1. What is the highest address of a 264K x 8 memory with base address of 00000 (

Question

1. What is the highest address of a 264K x 8 memory with base address of 00000 (hex)? a. 0FFFF b. 1FFFF c. 3FFFF d. 7FFFF 2. What is the last location of a 12Kbyte memory starting at location $1000? a. $2FFF b. $3FFF c. $40FF d. $4FFF 3. Where do all arithmetic and logic operations take place in the HCS12 microcontroller? a. ALU b. cache c. peripheral d. memory 4. What are the three basic buses in a computer? a. data, address, control b. data, address, interface c. address, interface, control d. data, address, peripheral 5. Computers operate using two basic cycles called: a. read, write b. send, receive c. fetch, execute d. access, operate 6. A microcontroller usually has which of the following on-chip? a. CPU b. memory c. I/O d. all the above 7. A hypothetical microprocessor has 128 instructions. What is the minimum size of the op code? a. 7 bits b. 8 bits c. 10 bits d. 12 bits 8. What is the maximum memory size for a microcontroller with a 20-bit address bus? a. 16 Kbyte b. 32 Kbyte c. 64 Kbyte d. 1 Mbyte 9.

Explanation / Answer

1. a 2.c 3.a 4.a 5.d 6.d 7.a 8.c 9.b 10.c

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