1 nibble equals to

Options: A. 1 bits B. 2 bits C. 4 bits D. 8 bits


Description: mcqquestions

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

Hits Today: 7653 | Level: Moderate

Got some suggestion about this question or to make this site better? Please leave your comments below.

Want to see where do you stand among other aspirants in "Computer" Category?

Click Here to take quick 5 mins MCQ test to find out.

More Computer Fundamental Related questions:

Which of the following is separated by a subnet mask?
Options: DHCP scopes,    Network ID and host ID,    Domains,    Subnets

Ans:B ,B

A mouse device may be:
Options: electro-chemical,    mechanical,    optical,    both b and c

Ans:D ,D

A digital device that processes data is known as
Options: Data processor,    Data entry,    DBMS,    Database

Ans:A ,A

Which symbol is used to separate more than one command in the same command line?
Options: $,    #,    :,    ;

Ans:D ,D

A certain Professor at the Stanford University coined the word 'artificial intelligence' in 1956 at a conference held at Dartmouth college. Can you name the Professor?
Options: David Levy,    John McCarthy,    Joseph Weizenbaum,    Hans Berliner

Ans:B ,B

Which of the following applies to external DOS commands?
Options: External commands reside in RAM until called,    External commands are stored on disk separately from COMMAND.COM,    External commands must always be used with the /e switch,    External commands can only be executed from a batch file.

Ans:B ,B

How many steps are there between Start and Finish in AutoContent Wizard?
Options: a. 3 b. 4 c. 5 d. 6

Ans: – A , – A

What is the highest address possible if 16 bits are used for each address?
Options: 65536,    12868,    16556,    643897

Ans:A ,A

The fastest type of memory from the following list is
Options: tape,    semiconductor memory,    disk,    bubble memory

Ans:B ,B

Regarding a VDU, which statement is more correct?
Options: It is an output device,    It is an input device,    It is a peripheral device,    It is a hardware item

Ans:C ,C

Which of the following tool enables you to add text to a slide without using the standard placeholders?
Options: a. Text tool box b. Line tool c. Drawing tool d. Auto shapes tool

Ans: – A , – A

Telecommunication networks frequently interconnect an organization with its customers and suppliers. Select the best fit for answer:
Options: Bandwidth alternatives,    Switching alternating,    Inter organizational networks,    Extranets

Ans:C ,C

The "curse of dimensionality" relates to which problem of using operational data for BI reporting?
Options: Dirty data,    Inconsistent data,    Too much data,    Non-integrated data

Ans:C ,C

What are the data transmission channels available for carrying data from one location to another?
Options: Narrowband,    Voiceband,    Broadband,    All of the above

Ans:D ,D

. Which of the following operating system reads and reacts in actual time?
Options: a. Quick Response System b. Real Time System c. Time Sharing System d. Batch Processing System

Ans: b, b

How many bits are used in the data bus?
Options: 7,    8,    9,    16

Ans:B ,B

Which was the first commercial computer built by M.V. Wilkies.
Options: Super computer,    LEO,    Mainframe,    Micro computer

Ans:B ,B

We want to round off x, a float, to an int value, The correct way to do is
Options: y = (int)(x + 0.5),    y = int(x + 0.5),    y = (int)x + 0.5,    y = (int)((int)x + 0.5)

Ans:A ,A

.   The Microsoft clip gallery allows you to
Options: a. Add word art images to a slide b. Spell check your presentation c. Add clip art images to a slide or slides d. Add slides to a presentation

Ans:3 – C ,3 – C

Which of the following is not a practical data-processing approach?
Options: batch-sequential,    batch-direct,    immediate-sequential,    immediate-direct


A program that converts computer data into some code system other than the normal one is known as
Options: Encoder,    Simulation,    Emulator,    Coding

Ans:A ,A

. Internal commands are
Options: a. Incorporated in the command.com b. Incorporate in the command directory c. Have external files d. All of the above

Ans:0 – a ,0 – a

To activate the previous cell in a pre-selected range, press
Options: a. The Alt key b. The Tab key c. The Enter key d. None of the above

Ans:D,None of the above

Batch processing is appropriate if
Options: a large computer system is available,    only a small computer system is available,    only a few transactions are involved,    All of the above

