Dear
students get fully solved assignments
Send
your semester & Specialization name to our mail id :
help.mbaassignments@gmail.com
or
call
us at : 08263069601
ASSIGNMENT
|
PROGRAM
|
MCA(REVISED FALL 2012)
|
|
SEMESTER
|
FOURTH
|
|
SUBJECT CODE & NAME
|
MCA4010- MICROPROCESSOR
|
|
CREDITS
|
4
|
|
BK ID
|
B1778
|
|
MAX. MARKS
|
60
|
Note: Answer all questions. Kindly note
that answers for 10 marks questions should be approximately of 400 words. Each
question is followed by evaluation scheme.
Q. 1. Write short notes on:
a) Central Processing Unit
Answer:The central processing unit (CPU) of a computer is a piece of hardware
that carries out the instructions of a computer program. It performs the basic
arithmetical, logical, and input/output operations of a computer system. The
b) Memory Unit
Answer:In computing, memory refers to the computer hardware devices used to
store information for immediate use in a computer; it is synonymous with the
term "primary storage". Computer memory operates at a high speed, for
example random-access memory (RAM), as a distinction from storage that provides
slow-to-access program and data storage but offers higher capacities. If
needed, contents of the computer memory can be transferred to secondary
storage, through a memory management technique called "virtual
Most semiconductor memory is organized into
memory cells or bistable flip-flops, each storing one bit (0 or 1). Flash
memory organization includes both one bit per memory cell and multiple bits per
cell (called MLC,
Q. 2. Write short notes on:
a) Bus Interface Unit (BIU)
Answer:In computer architecture, a bus
(related to the Latin "omnibus", meaning "for all") is a
communication system that transfers data between components inside a computer,
or between computers. This expression covers all related hardware components
(wire, optical fiber, etc.) and software, including
b) Execution Unit (EU)
Answer:In computer engineering, an execution unit (also called a functional
unit) is a part of the central processing unit (CPU) that performs the
operations and calculations as instructed by the computer program. It may have
its own internal control sequence unit, which is not to be confused with the
CPU's main control unit, some registers, and other internal units such as a
sub–arithmetic logic unit (sub-ALU) or a floating point unit (FPU), or some
smaller and more specific components. It
is common for modern
Q. 3. Write short notes on:
a) REP Prefix
Answer:If the direction flag is clear, the CPU increments ESI and EDI after
operating upon each string element. For example, if the direction flag is
clear, then executing MOVS will move the byte, word, or double word at ESI to
EDI and will increment ESI and EDI by one, two, or four. When specifying the
REP prefix before this instruction, the CPU increments ESI and EDI for each
element in the string. At completion, the ESI and EDI registers will be
pointing at the first item beyond the strings.
b) Table Translation
Answer:A translation lookaside buffer (TLB) is a cache that memory management
hardware uses to improve virtual address translation speed. The majority of
desktop, laptop, and server processors includes one or more TLBs in the memory
management hardware, and it is nearly always present in any hardware that
utilizes paged or segmented virtual memory.
The TLB is sometimes implemented as
content-addressable memory (CAM). The CAM search key is the virtual address and
the search
Q. 4. Describe about Key-code Data Formats
and FIFO Status Word formats.
Answer:Key Code Qualifier is an error-code returned by a SCSI device.
When a SCSI target device returns a check
condition in response to a command, the initiator usually then issues a SCSI
Request Sense command. This process is part of a SCSI protocol called
Contingent Allegiance Condition. The target will respond to the Request Sense
command with a set of SCSI sense data which includes three fields giving
increasing levels of detail about the error:
K -
sense key - 4 bits, (byte 2 of Fixed sense
Q. 5. Write a note on
(a) RS 232 standard
Answer:In telecommunications, RS-232 is a standard for serial communication
transmission of data. It formally defines the signals connecting between a DTE
(data terminal equipment) such as a computer terminal, and a DCE (data
circuit-terminating equipment, originally defined as data communication
equipment), such as a modem. The RS-232 standard is commonly used in computer
serial ports. The standard defines the electrical characteristics and timing of
signals, the meaning of signals, and the physical size
(b) IEEE 488 standard
Answer:IEEE-488 is a short-range digital communications 8-bit parallel
multi-master interface bus specification. It was created in the late 1960s for
use with automated test equipment and is still in use for that purpose.
IEEE-488 was created as HP-IB (Hewlett-Packard Interface Bus) and is commonly
called GPIB (General Purpose Interface Bus). It has been the subject of several
standards.
IEEE-488 specifies a 24-pin Amphenol
Q. 6. Write short note on:
a) Parallel Printer Interface (LPT)
Answer:Short for Line Printer Terminal, LPT is used by IBM compatible computers
as an identification for the parallel port such as LPT1, LPT2, or LPT3. This is
commonly required when installing a printer on an IBM compatible computer. The majority
of all computers utilize LPT1 and do not have an option for another LPT port
unless additional ports are added to the computer.
b) Universal Serial Bus (USB)
Answer:USB, short for Universal Serial Bus, is an industry standard developed in
the mid-1990s that defines the cables, connectors and communications protocols
used in a bus for connection, communication, and power supply between computers
and electronic devices. It is currently developed by the USB Implementers
Forum.
Dear
students get fully solved assignments
Send
your semester & Specialization name to our mail id :
help.mbaassignments@gmail.com
or
call
us at : 08263069601
