Frequently Asked Questions-Networking


In OSI network architecture, the dialogue control and token management are responsibility of

Session layer

In OSI network architecture, the routing is performed by

Network layer

Which of the following performs
modulation and demodulation?

Modem

Layer one of the OSI model is

Physical layer

What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?

3

How many OSI layers are covered in
the X.25 standard?

Three

The interactive transmission of data within a time sharing system may be best suited to

Half-duplex
lines

The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as:

Digitizing

The x.25 standard specifies a

DTE/DCE
interface

Which of the following communication modes support two-way traffic but in only one direction at a time?

Half duplex

Which of the following might be used by a company to satisfy its growing communications needs?

Front end processor

Multiplexer

Controller

Concentrator

Which of the following is an advantage to using fiber optics data transmission?

Resistance to data theftFast data transmission rateLow noise level

Which of the following statement is incorrect?

Batch
processing is the prefered processing mode for telecommunication operation.

Which of the following is not a transmission medium?

Modem

Which of the following does not allow multiple uses or devices to share one communication line?

Doubleplexer

Which of the following statement is incorrect?

RTS/CTS is the way the terminal indicates ringing

Which of hte following is considered a broad band communication channel?

Coaxial
cable
Fiber
optics cable
Microwave
circuits

Which of the following signal is not standard RS-232-C signal?

Vdr

Which of the following is required to communicate between two computers?

Communications
software
ProtocolCommunication
hardware

Most data communications involving telegraph lines use:

Narrowband
channel

The transmission signal coding method of TI carrier is called

Bipolar

Which data communication method is used to transmit the data over a serial communication link?

Full-duplex

A communications device that combines transmissions from several I/O devices into one line is a

Multiplexer

What is the minimum number of wires needed to send data over a serial communication link layer?

2

Which of the following types of channels moves data relatively slowly?

Narrow band channel

How much power (roughly) a light emitting diode can couple into an optical fiber?

100
microwatts

The synchronous modems are more costly than the asynchronous modems because

They contain clock recovery
circuits

Which of the following statement is correct?

Transmission
section of a synchronous modem contains the scrambler

In a synchronous modem, the digital-to-analog converter transmits signal to the

Equalizer

Which of the following communications lines is best suited to interactive processing applications?

Full
duplex lines

A remote batch-processing operation in which data is solely input to a central computer would require

Simplex lines

The loss in signal power as light travels down the fiber is called

Attenuation

Avalanche photodiode receivers can detect bits of transmitted data by receiving

200 photons

An example of digital, rather than analog, communication is

Dds

Terminals are required for

Real-time,  time
sharing & message switching

What is the main difference between DDCMP and SDLC?

DDCMP
does not need special hardware to final the beginning of a message

Number of bits per symbol used in Baudot code is

5

Data communications monitors available on the software marked include

Environ/1

While transmitting odd-parity coded symbols, the number of zeros in each symbol is

Unknown

In communication satellite, multiple repeaters are known as

Transponders

An example of a medium speed, switched communications service is

Ddd

Communiction circuits that transmit data in both directions but not at the same time are operating in

Half
duplex mode

The receive equilizer reduces delay distortions using a

Tapped delay lines

In a synchronous modem, the receive equalizer is known as

Adaptive
equalizer

The channel in the data communication model can be

Postal mail servicesTelephone linesRadio lines

A data terminal serves as an

Effectors & sensor

Which of the following transmission systems provide the highest data rate to in individual device?

Computer bus

A protocol is a set of rules governing a time sequence of events that must take place

Between peers

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MCQs On Computer Fundamentals Part-3


Multi Choice Questions On Computer Fundamentals, Database, Networking, OS, DFS (Compilation)

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Computer Basics - Free Quick Reference Card
Computer Basics – Free Quick Reference Card

This Computer Basics Quick Reference provides an overview of general computer concepts, file management, and tips for usage. This reference is great for beginners or anyone looking to brush up on the basics.

The translator program used in
assembly language is called

Assembler

Easily reloctable
language is

Assembly language

Which of the following is called low
level languages?

Machine
language

Assembly language

Which of the following is problem
oriented language?

High level language

A compiler is a translating program
which

Translates
instruction of a high level language

into machine language

Translates
entire source program into machine language program

It is not involved in program’s
execution

Which of the following is machine
independence program?

