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This section includes 585 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Organization knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
The general purpose registers are combined into a block called as _ |
| A. | Register bank |
| B. | Register Case |
| C. | Register file |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 202. |
ANSI stands for ___ |
| A. | American National Standards Institute |
| B. | American National Standard Interface |
| C. | American Network Standard Interfacing |
| D. | American Network Security Interrupt |
| Answer» B. American National Standard Interface | |
| 203. |
The ISA standard Buses are used to connect __ |
| A. | RAM and processor |
| B. | GPU and processor |
| C. | Harddisk and Processor |
| D. | CD/DVD drives and Processor |
| Answer» D. CD/DVD drives and Processor | |
| 204. |
________ signal enables the processor to wait for the memory operation to complete. |
| A. | MFC |
| B. | TLB |
| C. | WMFC |
| D. | ALB |
| Answer» D. ALB | |
| 205. |
The main virtue for using single Bus structure is |
| A. | Fast data transfers |
| B. | Cost effective connectivity and speed |
| C. | Cost effective connectivity and ease of attaching peripheral devices |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 206. |
The small extremly fast, RAM’s all called as __ |
| A. | Cache |
| B. | Heaps |
| C. | Accumulators |
| D. | Stacks |
| Answer» C. Accumulators | |
| 207. |
The completion of the memroy operation is indicated using ______ signal. |
| A. | MFC |
| B. | WMFC |
| C. | CFC |
| D. | None of the mentioned |
| Answer» B. WMFC | |
| 208. |
______ signal is used to show complete of memory operation. |
| A. | MFC |
| B. | WMFC |
| C. | CFC |
| D. | None of the mentioned |
| Answer» B. WMFC | |
| 209. |
The input and output of the registers are governed by ___ |
| A. | Transistors |
| B. | Diodes |
| C. | Gates |
| D. | Switches |
| Answer» E. | |
| 210. |
When two or more clock cycles are used to complete data transfer it is called as _ |
| A. | Single phase clocking |
| B. | Multi-phase clocking |
| C. | Multi-phase clocking |
| D. | None of the mentioned |
| Answer» C. Multi-phase clocking | |
| 211. |
The registers,ALU and the interconnecting path together are called as _ |
| A. | Control path |
| B. | Flow path |
| C. | Data path |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 212. |
Which register is connected to the MUX ? |
| A. | Y |
| B. | Z |
| C. | R0 |
| D. | Temp |
| Answer» B. Z | |
| 213. |
The transparent register/s is/are ____ |
| A. | Y |
| B. | Z |
| C. | Temp |
| D. | All of the mentioned |
| Answer» E. | |
| 214. |
The CPU is also called as _ |
| A. | Processor hub |
| B. | ISP |
| C. | Controller |
| D. | All of the mentioned |
| Answer» C. Controller | |
| 215. |
Which register in the processor is single directional ? |
| A. | MAR |
| B. | MDR |
| C. | PC |
| D. | Temp |
| Answer» B. MDR | |
| 216. |
In LRU, the refrenced blocks counter is set to’0′ and that of the previous blocks are incremented by one and others remain same, in case of ___ |
| A. | Hit |
| B. | Miss |
| C. | Delay |
| D. | None of the mentioned |
| Answer» B. Miss | |
| 217. |
The extra time needed to bring the data into memory in case of a miss is called as _ |
| A. | Delay |
| B. | Propagation time |
| C. | Miss penalty |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 218. |
The number failed attempts to access memory, stated in the form of fraction is called as ____ |
| A. | Hit rate |
| B. | Miss rate |
| C. | Failure rate |
| D. | Delay rate |
| Answer» C. Failure rate | |
| 219. |
In associative mapping during LRU, the counter of the new block is set to ‘0’ and all the others are incremented by one,when _____ occurs. |
| A. | Delay |
| B. | Miss |
| C. | Hit |
| D. | Delayed hit |
| Answer» C. Hit | |
| 220. |
The number successful accesses to memory stated as a fraction is called as __ |
| A. | Hit rate |
| B. | Miss rate |
| C. | Success rate |
| D. | Access rate |
| Answer» B. Miss rate | |
| 221. |
The main memory is structured into modules each with its own address register called ____ |
| A. | ABR |
| B. | TLB |
| C. | TLB |
| D. | IR |
| Answer» B. TLB | |
| 222. |
Data which is not up-to date is called as ____ |
| A. | Spoilt data |
| B. | Stale data |
| C. | Dirty data |
| D. | None of the mentioned |
| Answer» C. Dirty data | |
| 223. |
The bit used to indicate whether the block was recently used or not is ______ |
| A. | Idol bit |
| B. | Control bit |
| C. | Refernece bit |
| D. | Dirty bit |
| Answer» E. | |
| 224. |
A control bit called ____ has to be provided to each blocj in set-associative. |
| A. | Idol bit |
| B. | Valid bit |
| C. | Reference bit |
| D. | All of the mentioned |
| Answer» C. Reference bit | |
| 225. |
In set-associative technique, the blocks are grouped into ______ sets. |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 6 |
| Answer» E. | |
| 226. |
The method of mapping the consecutive memory blocks to consecutive cache blocks is called __ |
| A. | Set associative |
| B. | Associative |
| C. | Direct |
| D. | Indirect |
| Answer» D. Indirect | |
| 227. |
The technique of searching for a block by going through all the tags is __ |
| A. | Linear search |
| B. | Binary search |
