McqMate
101. |
A microprocessor retries instructions from : |
A. | control memory |
B. | cache memory |
C. | main memory |
D. | virtual memory |
Answer» C. main memory |
102. |
The CPU sends out a ____ signal to indicate that valid data is available on the data bus: |
A. | read |
B. | write |
C. | both a and b |
D. | none of these |
Answer» B. write |
103. |
The CPU removes the ___ signal to complete the memory write operation: |
A. | read |
B. | write |
C. | both a and b |
D. | none of these |
Answer» A. read |
104. |
BIU STAND FOR: |
A. | bus interface unit |
B. | bess interface unit |
C. | a and b |
D. | none of these |
Answer» A. bus interface unit |
105. |
EU STAND FOR: |
A. | execution unit |
B. | execute unit |
C. | exchange unit |
D. | none of these |
Answer» A. execution unit |
106. |
Eight of the register are known as: |
A. | general- purpose register |
B. | pointer or index registers |
C. | segment registers |
D. | other register |
Answer» A. general- purpose register |
107. |
The four index register can be used for: |
A. | arithmetic operation |
B. | multipulation operation |
C. | subtraction operation |
D. | all of these |
Answer» A. arithmetic operation |
108. |
IP Stand for: |
A. | instruction pointer |
B. | instruction purpose |
C. | instruction paints |
D. | none of these |
Answer» A. instruction pointer |
109. |
CS Stand for: |
A. | code segment |
B. | coot segment |
C. | cost segment |
D. | counter segment |
Answer» A. code segment |
110. |
DS Stand for: |
A. | data segment |
B. | direct segment |
C. | declare segment |
D. | divide segment |
Answer» A. data segment |
111. |
The acculatator is 16 bit wide and is called: |
A. | ax |
B. | ah |
C. | al |
D. | dl |
Answer» A. ax |
112. |
How many bits the instruction pointer is wide: |
A. | 16 bit |
B. | 32 bit |
C. | 64 bit |
D. | 128 bit |
Answer» A. 16 bit |
113. |
How many type of addressing in memory: |
A. | logical address |
B. | physical address |
C. | both a and b |
D. | none of these |
Answer» C. both a and b |
114. |
The size of each segment in 8086 is: |
A. | 64 kb |
B. | 24 kb |
C. | 50 kb |
D. | 16kb |
Answer» A. 64 kb |
115. |
The _______ address of a memory is a 20 bit address for the 8086 microprocessor: |
A. | physical |
B. | logical |
C. | both |
D. | none of these |
Answer» A. physical |
116. |
The pin configuration of 8086 is available in the________: |
A. | 40 pin |
B. | 50 pin |
C. | 30 pin |
D. | 20 pin |
Answer» A. 40 pin |
117. |
DIP stand for: |
A. | deal inline package |
B. | dual inline package |
C. | direct inline package |
D. | digital inline package |
Answer» B. dual inline package |
118. |
EA stand for: |
A. | effective address |
B. | electrical address |
C. | effect address |
D. | none of these |
Answer» A. effective address |
119. |
BP stand for: |
A. | bit pointer |
B. | base pointer |
C. | bus pointer |
D. | byte pointer |
Answer» B. base pointer |
120. |
DI stand for: |
A. | destination index |
B. | defect index |
C. | definition index |
D. | delete index |
Answer» A. destination index |
121. |
SI stand for: |
A. | stand index |
B. | source index |
C. | segment index |
D. | simple index |
Answer» B. source index |
122. |
ALE stand for: |
A. | address latch enable |
B. | address light enable |
C. | address lower enable |
D. | address last enable |
Answer» A. address latch enable |
123. |
NMI stand for: |
A. | non mask able interrupt |
B. | non mistake interrupt |
C. | both |
D. | none of these |
Answer» A. non mask able interrupt |
124. |
The offset of a particular segment varies from _________: |
A. | 000h to fffh |
B. | 0000h to ffffh |
C. | 00h to ffh |
D. | 00000h to fffffh |
Answer» B. 0000h to ffffh |
125. |
Which are the factor of cache memory: |
A. | architecture of the microprocessor |
B. | properties of the programs being executed |
C. | size organization of the cache |
D. | all of these |
Answer» D. all of these |
126. |
________ is usually the first level of memory access by the microprocessor: |
A. | cache memory |
B. | data memory |
C. | main memory |
D. | all of these |
Answer» A. cache memory |
127. |
Microprocessor reference that are available in the cache are called______: |
A. | cache hits |
B. | cache line |
C. | cache memory |
D. | all of these |
Answer» A. cache hits |
128. |
Microprocessor reference that are not available in the cache are called_________: |
A. | cache hits |
B. | cache line |
C. | cache misses |
D. | cache memory |
Answer» C. cache misses |
129. |
Which causes the microprocessor to immediately terminate its present activity: |
A. | reset signal |
B. | interupt signal |
C. | both |
D. | none of these |
Answer» A. reset signal |
130. |
Which is responsible for all the outside world communication by the microprocessor: |
A. | biu |
B. | piu |
C. | tiu |
D. | liu |
Answer» A. biu |
131. |
INTR: it implies the__________ signal: |
A. | intrrupt request |
B. | intrrupt right |
C. | intrrupt rongh |
D. | intrrupt reset |
Answer» A. intrrupt request |
132. |
Which of the following are the two main components of the CPU? |
A. | control unit and registers |
B. | registers and main memory |
