DEE EE3043KTMT
A memory chip has 12 address pins, determine the maximum memory words of this chip?
Select one:
4096
2048K
2048
4000
To balance the super speed of CPU with the slow response of memory, which of
...
DEE EE3043KTMT
A memory chip has 12 address pins, determine the maximum memory words of this chip?
Select one:
4096
2048K
2048
4000
To balance the super speed of CPU with the slow response of memory, which of the following measures have been made by engineers in system design?
Select one or more:
Using higher-speed bus and us hierarchy
Make use of both on-chip and off-chip cache memory
Make wider data bus path
To move data directly by DMA
Basic functions that a computer can perform including:
Select one or more:
Control
Data processing
Direct memory access
Data movement
Data storage
Interrupt
What are the features of direct-mapping cache organization?
Select one or more:
Thrash --> low hit ratio
faster
small cache memory
Simple and inexpensive
Calculate the CPI for this program
The formula to calculate CPI: CPI = CPU time / I
Answer:
In computer organization, the CPU transfer rate is much higher than that of memory. It is easy to match performance of these components by:
Select one:
increase the bus speed
producing faster memory module
Introducing cache memory
increase I/O speed
What is correct about the function of TRIM command in SSD?
Select one:
Allow SSD to manage occupied pages and remove them automatically for later use
Allow OS to notify SSD the presence of occupied blocks of data which are no longer in use and can be erased internally
Allow SSD to allocate memory pages in blocks properly for faster access
Allow SSD to defragment scattered data stored in separate pages
Which one best describe cache hit and cache miss?
| Cache hit ratio | Answer 1
Chọn...
the number of memory accesses that the CPU can retrieve from the cache per the total number of memory accesses
the number of memory accesses that CPU must retrieve from the main memory per the total number of memory accesses
the number of memory accesses that hit the cache per the total access
| Cache miss ratio | Answer 2
Chọn...
the number of memory accesses that the CPU can retrieve from the cache per the total number of memory accesses
the number of memory accesses that CPU must retrieve from the main memory per the total number of memory accesses
the number of memory accesses that hit the cache per the total access
Key parameters to consider when evaluating processor hardware include:
Select one or more:
reliability
size
Address bus size
performance
power consumption
databus size
cost
Match correct definitions of Computer Organization and Architecture
| Computer Architecture refers to
Answer 1
Chọn...
attribute of the system visible to a programmer such as instruction set, bits, bytes...
Interconnection among computer module such as processor, IO, memory...
Operational units and their interconnections including hardware details such as control signals, interfaces with peripherals or memory technology
Computer Organization refers to
| Answer 2
Chọn...
attribute of the system visible to a programmer such as instruction set, bits, bytes...
Interconnection among computer module such as processor, IO, memory...
Operational units and their interconnections including hardware details such as control signals, interfaces with peripherals or memory technology
A processor with 16-bit instruction set. The instruction composed of 2 fields: the first byte contains the opcode and the remainder the operand or an operand address.
What is the maximum directly addressable memory capacity?
Select one:
256K
256
1024
512
As a consequence of Moore's law: the number of transistors on a single chip continues to grow year by year. Together with the increasing clock speed to increase the performance, power consumption in processor chips rises fast. What design engineers had made to increase processor performance but still keep the heat dissipation at a proper level.
Select one:
produce multicore processor chip
make wider data bus to increase the bandwidth between processor and main memory
produce on-chip and off-chip cache memory
lower internal clock speed of CPU
When many devices of different transmission speed connect to the same bus, the overall system performance suffers. How did the design engineers resolved this:
Select one:
PCI Express bus
Multiple-Bus hierarchies
PCI bus
Split system bus into local bus and memory bus
Consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track. Sector size is 1 kB. What is the disk capacity
Answer: Select one unit
Chọn...
MB
KB
A SRAM memory chip labeled 32x8bit. Which of the following is correct pinout regarding address and data lines?
Select one:
32 address pins, 4 data pins
15 address pins, 8 data pins
5 address pins, 3 data pins
32 address pins, 3 data pins
Choose correct features for SRAM and DRAM
| DRAM | Answer 1
Chọn...
Faster access time, cheaper cost per bit, can manufacture with larger size
Slower access time, cheaper cost per bit, can manufacture with larger size
Slow access time, cheaper cost per bit, can only manufacture at larger size
Faster access time, cost more per bit, smaller size
| SRAM | Answer 2
Chọn...
Faster access time, cheaper cost per bit, can manufacture with larger size
Slower access time, cheaper cost per bit, can manufacture with larger size
Slow access time, cheaper cost per bit, can only manufacture at larger size
Faster access time, cost more per bit, smaller size
For cache write policies, which are often used for write-hit and write-miss
| Write-miss | Answer 1
Chọn...
Write-allocate
Write-no-allocate
Write-back
Write-through
| Write-hit | Answer 2
Chọn...
Write-allocate
Write-no-allocate
Write-back
Write-through
What can be concluded from the following chart
xxxxxxxxxxxxxxxxxxxxxxx
Select one or more:
The speedup is significant when move to several cores and inherently serial code is small.
When the parallelizable code is small, the speedup made is insignificant.
When the inherently serial code is large, the improvement made is significant.
Speedup is the same when the parallelizable code equally comparable to serial one.
Major structural components of the CPU include:
Select one or more:
Control Unit
Interconnections
Instruction Register
Instruction Pointer (PC)
Registers
Arithmetic and Logic Unit
Select correct level for contemporary computer multilevel machine
| Level 0 | Answer 1
Chọn...
