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PROGRAM: MCA (REVISED FALL 2012)
SEMESTER: FIRST
SUBJECT CODE & NAME: MCA1010- FUNDAMENTALS OF COMPUTER AND IT
CREDIT: 4
BK ID: B1645
MAX. MARKS: 60
Q1.
Write short notes on any five Input devices.
Answer:
Any device designed to assist in
the entry of data into a computer is known as Input device. Input devices
convert data from any convenient external format into binary codes that a
computer can store and manipulate internally. Some of the most common, most
popularly used devices are discussed below.
1. Mouse:
This Input device is categorized
as a pointing device because it is used to point and select an option on the monitor.
It is small boxlike object that is connected to the computer by a cable and can
be rolled around
Q2. Differentiate
combinational circuit and Sequential circuits.
Answer:
Main difference is
• Sequential logic circuits have
its output based on the inputs and the present states of the system, while
combinational logic circuit’s output is based only on the present inputs.
Q3.
What is computer memory? Explain its types.
Answer:
The
term memory identifies data storage that comes in the form of chips, and the
word storage is used for memory that exists on tapes or disks. Moreover, the
term memory is usually used as a shorthand for physical memory, which refers to
the actual chips capable of holding data. Some computers also use
Q.4: Explain the features of a
mouse and a track ball.
ANS:
1. Mouse:
This Input device is categorized
as a pointing device because it is used to point and select an option on the
monitor. It is small boxlike object that is connected to the computer by a
cable and can be rolled around
Q.5: What is data
communication? Explain different Data Transmission methods.
ANS:
Data communication is the
transfer of data or information between a source and a receiver, the source
transmits the data and the receiver receives it. The distance over which data
moves within a computer may vary from a few thousandths of an inch, as is the
case within a single IC chip, to as much as several feet along the backplane of
the main circuit board. Over such small distances, digital data may be
Q.6: What
is an IP address? Describe the classes of IP addresses.
ANS:
IP addresses are represented by a
32-bit unsigned binary value. It is usually expressed in a dotted decimal
format. For example, 9.167.5.8 is a valid IP address. The numeric form is used
by IP software. The mapping between the IP address and an easier-to-read
symbolic name, for example, myhost.ibm.com, is done by the Domain Name System (DNS).
Get fully solved assignment, plz drop a mail with your sub code
computeroperator4@gmail.com
Charges for mba rs 125/subject and rs 700/semester only.
For other rs 125/subject only
if urgent then call us
on 08791490301, 08273413412
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