Q&A

How many address lines are needed for a 4k 4 memory chip?

How many address lines are needed for a 4k 4 memory chip?

12 address lines are require for 4k memory.

What is the starting address of 8 KB memory chip if the last address is Ffffh?

The starting address of an 8K byte memory chip that ends at FFFFH is E000H. 8K is 8192 (8 * 1024) which is 2000H. Subtract 2000H from FFFFH, and add 1, and you get E000H.

How many address lines are required to access 4 MB How many of these lines are connected to the address inputs of all chips?

4 MiB is 2^2 MiB so 2^22 bytes. So basically 22 address lines.

How many pages of memory does the chip include?

The address is output in two stages: the high address byte is latched, selecting a memory block within the chip (A8–A14), and the low address byte is then output direct to the memory chip low address bits (A0–A7) to select the location within that block. This divides this memory into 128 pages of 256 bytes.

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How many address lines are needed for 4K memory?

There is no difference: on a typical system RAM and ROM share the same address space, and each byte needs to have a unique address, so regardless of whether you have 4 GB of RAM or ROM you will need to have 32 address lanes.

How many address and data lines are needed for a 4K 16 memory chip?

11 address, 8 data lines.

How do you find the starting and ending address of memory?

In this example, the starting addresses of all memory chips are integer multiple of the sizes of the corresponding memory chips. ending address = starting address + memory chip size – 1.

How many address lines are necessary on the chip of 2K byte memory?

11 address lines
Consider the EPROM. It is 2k in size. 11 address lines are needed to address all the addresses inside the EPROM. A similar calculation reveals that the 2K RAM also needs 11 address lines.

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How many address lines are needed for the memory unit 2M * 16?

Since there are 16M words, the number of address lines will be 24, since 224 = 16M. Also since the word size is 32 bits, the number of data lines will also be 32.

What is the memory chip?

A memory chip is an integrated circuit made out of millions of capacitors and transistors that can store data or can be used to process code. Memory chips can hold memory either temporarily through random access memory (RAM), or permanently through read only memory (ROM).

Where are memory modules located?

A memory module is a circuit board with DRAM integrated circuits that are installed into the memory slot on a computer motherboard.

How do you find the address line for memory?

If n=2, you can address 2 locations (0, 1, 2, and 3). As you can see, number of addressable locations = n^2. This means that n=log(1024) to the base 2. Thus, n=10.

Where does the memory map of a 4k byte memory chip begin?

The memory map of a 4K byte memory chip begins at the location 2,000H. What is the specific address of the last location on the chip, and the number of pages on the chip?

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How many chips are needed to make 2K bytes of memory?

Number of bits required to address 4 bits in 1024 x 4 chip is 2. 4= 2^2. Number of bits required to address 8 bits in 2048 x 8 chip is 3. 8= 2^3. Therefore number of memory chip needed=2^3/2^2=2. Therefore total number of chips needed to make 2K bytes of memory =2+2=4. So 4 chips are needed.

What is the last location address of 4KB memory in Linux?

As per the question above, our last location address is FFFF. reg [15:0] mem [0:255] ==> which implies a 4kb memory . Now, starting from “4096–1” locations i.e 4095 (In Decimal) ~ 0FFF (In Hexadecimal)

What is the last address of a 4K bank in binary?

If the base address of a 4K bank is N, the last address in the bank is N+4095. I’ll let you work out what that is in binary or hex. I’m not going to do your homework for you. 8 clever moves when you have $1,000 in the bank.