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Embedded Systems Mcqs

Q:

Which of the following is a RISC architecture?

A) 80286 B) MIPS
C) Zilog Z80 D) 80386
 
Answer & Explanation Answer: B) MIPS

Explanation: MIPS possess a RISC architecture whereas 80386, 80286 and Zilog Z80 are CISC architectures.

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141
Q:

Which of the following possesses a CISC architecture?

A) MC68020 B) ARC
C) Atmel AVR D) Blackfin
 
Answer & Explanation Answer: A) MC68020

Explanation: MC68020 is having a CISC architecture. CISC architecture is used for code efficiency whereas RISC architecture is used for speeding up the processor. ARC, Atmel AVR, and Blackfin are RISC architectures.

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79
Q:

How is the protection and security for an embedded system made?

A) OTP B) IPR
C) Memory disk security D) Security chips
 
Answer & Explanation Answer: B) IPR

Explanation: Intellectual property right provides security and protection to embedded systems.

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136
Q:

What is CISC?

A) Computing instruction set complex B) Complex instruction set computing
C) Complimentary instruction set computing D) Complex instruction set complementary
 
Answer & Explanation Answer: B) Complex instruction set computing

Explanation: It is complementary to RISC architecture and has complex instruction set compared to RISC architecture.

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81
Q:

Which of the following is a 4-bit architecture?

A) MC6800 B) 8086
C) 80386 D) National COP series
 
Answer & Explanation Answer: D) National COP series

Explanation: National COP series is a 4-bit processor whereas MC6800 is an 8-bit processor, 8086 is a 16-bit processor and 80386 is a 32-bit processor.

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147
Q:

How many bits does an MC6800 family have?

A) 16 B) 32
C) 4 D) 8
 
Answer & Explanation Answer: D) 8

Explanation: MC6800 is an 8-bit processor proposed by Motorola.

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153
Q:

Which of the following offers external chips for memory and peripheral interface circuits?

A) Microcontroller B) Microcontroller
C) Peripheral system D) Embedded system
 
Answer & Explanation Answer: B) Microcontroller

Explanation: Microcontrollers are the CPUs which have integrated memory and peripherals whereas microprocessor offers external chips for memory.

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82
Q:

Which one of the following offers CPUs as integrated memory or peripheral interfaces?

A) Microcontroller B) Microprocessor
C) Embedded system D) Memory system
 
Answer & Explanation Answer: A) Microcontroller

Explanation: Microcontrollers are the CPUs which have integrated memory and peripherals but microprocessor possesses external chips for memory.

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