The most common input device used today is

Options: Motherboard,   Keyboard,    Scanner,    Mouse



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

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More Computer Fundamental Related questions:

. How do you change column width to fit the contents?
Options: a. Single-click the boundary to the left to the column heading b. Double click the boundary to the right of the column heading c. Press Alt and single click anywhere in the column d. All of above

Ans:– b,– b

. Which of the following is true?
Options: A) Fields are composed of bytes B) Records are composed of fields C) Fields are composed of characters D) All of above


The complexity of Bubble sort algorithm is
Options: A)O(n) b.O(log n) c.O(n2) d.O(n log n)

Ans:C, O(n2)

Which of the following are the building blocks of all the circuits in a computer.
Options: Circuit switch,    Logic gates,    Logical Operators,    Instructions

Ans:B ,B

How many layers does OSI Reference Model has?
Options:  4 B.  5 C.  6 D.  7

Ans:– D ,

You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?
Options: The router is not configured for the new host.,    The VTP configuration on the switch is not updated for the new host.,    The host has an invalid MAC address.,    The switch port the host is connected to is not configured to the correct VLAN membership.

Ans:D ,D

Which access method is used for obtaining a record from a cassette tape
Options: direct,    sequential,    random,    All of the above

Ans:B ,B

A stack pointer is 
Options: a . a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b . a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d . a register in which flag bits are stored


Match the device driver HIMEM.SYS to its operation.
Options: Supports (ANSI) terminal emulation,    Manages the use of extended memory,    Uses expanded memory on a 80386 processor,    Supports code page switching

Ans:B ,B

. This is the menu command used to apply a design template in PowerPoint.
Options: a. Tools -> Slide Design b. Format -> Slide Design c. Insert -> Slide Design d. Insert -> Slide Design

Ans:7 – B ,7 – B

.   Which of the following can you format using buttons on the formatting toolbar?
Options: a. Your hard drive b. Format painting c. Font color d. Underlining

Ans:8 – D ,8 – D

By default a real number is treated as a
Options: float,    double,    long double,    far double

Ans:B ,B

What is the output of the program? #include<stdio.h> int main() { union a { int i; char ch[2]; }; union a u;[0] = 3;[1] = 2; printf("%d, %d, %d\n",[0],[1], u.i); return 0; }
Options: 3, 2, 515,    515, 2, 3,    3, 2, 5,    None of these

Ans:A ,A

. Which file is transferred when computer is start up?
Options: a. Document b. Program files c. Operating system d. System files

Ans:8 – d ,8 – d

.   Which of the following fill effects can you use for the slide background?
Options: a. Gradient b. Texture c. Picture d. All of the above

Ans:7 – D ,7 – D

. The _____, or typeface, defines the appearance and shape of letters, numbers, and special characters.
Options: a. font b. font size c. point d. paragraph formatting

Ans:– A,– A

3. Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screen full of the information?
Options: a. Tree b. Deltree/f c. Dir | more d. Tree | more

Ans:Correct Answer: d ,Correct Answer: d

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


On the feasibility committee, department representatives serve as:
Options: direct users of the new system,    liaison to their departments,    ready sources of information,    All of the above

Ans:D ,D

. Which of the following is not a video file extension?
Options: a. .avi b. .wav c. .mpeg d. .mov

Ans:1 – b ,1 – b

You can place an ISA device in an EISA slot.
Options: True,    False,    ,    

Ans:A ,A

The method of solid modeling that defines the topology of faces, edges, and vertics, as well as data that defines the surface in which each face lies is called:
Options: constructive solid geometry,    layering,    boundary representation,    isometric

Ans:C ,C

A distributed data processing configuration in which all activities must pass through a centrally located computer is called a:
Options: ring network,    spider network,    hierarchical network,    data control network

Ans:B ,B

. When you quickly press and release the left mouse button twice you are
Options: a. Primary clicking b. Pointing c. Double clicking d. Secondary clicking

Ans:1 – c ,1 – c

Which of the following statements is true concerning JDBC?
Options: It is language independent.,    It is similar in concept to ODBC.,    It is useful for all object-oriented languages.,    It consists of three main layers.

