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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.
301. |
The minimum time delay between two successive memory read operations is _ |
A. | Cycle time |
B. | Latency |
C. | Delay |
D. | None of the mentioned |
Answer» B. Latency | |
302. |
MFC is used to ____ |
A. | Issue a read signal |
B. | Signal to the device that the memory read operation is complete |
C. | Signal the processor the memory operation is complete |
D. | Assign a device to perform the read operation |
Answer» D. Assign a device to perform the read operation | |
303. |
The duration between the read and the mfc signal is __ |
A. | Access time |
B. | Latency |
C. | Delay |
D. | Cycle time |
Answer» B. Latency | |
304. |
The power specification of usb is __ |
A. | 5v |
B. | 10v |
C. | 24v |
D. | 10v |
Answer» B. 10v | |
305. |
The _____ signal is used to indiacate the beginning of a new frame. |
A. | Start |
B. | SOF |
C. | BEG |
D. | None of the mentioned |
Answer» C. BEG | |
306. |
The transmission over the USB is divided into _ |
A. | Frames |
B. | Pages |
C. | Packets |
D. | Tokens |
Answer» B. Pages | |
307. |
The SOF is transmitted every __ |
A. | 1s |
B. | 5s |
C. | 1ms |
D. | 1Us |
Answer» D. 1Us | |
308. |
The most important objective of the USB is to provide ___ |
A. | Isochronous transmission |
B. | Plug and play |
C. | Easy device connection |
D. | All of the mentioned |
Answer» E. | |
309. |
The data packets can contain data upto __ |
A. | 512 bytes |
B. | 256 bytes |
C. | 1024 bytes |
D. | 2 KB |
Answer» D. 2 KB | |
310. |
The CRC bits are computed based on the values of the _ |
A. | PID |
B. | ADDR |
C. | ENDP |
D. | Both ADDR and ENDP |
Answer» E. | |
311. |
The first feild of any packet is __ |
A. | PID |
B. | ADDR |
C. | ENDP |
D. | CRC16 |
Answer» B. ADDR | |
312. |
The last field in the packet is _ |
A. | PID |
B. | ADDR |
C. | ENDP |
D. | CRC |
Answer» E. | |
313. |
The type/s of packets sent by the USB is/are _____ |
A. | Data |
B. | Address |
C. | Control |
D. | Both Data and Control |
Answer» E. | |
314. |
The initial address of a device just connected to the HUB is __ |
A. | AHFG890 |
B. | 0000000 |
C. | FFFFFFF |
D. | 0101010 |
Answer» C. FFFFFFF | |
315. |
Locations in the device to or from which data transfers can take place is called __ |
A. | End points |
B. | Hosts |
C. | Source |
D. | None of the mentioned |
Answer» B. Hosts | |
316. |
The devices connected to USB is assigned an ____ adrress. |
A. | 9 bit |
B. | 16 bit |
C. | 4 bit |
D. | 7 bit |
Answer» E. | |
317. |
When the USB is connected to a system, its root hub is connected to the ____ |
A. | PCI BUS |
B. | SCSI BUS |
C. | Processor BUS |
D. | IDE |
Answer» D. IDE | |
318. |
The device can send a message to the host by taking part in _____ for the communication path. |
A. | Arbitration |
B. | Polling |
C. | Prioritising |
D. | None of the mentioned |
Answer» C. Prioritising | |
319. |
The transfer rate, when the USB is operating in low-speed of operation is _ |
A. | 5 Mb/s |
B. | 12 Mb/s |
C. | 2.5 Mb/s |
D. | 1.5 Mb/s |
Answer» E. | |
320. |
THe high speed mode of operation of the USB was introduced by ___ |
A. | ISA |
B. | USB 3.0 |
C. | USB 2.0 |
D. | ANSI |
Answer» D. ANSI | |
321. |
The data is stored on the disk in the form of blocks called _ |
A. | Pages |
B. | Frames |
C. | Sectors |
D. | Tables |
Answer» D. Tables | |
322. |
THe SCSI BUS is connected to the processor through __ |
A. | SCSI Controller |
B. | Bridge |
C. | Switch |
D. | None of the mentioned |
Answer» B. Bridge | |
323. |
The mode of data transfer used by the controller is _ |
A. | Interrupt |
B. | DMA |
C. | Asynchronous |
D. | Synchronous |
Answer» C. Asynchronous | |
324. |
The maximum number of devices that can be connected to SCSI BUS is _ |
A. | 12 |
B. | 10 |
C. | 16 |
D. | 8 |
Answer» D. 8 | |
325. |
HVD stands for _____ |
A. | High Voltage Differential |
B. | High Voltage Density |
C. | High Video Definition |
D. | None of the mentioned |
Answer» B. High Voltage Density | |
326. |
For better transfer rates on the SCSI BUS the length of the cable is limited to ___ |
A. | 2m |
B. | 4m |
C. | 1.3m |
D. | 1.6m |
Answer» E. | |
327. |
Single ended transmission means |
