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McqMate
101. |
The port lines are connected to data lines of the _____ |
A. | peripheral |
B. | microprocessor |
C. | address decoder |
D. | data decoder |
Answer» A. peripheral |
102. |
The _________ input to 8255A is usually activated by Microprocessor in system |
A. | clear |
B. | reset |
C. | ports |
D. | address bus |
Answer» B. reset |
103. |
__________ is useful for the generation of accurate time delay |
A. | 8254 |
B. | 8255A |
C. | 8237A |
D. | 8279 |
Answer» A. 8254 |
104. |
_________ is used to refresh D-Ram and regular intervals and provide timing signals |
A. | 8255A |
B. | 8237A |
C. | 8254 |
D. | 8279 |
Answer» C. 8254 |
105. |
The 8254 contains __________ counters |
A. | 2-16 bit |
B. | 3-16 bit |
C. | 2-8 bit. |
D. | 3-8 bit |
Answer» B. 3-16 bit |
106. |
The data bus buffer is _________data line |
A. | unidirectional |
B. | bidirectional |
C. | no direction |
D. | multi direction |
Answer» B. bidirectional |
107. |
In 8254 there are ________ pins |
A. | 20 |
B. | 24 |
C. | 30 |
D. | 40 |
Answer» B. 24 |
108. |
The data lines is used to transfer _______ |
A. | count, control and status word |
B. | data, control and status word |
C. | data, count |
D. | count status word |
Answer» A. count, control and status word |
109. |
The ________ input is connected to an output of the address decoder |
A. | address bus |
B. | data bus |
C. | chip select |
D. | reset |
Answer» C. chip select |
110. |
The clock signal of frequency upto _____ is supplied to clock input |
A. | 16 MHz |
B. | 8 MHz |
C. | 32 MHz |
D. | 4 MHz |
Answer» B. 8 MHz |
111. |
The ________ input is used to enable or disable |
A. | Clk |
B. | out |
C. | Reset |
D. | gate |
Answer» D. gate |
112. |
The _______ generates output way forms on the out and output line |
A. | Counter |
B. | clock |
C. | Gate |
D. | out |
Answer» A. Counter |
113. |
The ____ is constructed for the desired mode and return into control register |
A. | control word |
B. | clk signal |
C. | Gate |
D. | reset |
Answer» A. control word |
114. |
The internal block of 8237 consists of _________ channels |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» C. 4 |
115. |
The _______ allow data transfer between memory and peripherals |
A. | DMA technique |
B. | Microprocessor |
C. | Register |
D. | Decoder |
Answer» A. DMA technique |
116. |
The ________ in 8237 operates in either master or in slave mode |
A. | microprocessor |
B. | register |
C. | dma controller |
D. | decoder |
Answer» C. dma controller |
117. |
There are _____different types of interface in micro computer system |
A. | 3 |
B. | 4 |
C. | 5 |
D. | 2 |
Answer» D. 2 |
118. |
_________ is used in high speed transfer is required |
A. | dma technique |
B. | serial communication interface |
C. | microprocessor |
D. | register |
Answer» A. dma technique |
119. |
________ is used to eliminate clock signal |
A. | synchronous |
B. | asynchronous |
C. | serial |
D. | dma |
Answer» B. asynchronous |
120. |
Synchronization bit at the beginning of character is called ________ |
A. | stop bit |
B. | simplex |
C. | half duplex |
D. | start bit |
Answer» D. start bit |
121. |
Who introduced Pentium family? |
A. | intel |
B. | wipro |
C. | cts |
D. | samsung |
Answer» A. intel |
122. |
Pentium pro processor is a ______ generation of device |
A. | first |
B. | second |
C. | third |
D. | fourth |
Answer» B. second |
123. |
In which year, Pentium pro processor introduced? |
A. | 1996 |
B. | 1998 |
C. | 1995 |
D. | 1999 |
Answer» C. 1995 |
124. |
_______ has been enhanced to provide higher performance for multimedia & communication applications. |
A. | Pentium I |
B. | Pentium II |
C. | Pentium processor with MMX technology |
D. | Pentium processor with Celeron technology |
Answer» C. Pentium processor with MMX technology |
125. |
________ is used in desktop and laptop personal computers |
A. | Pentium processor with MMX technology |
B. | Pentium Pro Processor |
C. | Celeron Processor |
D. | Intel Processor |
Answer» A. Pentium processor with MMX technology |
126. |
