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) .
| 101. |
The purpose of the microprocessor is to control |
| A. | memory |
| B. | switches |
| C. | processing |
| D. | tasks |
| Answer» A. memory | |
| 102. |
The first digital electronic computer was built in the year |
| A. | 1950 |
| B. | 1960 |
| C. | 1940 |
| D. | 1930 |
| Answer» C. 1940 | |
| 103. |
In 1960's texas institute invented |
| A. | integrated circuits |
| B. | microprocessor |
| C. | vacuum tubes |
| D. | transistors |
| Answer» A. integrated circuits | |
| 104. |
The intel 8086 microprocessor is a processor |
| A. | 8 bit |
| B. | 16 bit |
| C. | 32 bit |
| D. | 4 bit |
| Answer» B. 16 bit | |
| 105. |
The microprocessor can read/write 16 bit data from or to |
| A. | memory |
| B. | i /o device |
| C. | processor |
| D. | register |
| Answer» A. memory | |
| 106. |
In 8086 microprocessor , the address bus is bit wide |
| A. | 12 bit |
| B. | 10 bit |
| C. | 16 bit |
| D. | 20 bit |
| Answer» D. 20 bit | |
| 107. |
The work of EU is |
| A. | encoding |
| B. | decoding |
| C. | processing |
| D. | calculations |
| Answer» B. decoding | |
| 108. |
The SF is called as |
| A. | service flag |
| B. | sign flag |
| C. | single flag |
| D. | condition flag |
| Answer» B. sign flag | |
| 109. |
The OF is called as |
| A. | overflow flag |
| B. | overdue flag |
| C. | one flag |
| D. | over flag |
| Answer» A. overflow flag | |
| 110. |
The IF is called as |
| A. | initial flag |
| B. | indicate flag |
| C. | interrupt flag |
| D. | inter flag |
| Answer» C. interrupt flag | |
| 111. |
The register AX is formed by grouping |
| A. | ah & al |
| B. | bh & bl |
| C. | ch & cl |
| D. | dh & dl |
| Answer» A. ah & al | |
| 112. |
The SP is indicated by |
| A. | single pointer |
| B. | stack pointer |
| C. | source pointer |
| D. | destination pointer |
| Answer» B. stack pointer | |
| 113. |
The BP is indicated by |
| A. | base pointer |
| B. | binary pointer |
| C. | bit pointer |
| D. | digital pointer |
| Answer» A. base pointer | |
| 114. |
The SS is called as |
| A. | single stack |
| B. | stack segment |
| C. | sequence stack . |
| D. | random stack |
| Answer» B. stack segment | |
| 115. |
The index register are used to hold |
| A. | memory register |
| B. | offset address |
| C. | segment memory |
| D. | offset memory |
| Answer» A. memory register | |
| 116. |
The BIU contains FIFO register of size bytes |
| A. | 8 |
| B. | 6 |
| C. | 4 |
| D. | 12 |
| Answer» B. 6 | |
| 117. |
The BIU prefetches the instruction from memory and store them in |
| A. | queue |
| B. | register |
| C. | memory |
| D. | stack |
| Answer» A. queue | |
| 118. |
The 1 MB byte of memory can be divided into segment |
| A. | 1 kbyte |
| B. | 64 kbyte |
| C. | 33 kbyte |
| D. | 34 kbyte |
| Answer» B. 64 kbyte | |
| 119. |
The DS is called as |
| A. | data segment |
| B. | digital segment |
| C. | divide segment |
| D. | decode segment |
| Answer» A. data segment | |
| 120. |
The CS register stores instruction in code segment |
| A. | stream |
| B. | path |
| C. | codes |
| D. | stream line |
| Answer» C. codes | |
| 121. |
The IP is bits in length |
| A. | 8 bits |
| B. | 4 bits |
| C. | 16 bits |
| D. | 32 bits |
| Answer» C. 16 bits | |
| 122. |
The push source copies a word from source to |
| A. | stack |
| B. | memory |
| C. | register |
| D. | destination |
| Answer» A. stack | |
| 123. |
LDs copies to consecutive words from memory to register and |
| A. | es |
| B. | ds |
| C. | ss |
| D. | cs |
| Answer» B. ds | |
| 124. |
IMUL source is a signed |
| A. | multiplication |
| B. | addition |
| C. | subtraction |
| D. | division |
| Answer» A. multiplication | |
| 125. |
destination inverts each bit of destination |
| A. | not |
| B. | nor |
| C. | and |
| D. | or |
| Answer» A. not | |
| 126. |
Instruction providing both segment base and offset address are called |
| A. | below type . |
| B. | far type |
| C. | low type |
| D. | high type |
| Answer» B. far type | |
| 127. |
The conditional branch instruction specify for branching |
| A. | conditions |
| B. | instruction |
| C. | address |
| D. | memory |
| Answer» A. conditions | |
| 128. |
