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PROGRAM-
BCA (REVISED FALL 2012)
SEMESTER-
4
SUBJECT
CODE & NAME- BCA 4030 & SYSTEM SOFTWARE
Qus:1
What is binding? Explain in detail
Answer:
Binding:
A binding is the
association of an attribute of a program entity with a value. Binding time is
the time at which a binding is performed. Thus the type attribute of variable var is bound to typ when its declaration is
processed. The size attribute of typ is
bound to a value sometime prior to this binding. We are interested in the
following binding times:
Qus:2
What is an assembly language? Explain its basic feature. State the advantage
and disadvantages of coding in assembly language.
Answer:
Assembly
language:
An assembly language is a machine
dependent, low level programming language which is specific to a certain
computer system (or a family of computer systems).
Qus:3
A. Explain the basic functions of a loader
B.
Briefly explain the design of an Absolute Loader
Answer:
The
basic functions of a loader:
The first step
in developing any machine code manipulation program is to understand the source
object file format – what type of information is stored, how it is stored, and
how it can be accessed. Normally we are not concerned with any of these issues
since the operating system (OS) automatically handles all file access
operations and provides users with an interface to these
Qus:4
List and explain the devices which are distinguished and classified by
UNIX/Linux OS and are attached to the computer devices
Answer:
The
devices which are distinguished and classified by UNIX/Linux OS and are
attached to the computer devices:
Since Linux
follows the UNIX model, and in UNIX everything is a file, users communicate
with device drivers through device files. Device files are supplied by the
kernelfor direct User-Driver interface. Hence in UNIX/Linux OS, device drivers
are in the form of files and are usually linked
Qus:5
Explain briefly about Android Architecture Libraries.
Answer:
Android
Architecture Libraries:
On top of the
kernel are the libraries. Android includes a set of C/C++ libraries written as
modules of code that are compiled down to native machine code. It controls the
device to handle different kinds of data efficiently. These libraries tell the
device how to handle different kinds of data and are exposed to Android
developers via Android application framework. It provides some of the common
services that are available for applications and various components of the
Android system. It exposes its capabilities through Android application
framework. Libraries in
Qus:6
What do you mean by a USB end point? Explain the various types of an end point.
Answer:
USB
end point:
Sysfs is a
feature of the Linux 2.6 kernel that allows kernel code to export information
to user processes via an in-memory file system. Sysfs exports information about
devices and drivers from the kernel device model to user space, and is also
used for configuration. The physical USB device is represented by a struct usb_device and the individual USB
interfaces is represented by a struct usb_interface.
These are shown in sysfs as individual devices as both of those
structures contain a struct_device structure.The
USB sysfs device naming scheme is given as: root_hub-
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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