Expansion of SPGA is _________ |
A. | Staggered Pin Grid-Array package |
B. | Staggered Point Grid-Array package |
C. | Staggered Plus Grid-Array package |
D. | Staggered per grid-Array package |
Answer» A. Staggered Pin Grid-Array package |
127. |
Pentium pro processor has _______ die |
A. | one |
B. | three |
C. | two |
D. | four |
Answer» C. two |
128. |
In Pentium-pro processor, dies are manufactured using intel ___ mm BICMOS process |
A. | 0.25 |
B. | 0.35 |
C. | 0.45 |
D. | 0.50 |
Answer» B. 0.35 |
129. |
The circuitry of the Pentium pro processor is equivalent to _______ million transistors |
A. | 1.5 |
B. | 2.5 |
C. | 3.5 |
D. | 5.5 |
Answer» D. 5.5 |
130. |
Pentium-pro processor design implements________ micro architecture |
A. | P2 |
B. | P4 |
C. | P6 |
D. | P8 |
Answer» C. P6 |
131. |
Micro architecture employs _________ execution |
A. | static |
B. | dynamic |
C. | static and dynamic |
D. | none |
Answer» B. dynamic |
132. |
________ is performed to determine the best order of for execution of instructions |
A. | system flow analysis |
B. | process flow analysis |
C. | data flow analysis. |
D. | control flow analysis |
Answer» C. data flow analysis. |
133. |
Pentium processor with MMX technology includes _____ new instructions and 4 new _______ data types |
A. | 50 & 64 bit |
B. | 55 & 63 bit |
C. | 57 & 64 bit |
D. | 51 & 61 bit |
Answer» A. 50 & 64 bit |
134. |
Pentium II processor is a ____generation |
A. | first |
B. | second |
C. | third |
D. | fourth |
Answer» C. third |
135. |
Pentium II processor was introduced in the year _______. |
A. | 1990 |
B. | 1995 |
C. | 1998 |
D. | 1992 |
Answer» C. 1998 |
136. |
________followed Celeron processor and Pentium II Xeon processor |
A. | pentium pro processor |
B. | pentium ii processor |
C. | pentium iii processor |
D. | pentium iv processor |
Answer» B. pentium ii processor |
137. |
Pentium II xeon processor offers _______ performance than the std Pentium II processor |
A. | lower |
B. | higher |
C. | medium |
D. | none |
Answer» B. higher |
138. |
Dual independent bus architecture was first introduced in the ________________ |
A. | pentium pro processor |
B. | pentium II processor |
C. | pentium III processor |
D. | pentium IV processor |
Answer» A. pentium pro processor |
139. |
How many buses provided in Pentium II processor? |
A. | one |
B. | two |
C. | three |
D. | four |
Answer» B. two |
140. |
The system bus of both Pentium pro and Pentium II processors carry ______ bytes per clock |
A. | 4 |
B. | 8 |
C. | 7 |
D. | 5 |
Answer» B. 8 |
141. |
The maximum speed of Pentium II processor is increased to _______ MHz |
A. | 200 |
B. | 300 |
C. | 100 |
D. | 500 |
Answer» C. 100 |
142. |
Backside bus between L2 cache and MPU is _____ speed |
A. | higher |
B. | lower |
C. | medium |
D. | Infinite |
Answer» A. higher |
143. |
The peak bus bandwidth of backside bus (cache bus) is ______ Mbytes/second |
A. | 1000 |
B. | 1600 |
C. | 2600 |
D. | 3400 |
Answer» B. 1600 |
144. |
ECC & FRC were first introduced in _________ |
A. | pentium pro processor |
B. | pentium II processor |
C. | pentium II xeon processor |
D. | pentium III xeon processor |
Answer» A. pentium pro processor |
145. |
Pentium III processor was introduced in _______ |
A. | 1999 |
B. | 2000 |
C. | 2010 |
D. | 2009 |
Answer» A. 1999 |
146. |
Pentium III processor is manufactured using ____ process technology |
A. | 0.17 |
B. | 0.16 |
C. | 0.18 |
D. | 0.15 |
Answer» C. 0.18 |
147. |
In Pentium III processor, the P6 micro architecture is enriched with an additional ______ instructions |
A. | 20 |
B. | 30 |
C. | 40 |
D. | 70 |
Answer» D. 70 |
148. |
The 80386 Microprocessor family is a _____ bit microprocessor |
A. | 8 |
B. | 16 |
C. | 32 |
D. | 64 |
Answer» C. 32 |
149. |
In which year, 80386 microprocessor was introduced? |
A. | 1999 |
B. | 1995 |
C. | 1985 |
D. | 1990 |
Answer» C. 1985 |
150. |
Which family was the sixth member of 8086 family of microprocessors? |
A. | 8086 |
B. | 8085 |
C. | 80396 DX |
D. | 80486 SX |
Answer» C. 80396 DX |
151. |
The 80386DX MPU is the ______ entry in the 80386 family |
A. | first |
