Twitter because it is a social media app
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Answer:
31 bits.
Explanation:
Given, total number of registers = 55
Total instructions = 60
Size of memory = 16 KB
Now, no of registers are 55. We find the next greater or equal power of 2 which is 64 = 26. Hence, 6 bits are required to represent a register operand.
Number of instructions = 60. We find the next greater or equal power of 2 which is 64 = 26. Hence, 6 bits are required to represent a instruction.
Size of memory = 64 KB = 26 * 210 * 23 bits = 219 bits. Hence, 19 bits are required to represent a memory location.
Now, an instruction has 2 parts, opcode and operand. As given there are only two address instructions which are memory operand and register operand.
Hence, total bits would be: 6 bits (opcode) + 6 bits (register operand) + 19 (memory operand) = 31 bits.
In Nathan's scenario in which his system is running low on storage space he should consider adding a hard drive to his personal computer. A hard drive is the hardware device, a secondary storage device that increases the system's storage space.
Adding a new hard drive to a desktop PC is really simple. Nathan should only put the new hard drive in the empty 3.5-inch drive bays. The hard drive permanently stores and retrieves data on a computer.
Answer: (B) &x
Explanation:
Here whenever any variable is stored let it be integer, char, float it is always stored in a memory location assigned as '&'. Here the location where x is stored is denoted as '&x' which means memory address of x. *x means the pointer which is pointing to the memory address of x.