Can you tell what passes into and out from the computer via its ports?

Options: Data,    Bytes,    Graphics,    Pictures



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

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More Computer Fundamental Related questions:

. To use your keyboard instead of the mouse to select tools on the ribbon, you display the KeyTips by pressing the _____________key?
Options: a. Alt b. Ctrl c. Shift+Enter d. Alt+Enter

Ans:– A,– A

As a general rule.
Options: MIS performance criteria determine management information needs, and these needs determine the objectives of the firm.,    the firm's objective determine management information needs, and these needs determine MIS performance criteria,    management information needs determine MIS performance criteria, and these criteria determine the firm's objectives,    the firm's objectives determine MIS performance criteria, and these criteria determine manage¬ment information needs.

Ans:B ,B

What should he used to extinguish a computer fire?
Options: fire hose,    class a extinguisher,    class c extinguisher,    silver foam water

Ans:C ,C

You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?
Options: Managed hubs,    Bridges,    Switches,    Switches configured with VLANs

Ans:D ,D

Point out the error in the following program. #include<stdio.h> #include<stdarg.h> int main() { void display(char *s, int num1, int num2, ...); display("Hello", 4, 2, 12.5, 13.5, 14.5, 44.0); return 0; } void display(char *s, int num1, int num2, ...) { double c; char s; va_list ptr; va_start(ptr, s); c = va_arg(ptr, double); printf("%f", c); }
Options: Error: invalid arguments in function display(),    Error: too many parameters,    Error: in va_start(ptr, s);,    No error

Ans:C ,C

When you boot a PC and don't hear any beep, this could suggest which of the following?
Options: The monitor is turned off,    Keyboard not plugged in,    Normal PC boot,    Bad or disconnected speaker

Ans:D ,D

The earliest device that qualifies as a digital computer is
Options: EDSAC,    Abacus,    ENIAC,    EDVAC

Ans:B ,B

What do you call the programs that are used to find out possible faults and their causes?
Options: Operating system extensions B. Cookies C. Diagnostic software D. Boot diskettes

Ans:– C ,

. What is a form in MS Access
Options: a. It is a printed page where users will write their data to fill it up b. It is an input screen designed to make the viewing and entering data easier c. This is an important part of database used by analysts to draw conclusions d. All of above

Ans:6 – b ,6 – b

How can you disable extended selection mode?
Options: a. Press F8 again to disable b. Press Del to disable c. Press Esc to disable d. Press Enter to disable

Ans:– C,– C

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

Ans:C ,C

. The basic elements of a form or a report are called:
Options: a. Controls b. Objects c. Windows d. Properties

Ans:– a,– a

A relocate program form is the one which
Options: cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation,    consists of a program and relevant information for its relocation,    can itself perform the relocation of its address-sensitive portions,    All of the above

Ans:B ,B

In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.
Options: absolute mode,    immediate mode,    index mode,    modulus mode

Ans:A ,A

.   to add a new row to a table you would
Options: a. click the insert rows command on the insert menu b. press the enter key c. click the insert rows button on the standard toolbar d. none of the above

Ans:8 – D ,8 – D

A systems theory of management includes
Options: the manager as the control mechanism,    the use of both environmental and internal information describing what should be achieved,    the use of objectives or standards of performance describing what is being achieved,    All of the above

Ans:A ,A

To select an entire column in MS-EXCEL, press?
Options: CTRL + C B. CTRL + Arrow key C. CTRL + S D. None of the above

Ans:– D ,

Localizing an object in an image and selectively analyzing the object in a series of redundant layers is referred to as the:
Options: Turing test,    pyramid,    Gaussian pyramid,    Maxwell pyramid

Ans:C ,C

Which two commands enable you to move between directories?
Options: CD,    CHDIR,    MOVE,    MOVE DIR

Ans:A ,A

When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the:
Options: first step.,    second step.,    third step.,    fourth step.

Ans:C ,C

Most of the time, modification anomalies are serious enough that tables should be normalized into:
Options: 1NF.,    2NF.,    3NF.,    BCNF.