B. | second |
C. | third |
D. | fourth |
Answer» A. first |
152. |
Which device is high-performance member of the 80386 family of MPUs? |
A. | 80386SX |
B. | 80386DX |
C. | 80486SX |
D. | 80486DX |
Answer» B. 80386DX |
153. |
The 80386DX is a full _____ processor |
A. | 16 bit |
B. | 8 bit |
C. | 32 bit |
D. | 64 bit |
Answer» C. 32 bit |
154. |
The 80386DX has both 32 bit internal registers ______ external data bus |
A. | 16 bit |
B. | 8 bit |
C. | 32 bit |
D. | 36 bit |
Answer» C. 32 bit |
155. |
The 80486 family was introduced in the year ______ |
A. | 1987 |
B. | 1988 |
C. | 1989 |
D. | 1990 |
Answer» B. 1988 |
156. |
________ maintains real modes protected-mode software compatibility with 80386 architecture |
A. | 80486 |
B. | 8085 |
C. | 8086 |
D. | 80486 DX |
Answer» A. 80486 |
157. |
80486DX was followed by ________ |
A. | 80486SX |
B. | 80386SX |
C. | 80386DX |
D. | 80486DX |
Answer» A. 80486SX |
158. |
_______ version did not have a 16-bit external architecture |
A. | DX |
B. | SX |
C. | TX |
D. | PX |
Answer» B. SX |
159. |
_______family supports both a math co processor and cache memory |
A. | 8086 |
B. | 8087 |
C. | 80386 |
D. | 80486 |
Answer» C. 80386 |
160. |
_______is a co-processor |
A. | 8086 |
B. | 8087 |
C. | 80386 |
D. | 80486 |
Answer» B. 8087 |
161. |
The number of hardware chips needed for multiple digit display can be minimized by using the technique called ______ |
A. | interfacing |
B. | multiplexing |
C. | demultiplexing |
D. | multiprocessing |
Answer» B. multiplexing |
162. |
In multiplexing, the data lines and output ports are time shared by ______ |
A. | Matrix keyboard |
B. | LCDs |
C. | LEDs |
D. | Memory |
Answer» B. LCDs |
163. |
I/o ports of programmable devices are limited in current capacity, therefore, additional transistors or ICs called ________ |
A. | LEDs and LCSs |
B. | interface and multiplexer |
C. | segment and digit drivers |
D. | segment drives |
Answer» C. segment and digit drivers |
164. |
The SN75491 and SN75492 has ________ and _________ Darlington pair transistors in a package respectively |
A. | 3,8 |
B. | 4,6 |
C. | 2,4 |
D. | 5,10 |
Answer» B. 4,6 |
165. |
____________ is a commonly used input device when more than 8 key are necessary |
A. | Mouse |
B. | Joystick |
C. | Matrix Keyboard |
D. | Both (a) and (b) |
Answer» C. Matrix Keyboard |
166. |
The _________ reduces the number of connections, thus the number of interfacing device required |
A. | Mouse |
B. | Joystick |
C. | Monitor |
D. | matrix keyboard |
Answer» D. matrix keyboard |
167. |
In scanned multiplexed displays _______ should sink seven or eight times that current |
A. | Multiplex |
B. | Demultiplexer |
C. | Segment |
D. | Cathode |
Answer» D. Cathode |
168. |
The ______ is called segment or digit dri |
A. | Transistors |
B. | Cathode |
C. | Circuit |
D. | Displays |
Answer» A. Transistors |
169. |
The ______ provide the capability of eight I/o ports in interfacing circuit |
A. | Encoder |
B. | Decoder |
C. | Multiplexer |
D. | Demultiplexe |
Answer» B. Decoder |
170. |
The output line of interfacing circuit is used in _____ |
A. | LED scanned display |
B. | LCD Scanned display |
C. | Keyboard matrix |
D. | Display |
Answer» A. LED scanned display |
171. |
These are _______ common cathode in scanned multiplexed displays |
A. | 7 |
B. | 6 |
C. | 5 |
D. | 4 |
Answer» B. 6 |
172. |
There are ______ segment LEDs in scanned multiplexed displays |
A. | 5 |
B. | 4 |
C. | 6 |
D. | 7 |
Answer» D. 7 |
173. |
An RS-232 interface is ____________ |
A. | a parallel interface |
B. | a serial interface |
C. | printer interface |
D. | a modem interface |
Answer» B. a serial interface |
174. |
Expansion for DTE is ______ |
A. | data terminal equipment |
B. | data trap equipment |
C. | data text equipment |
D. | data terminal extension |
Answer» A. data terminal equipment |
175. |
Expansion of DCE ________ |
A. | data circuit terminating equipment |
B. | data cycle terminating equipment |
C. | data circuit terminating extension |
D. | dynamic circuit terminating equipment |
Answer» A. data circuit terminating equipment |
