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1.Which one of the following is a microcontroller from Motorola ?

1.MC68HC05 .
2.4004.
3.MIPS.
4.8080.

3.How many bits does MC68HC05 possess ?

1.4
2.8
3.16
4.32.

4. What is the bit size of the program counter in MC68HC05 ?

1.7
2.9
3.13
4.17

5.Which of the following microcontroller is used in engine management system ?

1.MC68HC05
2.MC68HC11
3.Intel 80286
4.Intel 8086.

6.Which is the concatenated register of MC68HC11 ?

1.D.
2.X.
3.IP.
4.DI.

7.What does CCR stand for ?

1.Condition code register.
2.Computing code register.
3.Complex code register.
4.Code control register.

8.How many bytes of EPROM does MC68HC7054A possess ?

1.176 bytes
2.240 bytes
3.4144 bytes
4.1024 bytes

9.Which of the following is an 8-bit command in MC68HC11 ?

1.Add
2.Shift
3.Multiply
4.Subtract

10. Which one of the following is an asynchronous communication channel ?

1.SPI.
2. MUDs.
3.MOO.
4.VOIP.

11.Which of the following microprocessor is designed by Zilog ?

1.Z80.
2. Zigbee.
3.80386.
4.8087.

12.Z80 is mainly based on ?

1.Intel 8080.
2. MIPS.
3.TIMS.
4.8051.

13.Flag register of Z80 is also known as ?

1.Program status register.
2.Program status address.
3.Program status word .
4.Program address register

14.What are the two register sets used in Z80 ?

1.C’D’ and BC’.
2.CD and BD.
3.Main and alternate .
4.IV and MR

15.How an alternate set of the register can be identified in Z80.?

1.‘Suffix.
2. ‘Prefix.
3.,suffix.
4.,prefix.