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fall 2015 ASSIGNMENT
PROGRAM MCA
SEMESTER FOURTH
SUBJECT CODE & NAME MCA4010-
MICROPROSESSOR
CREDIT 4 BK ID B1778 MAX. MARKS 60
Q1. Differentiate
between 16-bit and 32-bit Microprocessors.
Answer:
The length of commands a
microprocessor can address per clock cycle is in part measured by the bit-rate
and the operations per cycle. In your case, the bit rate, the literal string
length of commands is addressed:
Falling back on my Bus width
answer, the elemental difference between a 16-bit and 32-bit processor is
pretty easy when drawn
2 Write
short notes on:
a) Bus
Interface Unit (BIU)
b)
Execution Unit (EU) 5+5 10
Answer:
A)
Bus Interface Unit (BIU): The BIU
handles all the data and address on the buses for the execution unit (EU). It
performs all bus operations such as instruction fetching, reading and writing
operands for
3 Write
short notes on:
a) REP
Prefix
b)
Table Translation 5+5 10
Answer:
A)
REP Prefix
Because string operations
inherently involve looping, the 8086 machine language includes a prefix that
considerably simplifies the use of string primitives with loops. This prefix
has the machine code
1 1 1 1 10 0 1 Z
where, for the CMPS and SCAS
primitives, the Z bit helps control the loop. By prefixing MOVS, LODS and STOS,
4
Describe about Key-code Data Formats and FIFO Status Word formats. 5+5 10
Answer:
Key-code Data Formats:
After a valid Key closure, the key code is entered as a byte
code into the FIFO RAM, in the following format, in scanned keyboard mode. The
Key code format contains 3-bit contents of the internal row counter, 3-bit
contents of the column counter and status of the SHIFT and CNTL Keys The data
format of the Key code in scanned keyboard
5 Write
a note on
(a) RS
232 standard
(b) IEEE 488 standard 5+5 10
Answer:
A) RS232 Standard
RS232 standard is developed by the Electronic Industry
Association (EIA) in 1962 and was revised and renamed as RS232C. RS stands for
"recommended standard." This is a standard hardware interface used
for implementing asynchronous serial data communication ports on devices such
as CRT terminals, printers, modems and keyboards. RS-232 can be plugged
straight into the computer’s serial
6 Write
short note on:
a)
Parallel Printer Interface (LPT)
b)
Universal Serial Bus (USB) 5+5 10
Answer:
A)
Parallel Printer Interface
(LPT)
The parallel printer interface
(LPT) is located on the rear panel of the PC. The LPT stands for line printer.
The Parallel Port Interface on the PC compatible computer is one of the most
flexible interfaces for connecting the PC to a wide range of devices. The
interface was originally intended purely for
Get fully solved assignment. Buy online from website
online store
or
plz drop a mail with your sub code
we will revert you within 2-3 hour or immediate
Charges rs
125/subject and rs 500/semester only.
if urgent then call us on 08791490301, 08273413412
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