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Test: Memory of Embedded System - Computer Science Engineering (CSE) MCQ


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15 Questions MCQ Test - Test: Memory of Embedded System

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Test: Memory of Embedded System - Question 1

It retains its content when power is removed. What type of memory is this?

Detailed Solution for Test: Memory of Embedded System - Question 1

Explanation: Nonvolatile devices are those which always retains it content even when any abrupt change occurs and nonvolatile memory are a kind of such devices. But RAM is a volatile memory which is a primary storage that can only access its data only when the device is powered and SRAM is a type of RAM which is called Static RAM.

Test: Memory of Embedded System - Question 2

Name a volatile memory.

Detailed Solution for Test: Memory of Embedded System - Question 2

Explanation: Volatile memory is those which can access data only when the device is powered.

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Test: Memory of Embedded System - Question 3

Name a nonvolatile memory.

Detailed Solution for Test: Memory of Embedded System - Question 3

Explanation: Non-volatile memory is the one which retains its content even when the power is removed. This is done by an on-chip read only memory (ROM) or an external EPROM. The software that it contains the program which is capable of obtaining the full software from another source within or outside of the system. This initialisation routine is also referred to as bootstrap program or routine.

Test: Memory of Embedded System - Question 4

The initial routine is often referred to as

Detailed Solution for Test: Memory of Embedded System - Question 4

Explanation: ROM contains the program which is capable of obtaining the full software from another source within or outside of the system. This initialisation routine is also referred to as bootstrap program or routine.

Test: Memory of Embedded System - Question 5

What kind of socket does an external EPROM to plugged in for prototyping?

Detailed Solution for Test: Memory of Embedded System - Question 5

Explanation: Some controllers use a special package called piggyback socket on the top of the package to allow the EPROM for prototyping.

Test: Memory of Embedded System - Question 6

Which one of the following is UV erasable?

Detailed Solution for Test: Memory of Embedded System - Question 6

Explanation: EPROM is an erasable program and it can be erased by ultraviolet radiations. SRAM and DRAM are volatile memories. Flash memory to is a volatile memory but it is not UV erasable.

Test: Memory of Embedded System - Question 7

What kind of memory does an OTP have?

Detailed Solution for Test: Memory of Embedded System - Question 7

Explanation: OTP is one-time programming so it should possess a nonvolatile memory and EPROM is a nonvolatile memory whereas SRAM, DRAM and RAM are volatile memories.

Test: Memory of Embedded System - Question 8

Which type of memory is suitable for low volume production of embedded systems?

Detailed Solution for Test: Memory of Embedded System - Question 8

Explanation: The devices which use non-volatile memory allow the software to download and returned in the device. UV erasable EPROM is favorable but EEPROM is also a gaining favor. Therefore, this type of memory is used in low volume production.

Test: Memory of Embedded System - Question 9

Which is the single device capable of providing prototyping support for a range of microcontroller?

Detailed Solution for Test: Memory of Embedded System - Question 9

Explanation: Umbrella device is capable of providing prototyping support for a range of microcontrollers.

Test: Memory of Embedded System - Question 10

What type of memory is suitable for high volume production?

Detailed Solution for Test: Memory of Embedded System - Question 10

Explanation: Read Only Memory is suitable for high volume production since it is a nonvolatile memory.

Test: Memory of Embedded System - Question 11

What type of memory is suitable for medium volume production?

Detailed Solution for Test: Memory of Embedded System - Question 11

Explanation: One-time programmable memory is also a nonvolatile memory so it is used for medium volume production.

Test: Memory of Embedded System - Question 12

How an embedded system communicate with the outside world?

Detailed Solution for Test: Memory of Embedded System - Question 12

Explanation: The system communicates with the outside world through peripherals.

Test: Memory of Embedded System - Question 13

How the input terminals are associated with the external environments?

Detailed Solution for Test: Memory of Embedded System - Question 13

Explanation: Sensors measures the physical quantity and convert it into electrical means whereas actuators convert electrical quantity into physical quantity.

Test: Memory of Embedded System - Question 14

Which of the following are external pins whose logic state can be controlled by the processor to either be a logic zero or logic one is known as

Detailed Solution for Test: Memory of Embedded System - Question 14

Explanation: Binary values possess logic zeros and logic ones.

Test: Memory of Embedded System - Question 15

 What kind of visual panel is used for seven segmented display?

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