How many lines are there in control bus?

The majority of system buses are made up of 50 to 100 distinct lines for communication.

What are the 3 types of buses?

Three types of bus are used.

  • Address bus – carries memory addresses from the processor to other components such as primary storage and input/output devices.
  • Data bus – carries the data between the processor and other components.
  • Control bus – carries control signals from the processor to other components.

How many locations can be selected by 16 address lines?

Using 16 bits, you can write 65536 addresses (from 0 to 65535, that’s 65536 different addresses ), and address 65536 bytes.

How many address lines are needed 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.

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Which signal is used to indicate that the bus is busy?

Explanation: The BUS master is the one that decides which will get the BUS. Explanation: The BUS busy activated indicates that the BUS is already allocated to a device and is being used. 10.

Are buses unidirectional?

Answer: Address bus is Unidirectional because the microprocessor is addressing a specific memory location. No outside devices can not write into Microprocessor. Data bus is Bidirectional because the Microprocessor can read data from memory or write data to the memory.

What does bus mean?

1: to travel by a large motor vehicle designed to carry passengers usually along a fixed route according to a schedule: to travel by bus. 2: to work as a busboy. transitive verb.

What are the big buses called?

An articulated bus, also referred to as a bendy bus, tandem bus, vestibule bus, stretch bus, or an accordion bus, (either a motor bus or trolleybus) is an articulated vehicle used in public transportation.

Which one is not type of bus?

Discussion Forum

Que. Which of the following is not a type of bus in computer?
b. address bus
c. timer bus
d. control bus
Answer:timer bus

What is the smallest and highest address?

Indeed, if the ” smallest addressable unit” is a “4 byte word”, then it would follow that in 2^10 bytes there are 2^8 different addresses, which means that the highest address is 2^8-1 or 255.

What is a 32 bit address?

A 32 – bit address is the address of a single byte. Thirty-two wires of the bus contain an address (there are many more bus wires for timing and control). Sometimes people talk about addresses like 0x2000, which looks like a pattern of just 16 bits.

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How many address bits are required for a 512 * 4 memory?

210 = 1024, so you need 10 bits to address every byte in a kilobyte. Likewise, you need 20 bits to address every byte in a megabyte, and 30 bits to address every byte in a gigabyte. 232 = 4294967296, which is the number of bytes in 4 gigabytes, so you need a 32 bit address for 4 GB of memory.

How do I calculate an address size?

To put it another way, Step 1: calculate the length of the address in bits (n bits) Step 2: calculate the number of memory locations 2^n(bits) Step 3: take the number of memory locations and multiply it by the Byte size of the memory cells.

How many address lines are required for 1MB memory?

“20” address lines or address bus are required to span “ 1MB ” memory space. Because 1MB is equal to bytes.

How many data lines does 256 * 4 have?

How many data lines does 256*4 have? Explanation: There are four data lines in the memory and these different organisations of memory and these different organisations of memory are apparent when upgrading memory and it also determines how many chips are needed.

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