176. |
RS-232 is used in _________ |
A. | common serial port |
B. | common signal port |
C. | computer serial ports |
D. | computer signal port |
Answer» C. computer serial ports |
177. |
Rs-232 was introduced in __________ |
A. | 1942 |
B. | . 1932 |
C. | 1952 |
D. | 1962 |
Answer» D. 1962 |
178. |
Compared with RS-232, USB is faster and uses___________ |
A. | medium voltage |
B. | higher voltage |
C. | lower voltage |
D. | None |
Answer» C. lower voltage |
179. |
In which year, 8086 was introduced? |
A. | 1978 |
B. | 1979 |
C. | 1977 |
D. | 1981 |
Answer» A. 1978 |
180. |
In which year, 8088 was announced? |
A. | 1979 |
B. | 1988 |
C. | 1999 |
D. | 2000 |
Answer» A. 1979 |
181. |
What does the acronym RFID stand for? |
A. | remote field identification |
B. | radio frequency identification |
C. | radio field identification |
D. | radio frequency imaging & detection |
Answer» B. radio frequency identification |
182. |
What is a smart card ? |
A. | form of ATM card |
B. | has more storage capacity than an ATM card |
C. | an access card for a security system |
D. | contains a microprocessor |
Answer» C. an access card for a security system |
183. |
Smart Card on a microprocessor is for _______ |
A. | safety |
B. | security |
C. | protection |
D. | authority |
Answer» B. security |
184. |
Smart card is used to provide ___________ |
A. | access |
B. | authority |
C. | automation |
D. | access control |
Answer» A. access |
185. |
Another name for smart card ________ |
A. | ICC |
B. | IFC |
C. | IRC |
D. | IC |
Answer» A. ICC |
186. |
Smart card is made up of ________ |
A. | silicon |
B. | iron |
C. | plastic |
D. | rubber |
Answer» C. plastic |
187. |
Smart card size is _________ |
A. | 85.60 x 53.98 mm |
B. | 85.70 x53.68 mm |
C. | 86.50 x 52.67 mm |
D. | 86.40 x51.77 mm |
Answer» A. 85.60 x 53.98 mm |
188. |
Smarts cards may have up to ______ kilobytes of RAM, ___ kilobytes of ROM, ___ kilobytes of programmable ROM, and a 16-bit microprocessor |
A. | 8 & 346 & 256 |
B. | 7 & 345 & 255 |
C. | 6 & 344 & 254 |
D. | 5 & 343 & 253 |
Answer» A. 8 & 346 & 256 |
189. |
The smart card uses a __________ interface |
A. | serial |
B. | parallel |
C. | multple |
D. | single |
Answer» A. serial |
190. |
The most common smart card application is ________. |
A. | credit card |
B. | atm card |
C. | business card |
D. | system card |
Answer» A. credit card |
191. |
Expansion for HMOS technology_______ |
A. | high level mode oxygen semiconductor |
B. | high level metal oxygen semiconductor |
C. | high performance medium oxide semiconductor |
D. | high performance metal oxide semiconductor |
Answer» D. high performance metal oxide semiconductor |
192. |
8086 and 8088 contains _______ transistors |
A. | 29000 |
B. | 24000 |
C. | 34000 |
D. | 54000 |
Answer» A. 29000 |
193. |
ALE stands for ___________ |
A. | address latch enable |
B. | address level enable |
C. | address leak enable |
D. | address leak extension |
Answer» A. address latch enable |
194. |
What is DEN? |
A. | direct enable |
B. | data entered |
C. | data enable |
D. | data encoding |
Answer» B. data entered |
195. |
Which pin is a programmable peripheral interface? |
A. | 8255 |
B. | 8258 |
C. | 8254 |
D. | 8259 |
Answer» A. 8255 |
196. |
The inside of smart card contains an ___________ |
A. | 8085 microprocessor |
B. | 8086 microprocessor |
C. | 8088 microprocessor |
D. | embedded microprocessor |
Answer» D. embedded microprocessor |
197. |
RFID technology is a __________ |
A. | automatic identification technology |
B. | computer tech |
C. | information tech |
D. | system tech |
Answer» A. automatic identification technology |
198. |
The information stored in RFID is ________ |
A. | character |
B. | number |
C. | ascii |
D. | pneumonic |
Answer» C. ascii |
199. |
In RFID, the productivity enhancement is _______ time |
A. | five |
B. | ten |
C. | four |
D. | nine |
Answer» B. ten |
200. |
RFID chip inside the tag is ________ |
A. | read only |
B. | write only |
C. | read-write |
D. | none |
Answer» A. read only |
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