MEDIUM
HSSC Clerk
IMPORTANT
Earn 100
Which of the following units can be used to measure the speed of a computer?
50% studentsanswered this correctly
Important Questions on Computer Organization & Architecture
HARD
HSSC Clerk
IMPORTANT
Find the formula for the average access time experienced by the CPU in a system with two levels of caches.
: is the hit rate in the primary cache.
: is the hit rate in the secondary cache.
: is the time to access information in the primary cache.
: is the time to access information in the secondary cache.
: is the time to access information in the main memory.
MEDIUM
HSSC Clerk
IMPORTANT
The following are three statements about the 'locality of reference' principle used in a memory system -
1. It says that it is more likely that an already accessed memory location is accessed further, and it is more likely that surrounding (adjacent) memory locations will also be accessed.
2. It is an observation that equally widely used to implement virtual memory and cache memory systems.
3. It says that the bytes of a word be interleaved on several physical memory modules for better performance.
Which of them is/are true?
HARD
HSSC Clerk
IMPORTANT
Booth's coding in -bits for the decimal number is _____.
MEDIUM
HSSC Clerk
IMPORTANT
In which addressing mode, the effective address of the operand in generated by adding a constant value to the contents of a register?
HARD
HSSC Clerk
IMPORTANT
Suppose a cache is times faster than main memory and suppose that the cache can be used of the time. How much speed up do we gain by using the cache?
MEDIUM
HSSC Clerk
IMPORTANT
Following are some statements associated with microprocessors. Identify the false statement.
HARD
HSSC Clerk
IMPORTANT
The performance of a pipelined processor suffers if _____.
MEDIUM
HSSC Clerk
IMPORTANT
Match List-I with List-II and select the correct answer using the codes given below the list:
| List I | List II |
| A. Stack overflow. | 1. Software interrupt |
| B. Supervisor call. | 2. Internet interrupt |
| C. Invalid opcode. | 3. External interrupt |
| D. Timer. | 4. Machine check interrupt |