Ans:D ,D

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

. Who designed the first electronics computer ? ENIAC/
Options: A) Von Neumann B) Joseph M Jacquard C) J. P. Eckert and J. W. Mauchly D) All of above


. You were giving your presentation, and you need to click a slide that’s few slides back. How do you get there?
Options: a. Press ESC to get back into a normal view; click the slide thumbnail in normal view; then click the resume slide show button b. Press backspace until your desired slide c. Right click, point to go on the shortcut menu, point to by title, and click the slide you want to go to d. All of above

Ans:6 – C ,6 – C

What does OSS stand for?
Options: Open System Software,    Original Source Software,    Open Source Software,    Original System Server

Ans:C ,C

Which of the following operations can be performed on the file "NOTES.TXT" using the below code? FILE *fp; fp = fopen("NOTES.TXT", "r+");
Options: Reading,    Writing,    Appending,    Read and Write

Ans:D ,D

Which of the following functions is/ are performed by the loader?
Options: Allocate space in memory for the programs and resolve symbolic references between object decks,    Physically place the machine instructions and data into memory,    Adjust all address dependent locations, such as address constants, to correspond to the allocated space,    All of the above

Ans:D ,D

In a punched card system, data is processed by a
Options: keypunch machine, sorter, and posting machine,    accounting machine, posting machine, and billing machine,    sorter, posting machine, and billing machine,    accounting machine, keypunch machine, and sorter


What happens when you insert an AutoShape by simply clicking in the document?
Options: it appears near the insertion point B. it is inserted in its default size C. is selected D. all of the above

Ans: – C ,

The Register - to - Register (RR) instructions
Options: have both their operands in the main store.,    which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also written into the specified storage location.,    which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.,    all of the above

Ans:C ,C

. What’s the best place to find animated images for your PowerPoint 2002 presentation?
Options: a. Microsoft online b. Word clipart c. PowerPoint tools and ins d. All of the above

Ans:0 – B ,0 – B

Auto clipart is a feature that
Options: a. Automatically places clipart in your presentation b. Scans your presentation for incorrect spelling in your words on each slide c. Scans your presentation for incorrect spelling in Word Arts objects d. All of above

Ans: – D , – D

. Which of the following is an example of a real time operating system?
Options: a. Lynx b. MS DOS c. Windows XP d. Process Control

Ans: d, d

Which of the following appropriately explains the desirable characteristic of good system design?
Options: Modular approach,    Proper documentation,    Conversion,    Long discussions

Ans:A ,A

. Which of the following is not valid statement?
Options: A) Hard is referred to mean something temporary B) Hard is used to mean something tangible C) Soft is used to mean something permanent D) Soft is used to mean something tangible


During the maintenance phase
Options: System requirements are established,    System analysis is carried out,    Programs are tested,    All of the above

Ans:E ,E

The _____ symbol is used in a flowchart to represent a calculation task.
Options: Input,    Output,    Process,    Start

Ans:C ,C

When a group of computers is connected together in a small area without the help of telephone lines, it is called
Options: Remote communication network (RCN),    Local area network(LAN),    Wide area network (WAN),    Value added network (VAN)

Ans:B ,B

.  In a module, a(n) _______ is a series of commands and properties that perform a specific task.
Options: a.            event b.           property c.           procedure d.            macro

Ans:– c,– c

"The three most important inventions of this century are the nuclear bomb, the high yield hybrid speed, and the computer". Can you name the person who made this statement?
Options: Harry R Jordan,    Buckminster Fuller,    Jack Smith,    Jan Timmer

Ans:B ,B

Which of the following is used as a primary storage device?
Options: Magnetic drum,    PROM,    Floppy disk,    All of the above

Ans:B ,B

In Word 2007 the Zoom is placed on
Options: a. View tab b. Home tab c. Status bar d. A & C both

Ans:– D,– D

Who was the father of Punched Card Processing?
Options: J Presper Eckert,    Charles Babbage,    Dr. Herman Hollerith,    Blaise Pascal

Ans:C ,C

The three different application logic components are which of the following?
Options: Presentation, Client, and Storage,    Presentation, Client, and Processing,    Presentation, Processing, and Storage,    Presentation, Processing, and Network

Ans:C ,C

A device which converts human readable data into machine language is
Options: Card reader,    Card punch,    Punched paper tape,    Character reader

Ans:D ,D

Which of the following types of connections can use full duplex? Hub to hub Switch to switch Host to host Switch to hub Switch to host
Options: 1, 2 and 4,    3 and 4,    3 and 5,    2, 3 and 5

Ans:D ,D

The steady-state error is:
Options: independent of the type of input,    a function of the transient response,    zero for all inputs to type 1 systems,    decreased by increasing gain.

Ans:D ,D

What is the highest binary number that can be referred to on a three position jumper block?
Options: 4,    6,    F,    1

Ans:D ,D

A quotation system obtains potential delivery time data from the
Options: production schedule file,    inventory file,    product catalog file,    All of the above

Ans:B ,B

In enterprise data modeling, which is incorrect?
Options: You review current systems.,    You implement the new database.,    You describe the data needed at a very high level of abstraction.,    You plan one or more database development projects.

Ans:B ,B