McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Computer Science FY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Computer Applications (BCA) , Bachelor of Science in Information Technology (BSc IT) , Bachelor of Science in Computer Science (BSc CS) .
| 151. |
The remaining address line of bus is decoded to generate chip select signal |
| A. | data |
| B. | address |
| C. | control bus |
| D. | both (a) and (b) |
| Answer» B. address | |
| 152. |
signal is generated by combining RD and WR signals with IO/M |
| A. | control |
| B. | memory |
| C. | register |
| D. | system |
| Answer» A. control | |
| 153. |
has certain signal requirements write into and read from its registers |
| A. | memory |
| B. | register |
| C. | both (a) and (b) |
| D. | control |
| Answer» A. memory | |
| 154. |
An is used to fetch one address |
| A. | internal decoder |
| B. | external decoder |
| C. | encoder |
| D. | register |
| Answer» A. internal decoder | |
| 155. |
The primary function of the is to accept data from I/P devices |
| A. | multiprocessor |
| B. | microprocessor |
| C. | peripherals |
| D. | interfaces |
| Answer» B. microprocessor | |
| 156. |
signal prevent the microprocessor from reading the same data more than one |
| A. | pipelining |
| B. | handshaking |
| C. | controlling |
| D. | signaling |
| Answer» B. handshaking | |
| 157. |
Bits in IRR interrupt are |
| A. | reset |
| B. | set |
| C. | stop |
| D. | start |
| Answer» B. set | |
| 158. |
The pin is used to select direct command word |
| A. | a0 |
| B. | d7-d6 |
| C. | a12 |
| D. | ad7-ad6 |
| Answer» A. a0 | |
| 159. |
CS connect the output of |
| A. | encoder |
| B. | decoder |
| C. | slave program |
| D. | buffer |
| Answer» B. decoder | |
| 160. |
8086 and 8088 contains transistors |
| A. | 29000 |
| B. | 24000 |
| C. | 34000 |
| D. | 54000 |
| Answer» A. 29000 | |
| 161. |
In 8086, Example for Non maskable interrupts are . |
| A. | trap |
| B. | rst6.5 |
| C. | intr |
| D. | rst6.6 |
| Answer» A. trap | |
| 162. |
Access time is faster for . |
| A. | rom |
| B. | sram |
| C. | dram |
| D. | eram |
| Answer» B. sram | |
| 163. |
The First Microprocessor was . |
| A. | intel 4004 |
| B. | 8080 |
| C. | 8085 |
| D. | 4008 |
| Answer» A. intel 4004 | |
| 164. |
Status register is also called as . |
| A. | accumulator |
| B. | stack |
| C. | counter |
| D. | flags |
| Answer» D. flags | |
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