McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
| 151. |
A microprogram written as string of 0’s and 1’s is a |
| A. | . symbolic microinstruction |
| B. | . binary microinstruction |
| C. | . symbolic microprogram |
| D. | . binary microprogram |
| Answer» D. . binary microprogram | |
| 152. |
Interrupts which are initiated by an instruction are |
| A. | . internal |
| B. | . external |
| C. | . hardware |
| D. | . software |
| Answer» B. . external | |
| 153. |
Memory access in RISC architecture is limited to instructions |
| A. | . call and ret |
| B. | . push and pop |
| C. | . sta and lda |
| D. | . mov and jmp |
| Answer» C. . sta and lda | |
| 154. |
A collection of lines that connects several devices is called ………….. |
| A. | . bus |
| B. | . peripheral connection wires |
| C. | . both a and b |
| D. | . internal wires |
| Answer» A. . bus | |
| 155. |
A complete microcomputer system consist of ……….. |
| A. | . microprocessor |
| B. | . memory |
| C. | . peripheral equipment |
| D. | . all of the above |
| Answer» D. . all of the above | |
| 156. |
PC Program Counter is also called ………………. |
| A. | . instruction pointer |
| B. | . memory pointer |
| C. | . data counter |
| D. | . file pointer |
| Answer» A. . instruction pointer | |
| 157. |
In a single byte how many bits will be there? |
| A. | . 8 |
| B. | . 16 |
| C. | . 4 |
| D. | . 32 |
| Answer» A. . 8 | |
| 158. |
CPU does not perform the operation ……………… |
| A. | . data transfer |
| B. | . logic operation |
| C. | . arithmetic operation |
| D. | . all of the above |
| Answer» A. . data transfer | |
| 159. |
The access time of memory is …………… the time required for performing any single CPU operation. |
| A. | . longer than |
| B. | . shorter than |
| C. | . negligible than |
| D. | . same as |
| Answer» A. . longer than | |
| 160. |
Memory address refers to the successive memory words and the machine is called as ………… |
| A. | . word addressable |
| B. | . byte addressable |
| C. | . bit addressable |
| D. | . tera byte addressable |
| Answer» A. . word addressable | |
| 161. |
A microprogram written as string of 0’s and 1’s is a …………. |
| A. | . symbolic microinstruction |
| B. | . binary microinstruction |
| C. | . symbolic microinstruction |
| D. | . binary microprogram |
| Answer» D. . binary microprogram | |
| 162. |
A pipeline is like ……………….. |
| A. | . an automobile assembly line |
| B. | . house pipeline |
| C. | . both a and b |
| D. | . a gas line |
| Answer» A. . an automobile assembly line | |
| 163. |
Data hazards occur when …… |
| A. | . greater performance loss |
| B. | . pipeline changes the order of read/write access to operands |
| C. | . some functional unit is not fully pipelined |
| D. | . machine size is limited |
| Answer» B. . pipeline changes the order of read/write access to operands | |
| 164. |
Where does a computer add and compare data? |
| A. | . hard disk |
| B. | . floppy disk |
| C. | . cpu chip |
| D. | . memory chip |
| Answer» C. . cpu chip | |
| 165. |
the next instruction is located? |
| A. | . memory address register |
| B. | . memory data register |
| C. | . instruction register |
| D. | . program register |
| Answer» D. . program register | |
| 166. |
A complete microcomputer system consists of |
| A. | . microprocessor |
| B. | . memory |
| C. | . peripheral equipment |
| D. | . all of above |
| Answer» D. . all of above | |
| 167. |
Pipelining strategy is called implement |
| A. | . instruction execution |
| B. | . instruction prefetch |
| C. | . instruction decoding |
| D. | . instruction manipulation |
| Answer» C. . instruction decoding | |
| 168. |
A stack is |
| A. | . an 8-bit register in the microprocessor |
| B. | . a 16-bit register in the microprocessor |
| C. | . a set of memory locations in r/wm reserved for storing information temporarily during the execution of computer |
| D. | . a 16-bit memory address stored in the program counter |
| Answer» A. . an 8-bit register in the microprocessor | |
| 169. |
A stack pointer is |
| A. | . a 16-bit register in the microprocessor that indicate the beginning of the stack memory. |
| B. | . a register that decodes and executes 16-bit arithmetic expression. |
| C. | . the first memory location where a subroutine address is stored. |
| D. | . a register in which flag bits are stored |
| Answer» A. . a 16-bit register in the microprocessor that indicate the beginning of the stack memory. | |
| 170. |
The branch logic that provides decision making capabilities in the control unit is known as |
| A. | . controlled transfer |
| B. | . conditional transfer |
| C. | . unconditional transfer |
| D. | . none of above |
| Answer» C. . unconditional transfer | |
| 171. |
A time sharing system imply |
| A. | . more than one processor in the system |
| B. | . more than one program in memory |
| C. | . more than one memory in the system |
| D. | . none of above |
| Answer» B. . more than one program in memory | |
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