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WorksheetsMCA Inter Practice Quiz
Total questions: 113
Worksheet time: 2hrs 53mins
Name
Class
Date
1.
A microcontroller is a….......... Chip integrating all the functions of a computer.
a)
multiple
b)
triple
c)
double
d)
single
2.
The heart of microcontroller is…...
a)
RAM
b)
ROM
c)
microprocessor
d)
timer
3.
Microprocessor is also known as
a)
micro-controller
b)
micro-processing unit
c)
cental-processing unit
d)
Both B.) and C.)
4.
The first generation microprocessor contained how many bits?
a)
2-bit
b)
4-bit
c)
8-bit
d)
10-bit
5.
The first 8-bit microprocessor is…..
a)
8008
b)
8004
c)
8051
d)
8086
6.
Microcontrollers are not called general purpose computers because…......
a)
they have built in RAM and ROM
b)
they design to perform dedicated task
c)
they consume less power
d)
they are cheap
7.
If the microcontroller is 8-bit then here 8-bit denotes the size of:
a)
ALU
b)
control bus
c)
data bus
d)
address bus
8.
Microcontroller is a/an….........circuit that functions as the CPU of the computer.
a)
integrating
b)
elecronic
c)
processing
d)
mechanic
9.
The entire functioning of the microprocessor is controlled by…...........
a)
ALU
b)
control unit
c)
general purpose registers
d)
peripherals interfaced
10.
Which among the processor supports single cycle instruction?
a)
CISC
b)
RISC
c)
Both
d)
None of the two
11.
RISC stands for ________________________
a)
Reduced Instruction Set Controller
b)
Reuse Instruction Set Controller
c)
Reduced Instruction Set Computer
d)
None of the above
12.
CISC stands for _____________________________
a)
Complex Instruction Set Computer
b)
Complex Instruction Set Controller
c)
Complex Interrupt Set Controller
d)
None of the above
13.
Which among the following follows RISC architecture?
a)
8051
b)
PIC
c)
AMD
d)
Both A.) and B.)
14.
Which of the following follows CISC architecture?
a)
INTELx86
b)
SUN's SPARC
c)
PIC
d)
8051
15.
Which among the following uses RISC architecture?
a)
Smart phones
b)
Tablets
c)
Microcontrollers
d)
All the above
16.
RISC Processor consumes ___________ power.
a)
less
b)
more
c)
very high
d)
None of these
17.
Which among the following supports easy pipeling?
a)
Harvard
b)
Von-Nueman
c)
Both
d)
None of the above
18.
The processing unit of __________ architecture, requires two clock cycles to complete an instruction.
a)
Harvard
b)
Von-Nueman
c)
Both
d)
None of these
19.
The processing unit of __________ architecture, requires only one clock cycle to complete an instruction.
a)
Harvard
b)
Von-Nueman
c)
Both
d)
None of the two
20.
Which among the following architecture involves less expenses in designing and developing the control unit ?
a)
Harvard
b)
Von-Nueman
c)
Both
d)
None of the above
21.
Which of the following has Harvard architecture?
a)
microcontroller
b)
Digital signal processor(DSP)
c)
workstations
d)
Both microcontroller & DSP
22.
8051 Microcontroller follows _____________ architecture
a)
Harvard
b)
Von-Nueman
c)
super harvard
d)
None of these
23.
PIC Microcontroller follows _____________ architecture
a)
Harvard
b)
Von-Nueman
c)
super harvard
d)
None of these
24.
The size of memory is measured in------------------.
a)
Byte
b)
Kilo Bytes
c)
Mega Bytes
d)
All of these
25.
The Basic Memory Element is ______________.
a)
Register
b)
Adder
c)
Flip Flop
d)
Multiplexer
26.
The Latch / Flip Flop can store _________ Bit of Data.
a)
1-Bit
b)
2-Bit
c)
4-Bit
d)
8-Bit
27.
The Meomry cell is a fundamental building block of ____________.
a)
Multiplexer
b)
Encoder
c)
Adder
d)
Computer memory
28.
