1. True/False Selections (3 a. One kilobyte is equal to 1000 bytes. b. A kilobyte represents 10 power of two. A computer hardware system is composed of three components: CPU, Memory and I/O Ports. d. A decimal number 158 can be converted to a binary number 10011110. A decimal number 158 can be converted to a hexadecimal number 0x9E. f. The Boolean OR operation is also known as Boolean sum. The Boolean function F(x, y, z) = (y + x)(y + x)(y'+z) is equivalent to yz. h. A memory system that has a byte-addressable memory size of 256KB needs 16 address lines. i. In the MARIE computer model, AC is a 16-bit register and the PC is a 12-bit register. j: _In the MARIE model, a fetching-decoding-executing process is performed for each instruction