Basic Embedded Systems quiz

Basic Embedded Systems quiz

This is a quiz on basics of embedded systems

1. A volatile memory is one in which

data is lost if power is removed
data is not lost if power is removed
data can be written only once
data can be erased using UV rays


2. Which has more number of transistors SRAM or DRAM

SRAM
DRAM
Both have the same number
Could be either


3. Super Speed usb is part of

USB3.0
USB2.0
USB OTG
All of them


4. PWM is generally used to control

ADC
A DC motor
Microcontrollers
MMU


5. Cache memory is made of ____ kind of memory

EPROM
Flash
DRAM
SRAM


6. If the length of wires being used for communication is too large then

Parallel communication is preferable
Serial communication is preferable
Both are same
Should be combined and used


7. Parity bit is used for

Error counting
Error Correction
Error Detection
Handshake


8. Which of the following is a serial communication protocol

Bluetooth
IEEE802.11
PCI
CAN


9. DMA stands for

Discrete Memory Access
Direct Memory Access
Direct Multiply Accumulate
Dual Memory Access


10. Generally when the time of watchdog timer expires,it causes

System reset
System to go to sleep
System to crash
System to continue its normal operations.

Answers can be found at : Answers to Basic Embedded Systems quiz