Internet
Microarchitecture level
Applications
Instruction set level
Digital logic level
High level programming language
Assembly Language level
Operating system level
| Level 5 | Answer 2
Chọn...
Internet
Microarchitecture level
Applications
Instruction set level
Digital logic level
High level programming language
Assembly Language level
Operating system level
| Level 2 | Answer 3
Chọn...
Internet
Microarchitecture level
Applications
Instruction set level
Digital logic level
High level programming language
Assembly Language level
Operating system level
| Layer 4 | Answer 4
Chọn...
Internet
Microarchitecture level
Applications
Instruction set level
Digital logic level
High level programming language
Assembly Language level
Operating system level
| Level 1 | Answer 5
Chọn...
Internet
Microarchitecture level
Applications
Instruction set level
Digital logic level
High level programming language
Assembly Language level
Operating system level
| Level 6 | Answer 6
Chọn...
Internet
Microarchitecture level
Applications
Instruction set level
Digital logic level
High level programming language
Assembly Language level
Operating system level
| Level 3 | Answer 7
Chọn...
Internet
Microarchitecture level
Applications
Instruction set level
Digital logic level
High level programming language
Assembly Language level
Operating system level
Consider a 16-bit microprocessor, with a 16-bit external data bus, driven by an 10-MHz input clock. Assume that this microprocessor has a bus cycle whose minimum duration equals four input clock cycles. What is the maximum data transfer rate across the bus that this microprocessor can sustain?
Select one:
10 MB/s
1 MB/s
4 MB/s
5 MB/s
Which ones are not correct for static RAM?
Select one or more:
Cost per bit is higher than dynamic RAM
Cost per bit is lower than dynamic RAM
faster than dynamic RAM because they are made from capacitor
Cheaper than dynamic RAM because simpler chip controller
In the interconnection system, the number of address lines are governs by
Select one:
CPU
data bus line
I/O Module
Memory size
What is the correct sequence of instruction cycle?
| Step 2 | Answer 1
Chọn...
Store result
Fetch opcode
Calculate operand address
Fetch operand
Decode
Execution
| Step 6 | Answer 2
Chọn...
Store result
Fetch opcode
Calculate operand address
Fetch operand
Decode
Execution
| Step 1 | Answer 3
Chọn...
Store result
Fetch opcode
Calculate operand address
Fetch operand
Decode
Execution
| Step 5 | Answer 4
Chọn...
Store result
Fetch opcode
Calculate operand address
Fetch operand
Decode
Execution
| Step 4 | Answer 5
Chọn...
Store result
Fetch opcode
Calculate operand address
Fetch operand
Decode
Execution
| Step 3 | Answer 6
Chọn...
Store result
Fetch opcode
Calculate operand address
Fetch operand
Decode
Execution
For memory hierarchy below, which relationship hold when moving downward
xxxxxxxxxxxxxxxxxxxx
Select one or more:
the processor accesses more often
Decreasing cost per bit
Increasing capacity
Decreasing frequency of access by the processor
Increasing access time
Which of the following best describe the memory chip with pinout as shown below:
xxxxxxxxxxxxxxxx
DQ: Data pinout
Select one:
SRAM 256Kx1-bit
SDRAM 64Kx4-bit
DRAM 64Kx4-bit
DRAM 16Kx4-bit
Which is correct about dual-layer DVD?
Select one:
contains layers on both sides of the disk for writing data to
the same as double-sided DVD
contains two layers on a single side for writing data to
DVD drives has double laser head for reading from or writing to this disk
What can be concluded from the following chart of processor trends:
xxxxxxxxxxxxxxxxxxx
Select one:
Heat dissipation in processor chip is increasing year after year since 1970
The processor speed keeps increasing after 2003
The number of transistors in chips produce more heat dissipation
The multi-core processors and level off clock speed help to make heat dissipation of CPU chip less
Which statements are correct for HDDs?
Select one or more:
a. Bits are stored on tracks
b. Head, Track, Sector are key parameters for access data on hard disk
c. Bits are store randomly on disk surfaces
d. Head, Track, Cylinder are key parameters for access data on hard disk
Structural components of computer include:
Select one or more:
Central processing unit
DMA
System interconnection
I/O
Interrupt
Memory
Which is not correct about MOORE's law?
Select one or more:
The number of transistors that could be put on a single chip was doubling every year except 1970s
Likely triple after 2000
The number of transistors that could be put on a single chip was doubling every year
The number of transistors that could be put on a single chip was triple every year nowadays.
Identify the correct sequence to update a page onto a flash memory?
| Step 2 | Answer 1
Chọn...
the entire page is read from flash into RAM then request data in page is update
The entire block from RAM then is written back to the flash memory
the entire block of flash memory are erased
the entire block is being read from flash into RAM then request data in page is update
| Step 1 | Answer 2
Chọn...
the entire page is read from flash into RAM then request data in page is update
The entire block from RAM then is written back to the flash memory
the entire block of flash memory are erased
the entire block is being read from flash into RAM then request data in page is update
| Step 3 | Answer 3
Chọn...
the entire page is read from flash into RAM then request data in page is update
The entire block from RAM then is written back to the flash memory
the entire block of flash memory are erased
the entire block is being read from flash into RAM then request data in page is update
To evaluate processor performance, the following indicators and formulas are used:
xxxxxxxxxxxxxxxxxxxxx
Which of the following system attributes affects Ic (the number of instructions of a program)
Select one or more:
Instruction set architecture
Processor implementation
Compiler technology
Cache and memory hierarchy
Calculate the execution time for this program.
Given: xxxxxxxxxxxxxxxxxxxxxxxxx
Answer:
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