| C. | Associative search |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 228. |
In associative mapping, in a 16 bit system the tag field has ______ bits. |
| A. | 12 |
| B. | 8 |
| C. | 9 |
| D. | 10 |
| Answer» B. 8 | |
| 229. |
While using the direct mapping technique, in a 16 bit system the higher order 5 bits is used for ____ |
| A. | Tag |
| B. | Block |
| C. | Word |
| D. | Id |
| Answer» B. Block | |
| 230. |
The approach where the memory contents are transfered directly to the processor from the memory is called _ |
| A. | Read-later |
| B. | Read-through |
| C. | Early-start |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 231. |
The only draw back of using the early start protocol is _____ |
| A. | Time delay |
| B. | Complexity of circuit |
| C. | Latency |
| D. | High miss rate |
| Answer» C. Latency | |
| 232. |
In ________ protocol the information is directly written into main memory. |
| A. | Write through |
| B. | Write back |
| C. | Write first |
| D. | None of the mentioned |
| Answer» B. Write back | |
| 233. |
The memory blocks are mapped on to the cache with the help of ___ |
| A. | Hash functions |
| B. | Vectors |
| C. | Mapping functions |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 234. |
The copy-back protocol is used |
| A. | To copy the contents of the memory onto the cache |
| B. | To update the contents of the memory from the cache |
| C. | To remove the contents of the cache and push it on to the memory |
| D. | None of the mentioned |
| Answer» C. To remove the contents of the cache and push it on to the memory | |
| 235. |
The write-through procedure is used |
| A. | To write onto the memory directly |
| B. | To write and read from memory simultaneously |
| C. | To write directly on the memory and the cache simultaneously |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 236. |
The bit used to signify that the cache location is updated is __ |
| A. | Dirty bit |
| B. | Update bit |
| C. | Reference bit |
| D. | Flag bit |
| Answer» B. Update bit | |
| 237. |
The spatial aspect of the locality of reference means |
| A. | That the recently executed instruction is executed again next |
| B. | That the recently executed wont be executed again |
| C. | That the instruction executed will be executed at a later time |
| D. | That the instruction in close proximity of the instruction executed will be executed in future |
| Answer» E. | |
| 238. |
The correspondence between the main memory blocks and those in the cache is given by _____ |
| A. | Hash function |
| B. | Mapping function |
| C. | Locale function |
| D. | Assign function |
| Answer» C. Locale function | |
| 239. |
The algorithm to remove and place new contents into the cache is called ___ |
| A. | Replacement algorithm |
| B. | Renewal algorithm |
| C. | Updation |
| D. | None of the mentioned |
| Answer» B. Renewal algorithm | |
| 240. |
The temporal aspect of the locality of reference means |
| A. | That the recently executed instruction wont be executed soon |
| B. | That the recently executed instruction is temporarily not referenced |
| C. | That the recently executed instruction will be executed soon again |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 241. |
The effectiveness of the cache memory is based on the property of _ |
| A. | Locality of reference |
| B. | Memory localisation |
| C. | Memory size |
| D. | None of the mentioned |
| Answer» B. Memory localisation | |
| 242. |
The reason for the implementation of the cache memory is ___ |
| A. | To increase the internal memory of the system |
| B. | The difference in speeds of operation of the processor and memory |
| C. | To reduce the memory access and cycle time |
| D. | All of the mentioned |
| Answer» C. To reduce the memory access and cycle time | |
| 243. |
The next level of memory hierarchy after the L2 cache is __ |
| A. | Secondary storage |
| B. | TLB |
| C. | Main memory |
| D. | Register |
| Answer» E. | |
| 244. |
The last on the hierarchy scale of memory devices is __ |
| A. | Main memory |
| B. | Secondary memory |
| C. | TLB |
| D. | Flash drives |
| Answer» C. TLB | |
| 245. |
The larger memory placed between the primary cache and the memory is called __ |
| A. | Level 1 cache |
| B. | Level 2 cache |
| C. | EEPROM |
| D. | TLB |
| Answer» C. EEPROM | |
| 246. |
The memory which is used to store the copy of data or instructions stored in larger memories, inside the CPU is called __ |
| A. | Level 1 cache |
| B. | Level 2 cache |
| C. | Registers |
| D. | TLB |
| Answer» B. Level 2 cache | |
| 247. |
The fastest data access is provided using _ |
| A. | Caches |
| B. | DRAM’s |
| C. | SRAM’s |
| D. | Registers |
| Answer» E. | |
| 248. |
The flash memory modules designed to replace the functioning of an harddisk is _ |
| A. | RIMM |
| B. | Flash drives |
| C. | FIMM |
| D. | DIMM |
| Answer» C. FIMM | |
| 249. |
The drawback of building a large memory with DRAM is ______ |
| A. | The large cost factor |
| B. | The inefficient memory organisation |
| C. | The Slow speed of operation |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 250. |
The disadvantage of the EPROM chip is ____ |
| A. | The high cost factor |
| B. | The low efficiency |
| C. | The low speed of operation |
| D. | The need to remove the chip physically to reprogram it |
| Answer» E. | |