1. What is the cycle time of the above CPU? a. 2/4510 sec b. 1/(2 * 10 ^ 9) sec
ID: 3907665 • Letter: 1
Question
1. What is the cycle time of the above CPU?
a. 2/4510 sec
b. 1/(2 * 10 ^ 9) sec
c. 4 sec
d. 1600 sec
2. How many single cycle instructions can be executed by this laptop in 1 sec?
a. 2 million
b. 2 * 230
c. 2 * 109
d. Cannot determine
3. Which one of the following is the fastest memory in this laptop?
a. 1 TB HD
b. 8 GB RAM
c. 4 MB L3 Cache
d. 2 GHz i7
4. What is the size of the dedicated video memory?
a. 2 GB
b. 231 Bytes
c. 234 bits
d. All correct
5. How many bits are required to address the whole RAM of the above computer (assume byte addressing is used without any extention mechanism)?
a. 33 bits
b. 32 bits
c. 31 bits
d. 30 bits
Operating System Microsoft Windows 8.1 Processor 4th generation Intel® Core™ i7-4510U Processor (2.0GHz, 4MB L3 8GB 1600MHz DDR3L SDRAM (1 DIMM) Memory Hard Disk Drive 1TB (5400RPM) hard drive Display Graphics 14.0-inch diagonal HD BrightView LED-backlit Display (1366x768) NVIDIA® GeForce 840M Graphics with 2048MB of dedicated video memoryExplanation / Answer
Q1
b. 1/(2 * 10 ^ 9) sec
as the frequency is 2GHz
Q2
c. 2 * 10^9
as the frequency is 2GHz and each instruction takes 1 cycle
Q3
c. 4 MB L3 Cache
Cache is the fastest memory
Q4
a. 2 GB as mentioned in the specifications
Q5
as the ram is 8GB and if we assume the location is byte addressed
hence 2^33=8G memory locations and hence 33 bits will be required
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