Question 11 : By which instruction does the switching of registers take place?
1. Instruction opcodes
2. AXX instruction
3. EXX instruction
4. Register instruction
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Question 12 : Which of the following microprocessor is designed by Zilog?
1. Z80
2. Zigbee
3. 80386
4. 8087
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Question 13 : How many bytes of EPROM does MC68HC7054A possess?
1. 176 bytes
2. 240 bytes
3. 4144 bytes
4. 1024 bytes
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Question 14 : What is done in mode1 of Z80?
1. Interrupt vector is supplied via the external bus
2. Interrupt vector is supplied via the peripherals
3. NMI gets started
4. Interrupt gets acknowledge from peripheral
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Question 15 : How an embedded system communicate with the outside world?
1. Peripherals
2. Memory
3. Input
4. Output
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Question 16 : How an alternate set of the register can be identified in Z80?
1. 'Suffix
2. 'Prefix
3. ,suffix
4. ,prefix
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Question 17 : How many bits does an MC6800 family have?
1. 16
2. 32
3. 4
4. 8
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Question 18 : It retains its content when power is removed. What type of memory is this?
1. Volatile memory
2. Nonvolatile memory
3. RAM
4. SRAM
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Question 19 : Which of the following can be a paired set of 16-bit register?
1. CD
2. HL
3. AB
4. EH
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Question 20 : Which one of the following is a microcontroller from Motorola?
1. MC68HC05
2. 4004
3. MIPS
4. 8080
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