The _______ pin used to make enable to write data in to the Memory.
a)
Read
b)
Write
c)
chip select
d)
none
29.
Memory-mapping is a mechanism that maps a_________
a)
Portion of file
b)
Entire file
c)
1 & 2
d)
none
30.
How many address lines are required to identify 4 Registers with 8 cells are arranged in sequence.
a)
1
b)
3
c)
4
d)
2
31.
How many address lines are requiredfor 4*8 bit register
a)
1
b)
2
c)
3
d)
4
32.
Cache memory used to store for the perpose of____________
a)
Large Data
b)
Fixed data
c)
frequently used data
d)
small data
33.
________ Register are there in 64Kbytes memory
a)
1024
b)
2048
c)
4096
d)
65536
34.
RAM is _____________ memory.
a)
Volatile
b)
Non Volatile
c)
Fixed
d)
None
35.
How many address lines are required to identify 2 kilo Bytes of Memory.
a)
4
b)
8
c)
10
d)
11
36.
The function of chip selest pin is _______
a)
Enable Memory
b)
Disable Memory
c)
Read from Memory
d)
Write to Memory
37.
How many registors are there in 2 kilo Bytes of Memory.
a)
1024
b)
64
c)
2048
d)
4096
38.
The ___________ Memory is the Fastest type of Memory.
a)
RAM
b)
ROM
c)
Flash
d)
Cache
39.
Dynamic RAM Memory is made up of ____________
a)
Resistor
b)
Flip Flop
c)
Lacth
d)
Capacitor & Transistor
40.
In Static RAM How many transitors are used to store one bit of data ___________.
a)
2
b)
1
c)
8
d)
6
41.
The ___________ Memory is the Solid State Memory.
a)
Pen Drive
b)
SD card
c)
EEPROM
d)
1 & 2
42.
All the address lines are used to identify the memory location is called ___________.
a)
Partial Decoding
b)
Full Decoding
c)
Full Enocoding
d)
Partial Enocoding
43.
EPROM data can be erased once it’s programmed by exposing it to a ____________
a)
Electrical signal
b)
UV (ultraviolet) light
c)
Current
d)
Voltage
44.
The solid-state memory or solid-state drive (SSD) is an electronic storage device that stores data__________
a)
permanently
b)
temporarily
c)
both
d)
None
45.
In Dynamic RAM How many transitors are used to store one bit of data ___________.
a)
1
b)
2
c)
4
d)
6
46.
In __________ Memory The data in each cell is stored & maintained by a fuse
a)
ROM
b)
PROM
c)
EPROM
d)
EEPROM
47.
EPROM (Erasable Programmable Read-Only Memory)
a)
Volatile
b)
Non Volatile
c)
both
d)
None
48.
Expansion of EEPROM
a)
Programmable Read only memory
b)
Electrical prgrammable read only memory
c)
Electrically Erasable Programmable Read-Only Memory
d)
Random Aceess Memory
49.
how many bit micro controller 8051 is?
a)
4 bit
b)
8 bit
c)
16 bit
d)
32 bit
50.
What is ROM size of 8051 micro controller?
a)
4 Kb
b)
8Kb
c)
64Kb
d)
128bytes
51.
how many Timers are avaliable in 8051 micro controller?
a)
4
b)
3
c)
2
d)
1
52.
How many 8 bit I/O ports are avaliable in 8051 micro controller?
a)
4
b)
3
c)
2
d)
1
53.
What is the clock frequency of 8051 micro controller?
a)
8 MHz
b)
16MHz
c)
10MHz
d)
12MHz
54.
How many Bit Accumalator register is avaliable in 8051 micro controller?
a)
4 bit
b)
16 bit
c)
8 bit
d)
32 bit
55.
A program status word contains_____
a)
Set of flags
b)
Set of registers
c)
Accumulator
d)
DPTR
56.
How many bit DPTR is avaliable in 8051 micro controller?
a)
8 bit
b)
16 bit
c)
32 bit
d)
64 bit
57.
Which of the fallowing is not a Flag in PSW?
a)
PCON
b)
CARRY
c)
PARITY
d)
OVER FLOW
58.