High level language

Which statement is valid about
interpreter?

It
translates one instruction at a time

Which is the limitation of high level
language?

Lower efficiency

High level language is also called

Problem
oriented language

Business oriented language

Mathematically oriented
language

A computer programmer

Does all the thinking for a
computer

Which of the following is a primary
storage device?

Magnetic
tape

Magnetic disk

Optical disk

A name or number used to identify a storage location devices?

An address

Which of the following is a secondary
memory device?

Disk

The difference between memory and
storage is that memory is … and storage is …

Temporary, permanent

A floppy disk contains

Both
circular tracks and sectors

The octal equivalent of 111010 is

72

The first electronic computer in the
world was

Eniac

The most commonly used standard data
code to represent alphabetical, numerical and

punctuation characters used in electronic data processing system is called

Ascii

A dumb terminal has

A
keyboard and screen

To locate a data item for storage is

Fetch

Programs designed to perform specific
tasks is known as

Application
software

Perforated paper used as input of
output media is known as

Paper tapes

Time during which a job is processed
by the computer is

Execution
time

A computer which cpu
speed around 100 million instruction per second and with the word length of
around 64 bits is known as

Super computer

An approach that permits the computer
to work on several programs instead of one

is

Over
lapped processing

A directly accessible appointment
calendar is feature of a … resident package

Memory

Which of the following processors use
risc technology?

Power
pc

A/n …. Device is any device that
provides information, which is sent to the cpu

Input

Current simms

have either … or … connectors (pins)

30 or
72

The storage subsystem in a
microcomputer consists mainly of … or … media with

varying capacities

Magnetic or optical

Which of the following is not an
input device?

Com
(computer output to microfilm)

The central processing unit (cpu) consists of

Control unit, arithmetic-logic
unit and primary storage

Ebcdic can code up to how many different
characters?

256

Which is considered a direct entry
input device?

Optical scanner

Mouse and digitizer

Light pen

Which is

used for manufacturing chips?

Semiconductors

The computer code for the interchange
of information between terminals is

Ascii

A byte consists of

Eight
bits

The silicon chips used for data
processing are called

Prom chips

The metaldisks,
which are permanently housed in, sealed and contamination free

containers are called

Winchester
disk

An application program that helps the
user to change any number and immediately

see the result of that change is

Spreadsheet

The instructions for starting the
computer are house on

Read
only memory chip

The ALU of a computer normally
contains a number of high speed storage element called

Registers

The magnetic storage chip used to
provide non-volatile direct access storage of

data and that have no moving parts are known as

Magnetic
bubble memory

CAD stands for

Computer aided design

Rats stand for

Regression
analysis time series

In which year was chip used inside
the computer for the first time?

1975

What was the name of the first
commercially available microprocessor chip?

Intel
4004

When were the first minicomputer
built?

1965

The first digital computer built with
ic chips was known as

Ibm system / 360

In which language is source program
written?

High level

Which of the following terms is the
most closely related to main memory?

Temporary

Which of the following is used for
manufacturing chips?

Semiconductor

Which of the following is required
when more than one person uses a central computer at the same time?

Terminal

Which of the following is used only
for data entry and storage, and never for

processing?

Dumb terminal

To produce high quality graphics
(hardcopy) in color, you

would want to use a/n

Plotter

Which of the following printers are
you sure will not to use if your objective is to

print on multi carbon forms?

Laser

Which of the following printing
devices an output composed of a series of data?

Wire
matrix printer; wang image printer

The personal computer industry was
started by

Ibm

In the IBM pc-at, what do the words
at stand for

Advance
technology

Magnetic tape can serve as

Secondary storage media

Output media

Input media

If in a computer, 16 bits are used to
specify address in a ram, the number of

addresses will be

65,536

The two major types of computer chips
are

Primary memory chip

Microprocessor chip

As compared to the secondary memory,
the primary memory of a computer is

Fast

Which of the following is a way to
access secondary memory?

Random access memory

Which was the most popular first
generation computer?

Ibm 1650

What is the responsibility of the
logical unit in the cpu of a computer?

To compare numbers

The secondary storage devices can
only store data but they cannot perform

Arithmetic
operation

Logic operation

Fetch operations

Which of the printers used in
conjunction with computers uses dry ink power?