The microprocessor determines whether the specified condition exists or not by testing the |
| A. | carry flag |
| B. | conditional flag |
| C. | common flag |
| D. | sign flag |
| Answer» B. conditional flag | |
| 129. |
The LES copies to words from memory to register and |
| A. | ds |
| B. | cs |
| C. | es |
| D. | ds |
| Answer» C. es | |
| 130. |
The translates a byte from one code to another code |
| A. | xlat |
| B. | xchng |
| C. | pop |
| D. | push |
| Answer» A. xlat | |
| 131. |
The contains an offset instead of actual address |
| A. | sp |
| B. | ip |
| C. | es |
| D. | ss |
| Answer» B. ip | |
| 132. |
The 8086 fetches instruction one after another from of memory |
| A. | code segment |
| B. | ip |
| C. | es |
| D. | ss |
| Answer» A. code segment | |
| 133. |
The BIU contains FIFO register of size 6 bytes called . |
| A. | queue |
| B. | stack |
| C. | segment |
| D. | register |
| Answer» A. queue | |
| 134. |
The is required to synchronize the internal operands in the processor CLK Signal |
| A. | ur signal |
| B. | vcc |
| C. | aie |
| D. | ground |
| Answer» A. ur signal | |
| 135. |
The pin of minimum mode AD0-AD15 has address |
| A. | 16 bit |
| B. | 20 bit |
| C. | 32 bit |
| D. | 4 bit |
| Answer» B. 20 bit | |
| 136. |
The pin of minimum mode AD0- AD15 has _ data bus |
| A. | 4 bit |
| B. | 20 bit |
| C. | 16 bit |
| D. | 32 bit |
| Answer» C. 16 bit | |
| 137. |
is used to write into memory |
| A. | rd |
| B. | wr |
| C. | rd / wr |
| D. | clk |
| Answer» B. wr | |
| 138. |
The RD, WR, M/IO is the heart of control for a mode |
| A. | minimum |
| B. | maximum |
| C. | compatibility mode |
| D. | control mode |
| Answer» A. minimum | |
| 139. |
In a minimum mode there is a on the system bus |
| A. | single |
| B. | double |
| C. | multiple |
| D. | triple |
| Answer» A. single | |
| 140. |
If MN/MX is low the 8086 operates in mode |
| A. | minimum |
| B. | maximum |
| C. | both (a) and (b) |
| D. | medium |
| Answer» B. maximum | |
| 141. |
In max mode, control bus signal So,S1 and S2 are sent out in form |
| A. | decoded |
| B. | encoded |
| C. | shared |
| D. | unshared |
| Answer» B. encoded | |
| 142. |
The bus controller device decodes the signals to produce the control bus signal |
| A. | internal |
| B. | data |
| C. | external |
| D. | address |
| Answer» C. external | |
| 143. |
A Instruction at the end of interrupt service program takes the execution back to the interrupted program |
| A. | forward |
| B. | return |
| C. | data |
| D. | line |
| Answer» B. return | |
| 144. |
Primary function of memory interfacing is that the should be able to read from and write into register |
| A. | multiprocessor |
| B. | microprocessor |
| C. | dual processor |
| D. | coprocessor |
| Answer» B. microprocessor | |
| 145. |
To perform any operations, the Mp should identify the |
| A. | register |
| B. | memory |
| C. | interface |
| D. | system |
| Answer» A. register | |
| 146. |
The Microprocessor places address on the address bus |
| A. | 4 bit |
| B. | 8 bit |
| C. | 16 bit |
| D. | 32 bit |
| Answer» C. 16 bit | |
| 147. |
The Microprocessor places 16 bit address on the add lines from that address by register should be selected |
| A. | address |
| B. | one |
| C. | two |
| D. | three |
| Answer» B. one | |
| 148. |
The of the memory chip will identify and select the register for the EPROM |
| A. | internal decoder |
| B. | external decoder |
| C. | address decoder |
| D. | data decoder |
| Answer» A. internal decoder | |
| 149. |
Microprocessor provides signal like to indicate the read operatio |
| A. | low |
| B. | mcmw |
| C. | mcmr |
| D. | mcmwr |
| Answer» C. mcmr | |
| 150. |
To interface memory with the microprocessor, connect register the lines of the address bus must be added to address lines of the chip. |
| A. | single |
| B. | memory |
| C. | multiple |
| D. | triple |
| Answer» B. memory | |
Done Studing? Take A Test.
Great job completing your study session! Now it's time to put your knowledge to the test. Challenge yourself, see how much you've learned, and identify areas for improvement. Don’t worry, this is all part of the journey to mastery. Ready for the next step? Take a quiz to solidify what you've just studied.