A. | That all the signals have a similar bit pattern |
B. | That the signals have a common source |
C. | That the signals have a common ground return |
D. | That the signals have a similar voltage signature |
Answer» D. That the signals have a similar voltage signature | |
328. |
ANSI stands for ______ |
A. | American National System Interface |
B. | ASCII National Standard Interface |
C. | American Network System Interface |
D. | American National Standard Institute |
Answer» E. | |
329. |
SCSI stands for ___ |
A. | Small Computer System Interface |
B. | Switch Computer system Interface |
C. | Small Component System Interface |
D. | None of the mentioned |
Answer» B. Switch Computer system Interface | |
330. |
The SCSI BUS uses ______ arbitration. |
A. | Distributed |
B. | Centralised |
C. | Daisy chain |
D. | Hybrid |
Answer» B. Centralised | |
331. |
____ is used to reset all the device controls to their startup state. |
A. | SRT |
B. | SRT |
C. | ATN |
D. | None of the mentioned |
Answer» C. ATN | |
332. |
The MSG signal is used |
A. | To send a message to the target |
B. | To recieve a message from the mailbox |
C. | To tell that the information being sent is a message |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
333. |
_______ signal is asserted when the initiator wishes to send a message to the target. |
A. | MSG |
B. | APP |
C. | SMS |
D. | ATN |
Answer» E. | |
334. |
The SEL signal signifies |
A. | The initiator is selected |
B. | The device for BUS control is selected |
C. | That the target is being selected |
D. | None of the mentioned |
Answer» C. That the target is being selected | |
335. |
The BSY signal signifies |
A. | The BUs is busy |
B. | The controller is busy |
C. | The Initiator is busy |
D. | The Target is Busy |
Answer» B. The controller is busy | |
336. |
In a data transfer operatioon involving SCSI BUS, the control is with _ |
A. | Initiator |
B. | Target |
C. | SCSI controller |
D. | Target Controller |
Answer» E. | |
337. |
The key features of the SCSI BUS is |
A. | The cost effective connective media |
B. | The ability overlap data transfer requests |
C. | The highly effecient data transmission |
D. | None of the mentioned |
Answer» C. The highly effecient data transmission | |
338. |
The PCi BUS allowsus to connect _______ I/O devices. |
A. | 21 |
B. | 13 |
C. | 9 |
D. | 11 |
Answer» B. 13 | |
339. |
IRDY# signal is used for _______ |
A. | Selecting the interrupt line |
B. | Sending an interrupt |
C. | Saying that the initiator is ready |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
340. |
The signal used to initiate device select _____ |
A. | IRDY# |
B. | S/BE |
C. | DEVSEL# |
D. | IDSEL# |
Answer» E. | |
341. |
DEVSEL# signal is used |
A. | To select the device |
B. | To list all the devices connected |
C. | By the device to indicate that it is ready for transaction |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
342. |
The signal used to indicate that the slave is ready is _ |
A. | SLRY# |
B. | TRDY# |
C. | DSDY# |
D. | None of the mentioned |
Answer» C. DSDY# | |
343. |
_____ signal is used enable commands. |
A. | FRAME# |
B. | IRDY# |
C. | TMY# |
D. | c/BE# |
Answer» E. | |
344. |
___ signal is sent by the initiator to indicate the duration of the transaction. |
A. | FRAME# |
B. | IRDY# |
C. | TMY# |
D. | SELD# |
Answer» B. IRDY# | |
345. |
A complete transfer operation over the BUS, involving the address and a burst of data is called _ |
A. | Transaction |
B. | Transfer |
C. | Move |
D. | Procedure |
Answer» B. Transfer | |
346. |
The PCI BUS has _____ interrupt request lines. |
A. | 6 |
B. | 1 |
C. | 4 |
D. | 3 |
Answer» D. 3 | |
347. |
The device connected to the BUS are given addresses of ____ bit. |
A. | 24 |
B. | 64 |
C. | 32 |
D. | 16 |
Answer» C. 32 | |
348. |
Signals whose names end in ____ are asserted in the low voltage state. |
A. | $ |
B. | # |
C. | * |
D. | ! |
Answer» C. * | |
349. |
The master is also called as _____ in PCI terminology. |
A. | Initiator |
B. | Commander |
C. | Chief |
D. | Starter |
Answer» B. Commander | |
350. |
_____ address space gives the PCI its plug and play capability. |
A. | Configuration |
B. | I/O |
C. | Memory |
D. | All of the mentioned |
Answer» B. I/O | |