Laser printer

Which of the following produces the
best quality graphics reproduction?

Plotter

Which of the following memories
allows simultaneous read and write Operations?

Ram

Which of the following memories has
the shortest access times?

Cache
memory

A 32 bit microprocessor has the word
length equal to

4 byte

An error in computer data is called

Bug

A set of information that defines the
status of resources allocated to a process is

Process description

Any method for controlling access to
or use of memory is known

Memory
protection

A type of core store that has a lower
access time than the devices used for working

store in the same processor is known as

Address register

Which of the following is an acronym
for electronic delay storage automatic

calculator?

Edsac

Which of the following is form of
semi conductor memory in which it is possible to

change the contents of selected memory locations by applying suitable
electrical

signals?

Eprom

A disk storage medium in the form of
an assembly containing a single rigid magnetic

disk permanently is

Disk
cartridge

A memory that is capable of
determining whether a given datum is contained in one of

its address is

Cam

A method of implementing a memory
management system is

Buddy
system

A plastic card similar to a credit
card but having some memory and a microprocessor

embedded within it is

Punched paper tape

A device that operates under the
control of another device is called

Slave

Actual data processing operations are
performed in the arithmetic logic section, but not in the …. Storage section
of a processor unit

Primary

The use of spooler programs and/or ….
Hardware allows personal computer operators to do the processing work at the
same time a printing operation is in progress

Buffer

Which most popular input device is
used today for interactive processing and for the one line entry of data for
batch processing?

Mouse

User programmable terminals that
combine vdt hardware with built-in microprocessor

is

Intelligent
terminals

The number of characters that can be
stored in given physical space is

Data density

The storage capacity of a disk system
depends on the bits per inch of track and

the tracks per inch of

Surface

The disk drive component used to
position read/write heads over a specific track i

known as

Access arm

Prev <- MCQs On Computer Fundamentals Part-2 |||| NEXT – > MCQs On Computer Fundamentals Part-4

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Disclaimer:- Source can be : Mcqs On Computer By : Dr. Alok Kumar or psexam.com (I am not sure about it; I compiled it and converted in better format for my own study; Just sharing in case anyone finds it useful; don’t want to take credit from the original author)

MCQs On Computer Fundamentals Part-2


Multi Choice Questions On Computer Fundamentals, Database, Networking, OS, DFS (Compilation)

You can Use Linkedin Credentials to Download.

Computer Basics - Free Quick Reference Card
Computer Basics – Free Quick Reference Card

This Computer Basics Quick Reference provides an overview of general computer concepts, file management, and tips for usage. This reference is great for beginners or anyone looking to brush up on the basics.

Storage capacity of magnetic disk
depends on

Tracks
per inch of surface

Bits per inch of tracks

Disk pack in disk surface

Reading data is performed in magnetic
disk by

Read/write leads

Access time is

Seek
time + latency time

Seek time is

Time to position the head over
proper track

Latency time is

Time to
spin the needed data under head

Floppy disks are available in

Single side single density

Single side double density

Floppy disks typically in diameter

3”

5.25”

8”

Hard disk is coated in both side
above

Magnetic metallic oxide

Binary circuit elements have

Two
stable state

Which statement is valid

1kb = 1024 bytes

Which statement is valid about
computer program?

It is
understood by a computer

It is understood by programmer

It is understood user

Software in computer

Enhances the capabilities of
the hardware machine

Which of the following is not
computer language?

Medium
level language

Which language is directly understood
by the computer without translation program?

Machine language

Instruction in computer languages
consists of

Opcode

Operand

Machine language is

Machine dependent

Difficult to program

Error prone

Ibm 7000 digital computer

Employs
semiconductor memory

The proper definition of a modern
digital computer is

A machine that works on binary
code

A modern electronic computer is a
machine that is meant for

Input,
storage, manipulation and outputting of data

An integrated circuit is

Fabricated on a tiny silicon
chip

Most important advantage of an ic is its

Extremely
high reliability

In a punched card system, data is
processed by a

Accounting machine, keypunch
machine and sorter

The first machine to successfully
perform a long series of arithmetic and logical

operations was;

Mark i

In the third generation of computers:

On-line, real time systems
first became popular

A characteristic of card systems is:

Slowness
in processing data

Using cards as records of
transactions

Needing a larger dp staff

An ibm
system/38 represents the computer class of:

Small-scale computer

The first firm to mass- market a
microcomputer as a personal computer was

Data
general corporation

A digital computer did not score over
an analog computer in terms of

Accuracy

In 1830, charles
babbage designed a machine called the analytical
engine which he showed at the paris exhibition. In
which year was it exhibition?

