BSNL TTA MCQ Part Three

BSNL TTA MCQ Part Three

BSNL TTA MCQ Part Three

Category –BSNL Online Test

Telegram-Join Us On Telegram

Attempt Free BSNL TTA MCQ Part Three Here. Read The Important BSNL MCQ From Below.

FROM TODAY WE ARE GOING TO START A NEW PAGE BSNL TTA (JE) 200 EXPECTED QUSTIONSON THIS YOU CAN DOWNLOAD PDF FILE OF 200 EXPECTED QUESTIONS WITH OPTIONS AND ANSWER. ON EVERY SUBJECT OF BSNL TTA(JE) .
NOTE.1.EVERY SUBJECT IS DIVIDED IN TWO PART-
PART ONE(100 QUESTIONS)
PART TWO(100 QUESTIONS)
2. IN PDF (V)  NOTIFYING THE CORRECT ANSWER
3.ANY FEED BACK AND QUERY IS ALWAYS WELCOME
THIS IS THE 20 QUESTIONS SAMPLE OF PDF
TO DOWNLOAD FULL PDF FILE CLICK HERE

1) Which one of the following is not a vectored interrupt?
A [ ]) TRAP.
B [v]) INTR.
C [ ]) RST 7.5.
D [ ]) TRAP.
2) 8085 microprocessor has how many pins
A [ ]) 30
B [ ]) 39
C [v]) 40
D [ ]) 41
BSNL TTA MCQ Part Three
3) In 8085 microprocessor, the RST6 instruction transfer programme execution to following location
A [v]) 0030H
B [ ]) 0024H
C [ ]) 0048H.
D [ ]) 0060H.
4) HLT opcode means
A [ ]) load data to accumulator
B [ ]) store result in memory
C [ ]) load accumulator with contents of register.
D [v]) end of program
5) In 8085 name of the 16 bit registers is
A [ ]) stack pointer
B [ ]) program counter
C [v]) both

D [ ]) none of these

BSNL TTA MCQ Part Three
6) What is SIM?
A [ ]) Select interrupt mask
B [ ]) Sorting interrupt mask.
C [v]) Set interrupt mask.
D [ ]) None of these.
7) The ROM programmed during manufacturing process itself is called
A [v]) MROM
B [ ]) PROM
C [ ]) EPROM
D [ ]) EEPROM
8) A field programmable ROM is called
A [ ]) MROM
B [v]) PROM
C [ ]) FROM
D [ ]) FPROM
BSNL TTA MCQ Part Three
9) A combinational PLD with a fixed AND array and a programmable OR array is called a
A [ ]) PLD
B [v]) PROM
C [ ]) PAL
D [ ]) PLA
10) A combinational PLD with a programmable AND array and a fixed OR array is called a
A [ ]) PLD
B [ ]) PROM
C [v]) PAL
D [ ]) PLA
11) A combinational PLD with a programmable AND array and a programmable OR array is called a
A [ ]) PLD
B [ ]) PROM
C [ ]) PAL
D [v]) PLA
BSNL TTA MCQ Part Three
12) A mask programmed ROM is
A [v]) programmed at the time of fabrication
B [ ]) programmed by the user
C [ ]) erasable and programmable
D [ ]) erasable electrically
13) The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate
number of wait state clock cycles denoted by Tw. The wait states are always inserted between
A [ ]) T1 & T2
B [ ]) T2 & T3
C [v]) T3 & T4
D [ ]) T4 & T1
14) Which one of the following circuits transmits two messages simultaneously in one direction
A [ ]) Duplex
B [v]) Diplex
C [ ]) Simplex
D [ ]) Quadruplex
BSNL TTA MCQ Part Three
15) The program counter in a 8085 micro-processor is a 16-bit register, because
A [ ]) It counts 16-bits at a time
B [v]) There are 16 address lines
C [ ]) It facilitates the user storing 16-bit data temporarily
D [ ]) It has to fetch two 8-bit data at a time
16) A microprocessor is ALU
A [ ]) and control unit on a single chip.
B [ ]) and memory on a single chip.
C [ ]) register unit and I/O device on a single chip.
D [v]) register unit and control unit on a single chip.
17) Inintel 8085A microprocessor ALE signal is made high to
A [v]) Enable the data bus to be used as low order address bus
B [ ]) To latch data D0-D7 from data bus
C [ ]) To disable data bus
D [ ]) To achieve all the functions listed above
18) Output of the assembler in machine codes is referred to as
A [v]) Object program
B [ ]) Source program
C [ ]) Macroinstruction
D [ ]) Symbolic addressing
BSNL TTA MCQ Part Three
19) Which of the following statements for intel 8085 is correct?
A [ ]) Program Counter (PC) specifies the address of the instruction last executed
B [ ]) Program Counter (PC) specifies the address of the instruction last executed
C [v]) PC specifies the address of the instruction being executed
D [ ]) PC specifies the number of instructions executed so far
20) A good assembly language programmer should use general purpose registers rather than memory in maximum possible ways for data processing. This is because:
A [ ]) Data processing with registers is easier than with memory
B [ ]) Data processing with memory requires more instructions in the program than  that  with registers
C [ ]) Of limited set of instructions for data processing with memory
D [v])  Data processing with registers takes fewer cycles than that with memory

BSNL TTA MCQ Part Three