A processor can support a maximum memory of (4 GB) where memory is word addressable and a word is 2 bytes. What will be the size of the address bus of the processor?
Pick an option to check yourself, or open the answer below.
Show answer & explanation
Correct answer: C. At least 31 bits
Explanation
4 GB of 2-byte words = 2³¹ words, needing at least 31 address bits.
More Computer System Architecture questions
- The Boolean expression Ā·B + A·B̄ + A·B is equivalent to
- In computers, subtraction is generally carried out by
- Consider the following Boolean equations: (i) wx + w(x + y) + x(x + y) = x + wy (ii) (w x̄ (y + x z̄) + w̄ x̄) y = x̄ y What can you say ab…
- Consider the following statements : (i) Auto increment addressing mode is useful in creating self-relocating code. (ii) If auto increment a…
- A computer uses a memory unit with 256K words of 32 bits each. A binary instruction code is stored in one word of memory. The instruction h…
- Consider the following x86 assembly language instructions: MOV AL, 153 NEG AL The contents of the destination register AL (in 8-bit binary)…