Which of the fallowing is not a control register?
a)
PCON
b)
SCON
c)
TMOD
d)
TIMER
59.
How many bit stake pointer a 8051 controller will have?
a)
16 bit
b)
32 bit
c)
8 bit
d)
4 bit
60.
What is opertaion of a Stake pointer?
a)
Storing
b)
shifting
c)
Accumulator
d)
ALU
61.
What is the RAM size in 8051 micro controller?
a)
64Kb
b)
1024Kb
c)
128 bytes
d)
64 bytes
62.
What is adress range special function registers in RAM of 8051?
a)
10H to 50H
b)
8H to FFH
c)
80 H to FF H
d)
800H to FFH
63.
How many 8 bit I/O ports avaliable in 8051?
a)
1
b)
2
c)
3
d)
4
64.
In 8051 RAM memory ,the address range 08h-0FH is located in which bank.
a)
BANK 0
b)
BANK 1
c)
BANK 2
d)
BANK 3
65.
The address range of general purpose RAM area in 8051 is ___.
a)
00H-FFH
b)
00-1FH
c)
20H-2FH
d)
30H-7FH
66.
The total register bank area is divided in to _____ banks in 8051.
a)
1
b)
2
c)
3
d)
4
67.
For setting the first pin of PORT 1,the instructon used in 8051 is __
a)
setb P1.0
b)
setb P1.1
c)
set P1.0
d)
set P1.1
68.
Which is the default bank in 8051?
a)
BANK 0
b)
BANK 1
c)
BANK 2
d)
BANK 3
69.
Which pins are used for interfacing an external crystal to get the system clock
a)
PIN 10,11
b)
PIN 18,19
c)
PIN 30,31
d)
PIN 12,13
70.
PSEN stands for ___________
a)
Public Store Enable.
b)
Program Store & Exit.
c)
Program Store Enable.
d)
Password Store Enable.
71.
At what PIN number, there is EA pin which stands for External Access input?
a)
PIN 28
b)
PIN 29
c)
PIN 30
d)
PIN 31
72.
Which output control signal is activated after every six oscillator periods while fetching the external program memory and almost remains high during internal program execution ?
a)
ALE
b)
PSEN
c)
EA
d)
All of the above
73.
A HIGH on which pin resets the 8051 microcontroller?
a)
RESET
b)
RST
c)
PSEN
d)
RSET
74.
Which Port of 8051 microcontroller will shared by Address as well as Data bus?
a)
PORT0
b)
PORT1
c)
PORT2
d)
PORT3
75.
The higher address (A8-A15) is available in ____port in 8051.
a)
PORT0
b)
PORT1
c)
PORT2
d)
PORT4
76.
In 8051 _____ port is used for serial communication.
a)
PORT 3
b)
PORT0
c)
PORT1
d)
PORT2
77.
How many ports does a 8051 microcontroller have?
a)
8
b)
4
c)
2
d)
1
78.
Which is the multifunctional port of 8051 microcontroller?
a)
PORT0
b)
PORT1
c)
PORT3
d)
PORT2
79.
What is the maximum operating frequency of PIC16F877A ?
a)
20MHz
b)
8Mhz
c)
4MHz
d)
1MHz
80.
PIC Microcontroller is ____ processor
a)
CISC
b)
RISC
c)
Both
d)
None
81.
PIC stands for ______.
a)
Peripheral interrupt controller
b)
Peripheral Interface Computer
c)
Peripheral Interface Controller
d)
Peripheral interrupt computer
82.
PIC16f877A Microcontroller is _____ bit controller.
a)
4
b)
16
c)
32
d)
8
83.
The manufacture of PIC microcontroller is ______.
a)
Intel
b)
Microchip
c)
Zilog
d)
Atmel
84.
In the PIC 16F877A, the program Counter is ______bit wide
a)
16
b)
12
c)
13
d)
8
85.
FSR stands for_____________
a)
File Select Register
b)
File Set Register
c)
File Status Register
d)
None of the above
86.
In a PIC16F877A, the size of memory EEPROM is ____ byte.
a)
8K
b)
128
c)
256
d)
512
87.
