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1. ARM is a semiconductor company, it makes MCU ICs. 2 points True False 2 points 2. CISC CPUs follow Von Neumann architecture and RISC CPUs use Harvard architecture. True False 3. In Discovery kit, STLink can be used to program and debug the MCU om 2 points the board. True False 4. In a C program, what does the following code do? GPIOB->MODER&=- 2 points (0x30): toggle bit 4 and 5 clear bit 4 and 5 set bit 4 and 5 check bit 4 and 5 2 points 5. If the physical memory address has 20 bits, the maximum amount of memory it can access is 1GB 1 MB 1KB 4GB 2MB 6. "LDR R1. [RO, #4)" updates the base address and uses updated memory 2 points access to access memory content. What is the addressing mode? Pre-index Post-index Pre-index with Update 2 points 7. In arithmetic instructions, data stored in the memory can be as ALU operands directly, for example, SUB RO, R1. [R2] is a valid assembly statement True False 2 points 8. Assembly directives are actual machine commands and can be translated into 32-bit machine code by the assembler. True False