1855

Which was the world’s first
minicomputer and when was it introduced?

Pdp-i, 1958

Where was india’s

first computer installed and when?

Indian
statistical institute, calcutta, 1955

Which of the following are the two
main components of the cpu?

Control unit and alu

Which of the following is true?

Fields
are composed of bytes
<!–[if !supportLineBreakNewLine]>

<!–[endif]>

Records are composed of fields

Fields are composed of
characters

Which of the following file
organization is most efficient for a file with a high

degree of file activity?

Sequential

The two basic types of record-access
methods are

Sequential
and random

The advantage of com are its … and …

Compact size, speed

Which of the following is not true
for a magnetic disk?

 it
provides only sequential access to stored data

The primary advantage of key-to-tape
data entry system is

The tape is reusable

The terminal device that functions as
a cash register, computer terminal, and ocr

reader is the:

Pos
terminal

Which of the following does not
affect the resolution of a video display image?

Screen size

While inserting a diskette into the
diskette drive of a pc, the diskette’s label side should face

Up

In which year was uk’s
premier computing event called “the which computer”
started?

1980

The latest pc keyboards use a circuit
that senses the movement by the change in its

capacitance,

Capacitance
keyboard

Different components on the
motherboard of a pc processor unit are linked together by

sets or parallel electrical conducting lines. What are these lines called?

Buses

Which of the following magazines
covers only the ibm pc and its compatibles?

Pc
magazine

The arranging of data in a logical
sequence is called

Sorting

When was apple macintosh
ii microcomputer introduced in the market?

1983

 What is the name of the new color laptop computer which is powered by a 386 processor
at 33 mhz and is built by epson?

Ax3/33

What does the disk drive of a
computer do?

Read
the disk

Load a program from the disk
into the memory

The language that the computer can
understand and execute is called

Machine language

An application suitable for
sequential processing is

Processing
of grades

Payroll processing

The word processing task associated
with changing the appearance of a document is

Formatting

Which of the following is used as a
primary storage device?

Prom

Which of the following memories needs
refreshing?

Dram

Which was the computer conceived by babbage?

Analytical
engine

Offline device is

A device which is not connected
to cpu

Which of the following registers is
loaded with the contents of the memory location

pointed by the pc

Instruction
register

Which of the following registers is
used to keep track of address of the memory

location where the next instruction is located?

Program counter

Microprocessors can be used to make

Computers

Digital systems

Calculators

How many address lines are needed to
address each machine location in a 2048 x 4 memory chip?

11

Which american
computer company is called big blue?

Ibm

When did ibm
introduce the 20286 based pc/at?

1984

When was the x window system born?

1984

Today’s computer giant ibm was earlier known by different name which was changes
in 1924. What was that name?

Tabulator machine co.

The first electronic general purpose
digital computer built by mauchly and eckert called enia did not work
on the stored program principle. How many

numbers could it store in its internal memory?

20

The digital computer was developed
primarily in

Usa

The subject of cybernetics deals with
the science of

Control
and communication

Who is credited with the idea of
using punch cards to control patterns in a waving

machine?

Jacquard

Most of the inexpensive personal
computers do not have any disk or diskette drive.

What is the name of such computes?

Home
computers

Which of the following require large
computers memory?

Imaging

Graphics

Voice

A term associated with the comparison
of processing speeds of different computer

system is:

Mips

The process of starting a or
restarting a computer system by loading instructions

from a secondary storage device into the computer memory is called

Booting

Who invented the microprocessor?

Marcian e huff

One computer that is not considered a
portable is

Minicomputer

Mnemonic a memory trick is used in
which of the following language?

Assembly
language

Prev <- MCQs On Computer Fundamentals Part-1 |||| NEXT – > MCQs On Computer Fundamentals Part-3

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Disclaimer:- Source can be : Mcqs On Computer By : Dr. Alok Kumar or psexam.com (I am not sure about it; I compiled it and converted in better format for my own study; Just sharing in case anyone finds it useful; don’t want to take credit from the original author)