Ans:E ,E

Backward recovery is which of the following?
Options: Where the before-images are applied to the database,    Where the after-images are applied to the database,    Where the after-images and before-images are applied to the database,    Switching to an existing copy of the database

Ans:A ,A

. The traditional mechanical mouse uses a __________ to track the pointer position on the screen.
Options: a. light sensor b. wheel c. ball d. ruler

Ans:1 – c ,1 – c

The files required to maintain general ledger records include
Options: inventory file,    detail postings file,    chart of accounts file,    all of the above

Ans:B ,B

The Cancel and Enter buttons appear in the:
Options: Title bar B. Formula bar C. Menu bar D. Sheet tabs

Ans:– B ,

Which of the following is a database administrator
Options: database design,    backing up the database,    performance monitoring,    All of the above

Ans:D,All of above

. Which of the following is correct regarding the Background of slides
Options: a. Background color of slides can be change b. Picture can be set as Slide Background c. Texture can be set as Slide Background d. All of the Above

Ans:1 – D ,1 – D

When assessing the table structure of an acquired set of tables with data, determining foreign keys is (part of) the:
Options: first step.,    second step.,    third step.,    fourth step.

Ans:B ,B

No computer can do anything without a
Options: program,    memory,    chip,    output device

Ans:A ,A

. Which command is used to copy the contents of one disk to another
Options: a. Diskcopy b. Delete c. Copy con d. Ctrl + Alt

Ans:4 – a ,4 – a

Modern Computers are very reliable but they are not
Options: A) Fast B) Powerful C) Infallible D) Cheap


One example of the use of an S-R flip-flop is as a(n):
Options: transition pulse generator,    astable oscillator,    racer,    switch debouncer

Ans:D ,D

Which of the following chips can be reprogrammed with special electric pulses?
Options: EPROM,    PROM,    ROM,    EEPROM

Ans:D ,D

. A small or intelligent device is so called because it contains within it a

Options: A) Computer B) Microcomputer C) Programmable D) Sensor


Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?
Options: MUST COVER,    MUST NOT,    Both of the above.,    None of the above is correct.

Ans:A ,A

The approach used in top-down analysis and and design is
Options: to prepare flowcharts after programming has been completed,    to identify a top level function and then create a hierarchy of lower level modules and components,    to identify the top level functions by combining many smaller components into a single entity.,    All of the above

Ans:B ,B

An indexed file offers the facility of a Random file and the access method of a
Options: Sequential file,    indexed file,    direct access file,    random access file

Ans:A ,A

Which of the following can you change using the page setup dialog box?
Options: margins B. page orientation C. vertical alignment D. all of the above

Ans:– D ,

In phase 1 of the system development life cycle, which of the following aspects are usually analyzed?
Options: outputs,    input (transactions),    controls,    All of the above

Ans:D ,D

. If you are working in English (US), Chinese or Japanese, Excel 2002 can speak data as you enter it, to help you verify accuracy. How do you activate this feature?
Options: a. Point to speech on the tools menu, and then click show text to speech toolbar. b. Click validation on the data menu c. Point to speech on the tools menu, and then click speech recognition d. All of above

Ans:– a,– a

Which command(s) is(are) used to redefine a column of the table in SQL ?
Options: ALTER TABLE,    DEFINE TABLE,    MODIFY TABLE,    All of the above

Ans:A ,A

A complete microcomputer system consists of
Options: a . microprocessor b . memory c . peripheral equipment d . all of above


. Which of the following are loaded in safe mode?
Options: a. Keyboard driver b. Mouse driver c. VGA drive d. All of above

Ans: d, d

. The Search tool CANNOT be used on which major Access object?
Options: a. Forms b. Queries c. Reports d. Tables

Ans:2 – c ,2 – c

The process of writing computer instructions in a programming language is known as
Options: Coding,    Processing,    Programming,    File

Ans:A ,A

A co-processor
Options: a. Is relatively easy to support in software b. Causes all processor to function equally c. Works with any application d. Is quite common in modern computer


The physical layer, in reference to the OSI model, defines
Options: data link procedures that provide for the exchange of data via frames that can be sent and received,    the interface between the X.25 network and packet mode device,    the virtual circuit interface to packet-switched service,    All of the above

Ans:B ,B