1. A certain RAM memory has a capacity of 8K X 16. a) How many memory cells ( lo

Question

1.       A certain RAM memory has a capacity of 8K X 16.

a)       How many memory cells (locations) does this RAM have?

b)       How many bits will be required to specify the address bus in this memory device?

c)       How many I/O lines does it have?

d)       What is its capacity in bytes?

2.       What are the three basic computer buses?

3.       What does DMA in the computer stand for? What purpose does it serve?

4.       If we define the resolution of a Digital-to-Analog Conversion (DAC) device to be the reciprocal of its number of logic states in percentage, what will be the resolution of an 8-bits DAC device?

5.       If a DAC device has a full-scale, or maximum, output of 15-V across 16 consecutive steps from ground of 0-V, then what is the maximum error in Volts for any given output voltage?

6.       In a recent Synchronous DRAM (SDRAM), there is a term called

Explanation / Answer

1) a)memory cells = 8*1024*16 =131072

b)

    2^n = 8*1024

       n = 13

number of bit   = 13

c) 16

d) byte capacity =16384 byte

2) address bus , data bus , UsB

3) Dynamic memory access

4) resolution =1/8 =0.125

5) maximum error = 15/(16*2) =0.46 v

6) Double data rate

7) analog to digital converter

8. )

b)       greater than twice the highest signal frequency

9) no

10) number of memory block = 1024k/(128*k) = 8

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.