Ans:#8211; d,#8211; d


68. Uppercase on Change Case dialog box and All Caps on Fonts dialog box both converts selected text into Capital Letters. What’s the difference between the two?
Options: a. Both are same. They are only two different ways of capitalize text. b. It is faster to convert from Change Case than from Font dialog box c. Change Case makes conversion permanent but All Caps on Font can always be reverted d. All Caps on Font dialog box makes the change permanent where Change Case can be always reverted

Ans:– C ,– C


Nassi - schneiderman charts
Options: are being replaced by flowcharts,    often describe over lapping control structures,    are made up of boxes within boxes,    both (a) and (c)

Ans:C ,C


. Which command is used to open the directory?
Options: a. Open b. Chdir c. Move d. All of above

Ans:2 – b ,2 – b


. The qualitative or quantitative attribute of a variable or set of variables is termed as
Options: A) data B) information C) both of above D) none of above

Ans:6-A,6-A

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