Ans:B ,B

. A command to remove a relation from an SQL database
Options: Delete table <table name> B. Drop table <table name> C. Erase table <table name> D. Alter table <table name>

Ans: – B ,

. Plotter accuracy is measured in terms of repeatability and
Options: A) Buffer size B) Resolution C) Vertical dimensions D) Intelligence


Communication using a modulated carrier to apply a data signal to a transmission medium in analog form is
Options: Local area network,    Modem,    Base band networking,    Broad band networking

Ans:D ,D

Which are considered the methods of NAT? Static IP NAT pool Dynamic NAT double-translation Overload
Options: 1 and 6,    3 only,    1, 3 and 5,    All of the above

Ans:C ,C

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

Hyperlinks can be
Options: a. Text b. Drawing objects c. Pictures d. All of above

Ans:#8211; d,#8211; d

47. If you want to convert a symbol or several lines of text into an AutoCorrect entry, you should:
Options: a. Insert the symbol or type the text in a Word document first. Then, select the text or symbol and go to the AutoCorrect dialog box. b. Click the Tools menu and choose AutoCorrect Options. Then, click the Insert menu and choose Symbol (or click the Format menu and choose Paragraph) to add the symbol or paragraph to AutoCorrect. c. AutoCorrect can only accommodate one line of text. It is not possible to convert a symbol or multiple lines of text into an AutoCorrect entry. d. Insert the symbol or type the text in a Word document first. Then, select the text or symbol and click the Edit menu followed by Paste Special. Select New AutoCorrect Entry and then click OK.

Ans:– A ,– A

. Which of the following field properties displays a model or pattern for entering data?
Options: a. Field Size b. Format c. Input Mask d. Validation Rule

Ans:6 – c ,6 – c

.   Press animation effects allows you to
Options: a. Add clip art images to your slides b. Create a custom transition to the next slide c. Show bullet items as they are discussed d. None of above

Ans:3 – C ,3 – C

Benefits from a computerised MIS include:
Options: higher returns on short-term investments,    less frequent and smaller short-term loans,    lower rates of interest,    All of the above

Ans:D ,D

You have a system that periodically locks up. You have ruled out software, and now suspect that it is hardware. What should you do first that could help you narrow it down to the component at fault?
Options: rotate the RAM,    replace the RAM,    replace the level 2 cache SIMM,    disable the CPU cache in CMOS

Ans:D ,D

Communication circuits that transmit data in both directions but not at the same time are operating in
Options: a simplex mode,    a half-duplex mode,    a full-duplex mode,    an asynchronous mode

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

Difficult of MIS implementation is affected by
Options: employee attitude,    the firm's objectives,    the firm's existing MIS,    All of the above

Ans:D ,D

. LSI, VLSI & ULSI chips were used in which generation?

Options: A) First B) Second C) Third D) Fourth


Sequential file organization is most appropriate for which of the following applications?
Options: grocery-store checkout,    bank checking accounts,    payroll,    airline reservations

Ans:C ,C

. What is the quickest way to select entire worksheet?
Options: a. Choose Edit -> Select all from the Menu b. Click on the first column, press Ctrl, and then click on the last column c. Click on the first column, press Shift, and then click on the last column d. Click on the rectangle box on the upper left corner where column headings and row headings meet

Ans:– d,– d

Changes to the data base are made only with
Options: proper departmental security codes,    proper individual passwords,    both (a) and (b),    neither (a) nor (b)

Ans:C ,C

. The handout master contains placeholders for all of the following except
Options: a. Slide number b. Title c. Footer d. Header

Ans:9 – B ,9 – B

A microprocessor unit, a memory unit, and an input/output unit form a:
Options: CPU,    compiler,    microcomputer,    ALU

Ans:C ,C

How many address lines are needed to address each memory locations in a 2048 x 4 memory chip?
Options: a. 10 b. 11 c. 8 d. 12 


Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101?
Options: 155, 0x9B,    157, 0x9D,    159, 0x9F,    185, 0xB9

Ans:B ,B

You are editing an worksheet that you had previously saved. If you want to save the edited sheet without losing the original one, which command should you use?
Options: New B. Save As C. Edit D. Save

Ans:– B ,

. The least significant bit of the binary number, which is equivalent to any odd decimal number, is:

Options: A) 0 B) 1 C) 1 or 0 D) 3


The 2's complement number of 110010 is
Options: 001101,    110011,    010011,    All of the above

Ans:E ,E