To configure PORTC as an input or output Port we must use___ SFR.
a)
TRISB
b)
TRISA
c)
TRISD
d)
TRISC
88.
The File register space in PIC16F877A is divided into ___ banks
a)
2
b)
3
c)
4
d)
1
89.
Which timer can be used for both prescaler and postscaler?
a)
TIMER-0
b)
TIMER-0,TIMER-1
c)
TIMER-1
d)
TIMER-2
90.
In the PIC16F877A microcontroller has total _____ I/O pins.
a)
32
b)
33
c)
34
d)
30
91.
_______ SFR used to show the current status of PIC16F877A.
a)
STATUS
b)
FSR
c)
INDF
d)
TRISC
92.
Indirect addressing is done through _______.
a)
INTCON
b)
INDF
c)
STATUS
d)
None
93.
W register is ____ bit wide.
a)
8
b)
16
c)
32
d)
12
94.
The memory location reserved for reset vector is
a)
0000h
b)
0001h
c)
0004h
d)
0003h
95.
PIC16F877A has a _______bit program counter
a)
8-bit
b)
16-bit
c)
13-bit
d)
32-bit
96.
The memory location reserved for interrupt vector is
a)
0000h
b)
0001h
c)
0004h
d)
0003h
97.
Which among the below specified registors are addressable only from bank1 of data memory ?
a)
PORTB (06H)
b)
FSR(04H)
c)
ADCON0(07H)
d)
PORTA(05H)
98.
Which register acts as an input-output control as well as data direction register for PORTA in bank 2 of DATA MEMORY ?
a)
TRISB
b)
INDF
c)
TRISA
d)
PCLATH
99.
When do the special address 004H get automatically loaded into the program counter?
a)
After the execution of RESET action in program counter
b)
After the execution of 'goto Mainline ' instruction in the program memory
c)
At the occurrence of interrupt into the program counter
d)
At the clearance of program counter with no value
100.
The RPO status register bit has the potential to determine the effective address of
a)
Indirect adressing mode
b)
Direct adressing mode
c)
Immediate adressing mode
d)
none of the above
101.
Which flags are more likely to get affected in status registers by Arithmetic and Logical Unit of PIC 16F877A on the basis of instructions execution
a)
carry (C) flags
b)
Zero (Z) flags
c)
Digit carry (DC) flags
d)
all of the above
102.
Which condition/s of MCLR (master clear) pin allow to reset the PIC?
a)
HIGH
b)
LOW
c)
MODERATE
d)
all of the above
103.
Which command enables the PIC to enter into the power down mode during the operation of watchdog timer(WDT)
a)
SLEEP
b)
RESET
c)
STATUS
d)
CLEAR
104.
The total number of pins PIC16F877A has _____
a)
28
b)
32
c)
64
d)
40
105.
MCLR stands for
a)
master controlled reset
b)
master controlled restart
c)
master clear reset
d)
master clear restart
106.
Which is the TIMER0 external clock input pin
a)
RC0/T1CK1
b)
RA4/T0CK1
c)
RC1/T1OS1
d)
RC3/SCK
107.
RC6/TX pin is used for
a)
serial clock
b)
serial data rejection
c)
serial data transmission
d)
serial data reception
108.
MSSP stands for
a)
main synchronous serial port
b)
master synchronous service port
c)
master synchronous slave port
d)
master synchronous serial port
109.
The I2C and SPI protocols are related to
a)
CCP
b)
USART
c)
MSSP
d)
PSP
110.
Setting the TRIS B into logic ‘1’ makes the corresponding
“PORT B” pin as an_____________
a)
output pin
b)
input pin
c)
both input and output pin
d)
none of the above
111.
PSP stands for
a)
parallel slave port
b)
parallel serial port
c)
parallel synchronous port
d)
none of the above
112.
No.of ports in PIC16F877A are _______
a)
2
b)
3
c)
4
d)
5
113.
Setting the TRIS B into logic ‘0’ makes the corresponding
“PORT B” pin as an_____________
a)
output pin
b)
input pin
c)
both input and output pin
d)
none of the above
Reset
