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Computer Architecture Concepts
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1
Question
What is the most important characteristic of the Synchronous Bus?
Answer
The occurrence of events on the bus is determined by a clock
2
Question
Which memory device has the lowest access speed?
Answer
Magnetic tape
3
Question
What is the result of the expression NOT (1111 1010)?
Answer
0000 0101
4
Question
What is the primary purpose of cache memory in a computer system?
Answer
To store frequently used data for quick access
5
Question
How many bits are in the tag field of a set-associative cache with 64 lines divided into four-line sets, given main memory has 4K blocks of 128 words?
Answer
8
6
Question
Why is cache design used in high-performance computing (HPC)? (Choose three)
Answer
Because there is a significant speed gap between processor and internal memory in HPC, because applications require large bandwidth, because multiple processors work in parallel providing efficient data management
7
Question
How many bytes of data does each sector in a Winchester hard drive disk have?
Answer
512 bytes
8
Question
Using Hamming Code for error correction, what are the parity bits for the stored 12-bit word?
Answer
0101
9
Question
What is correct about increasing performance and endurance?
Answer
Hard Disk-NAND Flash-DRAM-SRAM
10
Question
With the hard disk data layout, the set of all tracks in the same relative position on the platter is called
Answer
Cylinder
11
Question
For a 5-drive, 200 GBytes-per-drive RAID array, what is the available data storage capacity at RAID level 5?
Answer
800 GBytes
12
Question
For a 5-drive, 100 GBytes-per-drive RAID array, what is the data capacity at RAID level 5?
Answer
400 GBytes
13
Question
Which register interacts with secondary storage?
Answer
MAR
14
Question
What expression is equivalent to A.(B.C)?
Answer
A (A+B)(A+C)
15
Question
How is the address of the next instruction determined in typical instruction execution?
Answer
By adding a byte number to previous instruction address (Instruction address calculation)
16
Question
What role does an API play in software development?
Answer
It allows program access to hardware resources using high-level language libraries
17
Question
Which state indicates a process is currently executed by the processor?
Answer
Running
18
Question
Which process subdivision is done dynamically by the OS?
Answer
Memory management
19
Question
What statement is false about Translation Lookaside Buffer (TLB)?
Answer
The use of TLB eliminates the need for a page table in memory
20
Question
What is the XOR of (R1) = 01110110 and (R2) = 11011111?
Answer
10101001
21
Question
What is the output of a NOT gate with input 0?
Answer
1
22
Question
How is +18 represented in 8-bit two's complement?
Answer
00010010
23
Question
Which register can be assigned various functions by the programmer?
Answer
General purpose registers
24
Question
What are the primary data categories machine instructions operate on?
Answer
Addresses, numbers, characters, and logical data
25
Question
What is the result of left shifting 00011000 by 2?
Answer
01100000
26
Question
Which addressing mode allows direct specification of the memory address?
Answer
Direct
27
Question
Which PDP computer uses 12-bit instructions and an accumulator?
Answer
PDP-8
28
Question
Which command in MASM32 is used for comparison?
Answer
CMP
29
Question
What is the primary function of the ALU?
Answer
Perform computations and data processing
30
Question
To which group do PC, IR, MAR, MBR registers belong?
Answer
Control and Status Registers