The PIC microcontroller

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1. What does the acronym RISC stand for? a) Read Input and Simulate Code b) Reduced Instruction Set Computer c) Rapid Integrated Software Compiler d) Random Instruction Simulation Computer.

2. Where a microcontroller is used in a stand-alone control system this is referred to as: a) an embedded application b) a distributed application c) an integrated system d) a remote control system.

3. When a microcontroller has separate buses for accessing program and data memory it is said to have: a) CISC architecture b) RISC architecture c) Harvard architecture d) Cambridge architecture.

4. Flash program memory can be erased and reprogrammed: a) electrically whilst in-circuit b) using laser optical techniques c) by means of an infra-red programmer d) using ultra-violet light and an external programming device.

5. The typical power consumption of a PIC16F microcontroller is: a) less than 2mA when operating and less than 10uA on standby b) between 2mA and 20mA when operating and less than 1mA on standby c) between 20mA and 200mA when operating and less than 1mA on standby d) approximately 200mA when operating and less than 1mA on standby.

6. The PIC16F84 has approximately: a) 35 single-word instructions b) 95 single-word instructions c) 145 single-word instructions d) 350 single-word instructions.

7. The PIC instruction CALL is used to: a) alert the watchdog timer b) pass execution to a subroutine c) generate an external interrupt signal d) check the status of an external device.

8. When several microcontrollers in different locations are working together this is referred to as: a) an embedded system b) a distributed system c) an integrated system d) a remote control system.