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PROGRAM-
BCA (REVISED FALL 2012)
SEMESTER-
4
SUBJECT
CODE & NAME- BCA 4030 &SYSTEM SOFTWARE
Qus:1
What is binding time? Write short on static and dynamic binding.
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 varis bound to typwhen its declaration is processed.
The size attribute of typis
bound to a value sometime prior to this binding. We are
Qus:2
What are the basic features of Assembly language? State 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).
Basic
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 functions.
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.
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
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
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