C. | control unit and alu |
D. | alu and bus |
Answer» C. control unit and alu |
133. |
The language that the computer can understand and execute is called |
A. | machine language |
B. | application software |
C. | system program |
D. | all of the above |
Answer» A. machine language |
134. |
Which of the following is used as a primary storage device? |
A. | magnetic drum |
B. | prom |
C. | floppy disk |
D. | all of these |
Answer» B. prom |
135. |
Which of the following memories needs refresh? |
A. | sram |
B. | dram |
C. | rom |
D. | all of above |
Answer» B. dram |
136. |
The memory which is programmed at the time it is manufactured |
A. | prom |
B. | ram |
C. | prom |
D. | eprom |
Answer» A. prom |
137. |
Which of the following memory medium is not used as main memory system? |
A. | magnetic core |
B. | semiconductor |
C. | magnetic tape |
D. | both a and b |
Answer» C. magnetic tape |
138. |
Registers, which are partially visible to users and used to hold conditional, are known as |
A. | pc |
B. | memory address registers |
C. | general purpose register |
D. | flags |
Answer» C. general purpose register |
139. |
One of the main feature that distinguish microprocessors from micro-computers is |
A. | words are usually larger in microprocessors |
B. | words are shorter in microprocessors |
C. | microprocessor does not contain i/o devices |
D. | exactly the same as the machine cycle time |
Answer» C. microprocessor does not contain i/o devices |
140. |
The first microprocessor built by the Intel Corporation was called |
A. | 8008 |
B. | 8080 |
C. | 4004 |
D. | 8800 |
Answer» C. 4004 |
141. |
Most important advantage of an IC is its |
A. | easy replacement in case of circuit failure |
B. | extremely high reliability |
C. | reduced cost |
D. | low powers consumption |
Answer» B. extremely high reliability |
142. |
Which of the following items are examples of storage devices? |
A. | floppy / hard disks |
B. | cd-roms |
C. | tape devices |
D. | all of the above |
Answer» D. all of the above |
143. |
Which is the type of memory for information that does not change on your computer? |
A. | ram |
B. | rom |
C. | eram |
D. | rw / ram |
Answer» B. rom |
144. |
Before a disk can be used to store data. It must be……. |
A. | formatted |
B. | reformatted |
C. | addressed |
D. | none of the above |
Answer» A. formatted |
145. |
Which company is the biggest player in the microprocessor industry? |
A. | motorola |
B. | ibm |
C. | intel |
D. | amd |
Answer» C. intel |
146. |
A typical personal computer used for business purposes would have… of RAM. |
A. | 4 kb |
B. | 16 k |
C. | 64 k |
D. | 256 k |
Answer» D. 256 k |
147. |
The word length of a computer is measured in |
A. | bytes |
B. | millimeters |
C. | meters |
D. | bits |
Answer» D. bits |
148. |
Which part of the computer is used for calculating and comparing? |
A. | disk unit |
B. | control unit |
C. | alu |
D. | modem |
Answer» C. alu |
149. |
Can you tell what passes into and out from the computer via its ports? |
A. | data |
B. | bytes |
C. | graphics |
D. | pictures |
Answer» A. data |
150. |
What is the responsibility of the logical unit in the CPU of a computer? |
A. | to produce result |
B. | to compare numbers |
C. | to control flow of information |
D. | to do math’s works |
Answer» B. to compare numbers |
151. |
The secondary storage devices can only store data but they cannot perform |
A. | arithmetic operation |
B. | logic operation |
C. | fetch operations |
D. | either of the above |
Answer» D. either of the above |
152. |
Which of the following memories allows simultaneous read and write operations? |
A. | rom |
B. | ram |
C. | eprom |
D. | none of above |
Answer» B. ram |
153. |
Which of the following memories has the shortest access times? |
A. | cache memory |
B. | magnetic bubble memory |
C. | magnetic core memory |
D. | ram |
Answer» A. cache memory |
154. |
A 32 bit microprocessor has the word length equal to |
A. | 2 byte |
B. | 32 byte |
C. | 4 byte |
D. | 8 byte |
Answer» C. 4 byte |
155. |
An error in computer data is called |
A. | chip |
B. | bug |
C. | cpu |
D. | storage device |
Answer» B. bug |
156. |
The silicon chips used for data processing are called |
A. | ram chips |
B. | rom chips |
C. | micro processors |
D. | prom chips |
Answer» D. prom chips |
157. |
The instructions for starting the computer are house on |
A. | random access memory |
B. | cd-rom |
C. | read only memory chip |
D. | all of above |
Answer» C. read only memory chip |
158. |
The ALU of a computer normally contains a number of high speed storage element called |
A. | semiconductor memory |
B. | registers |
C. | hard disks |
D. | magnetic disk |
Answer» B. registers |
159. |
The first digital computer built with IC chips was known as |
A. | ibm 7090 |
B. | apple – 1 |
C. | ibm system / 360 |
D. | vax-10 |
Answer» C. ibm system / 360 |
160. |
Which of the following terms is the most closely related to main memory? |
A. | non volatile |
B. | permanent |
C. | control unit |
D. | temporary |
Answer» D. temporary |
161. |
Which of the following is used for manufacturing chips? |
A. | control bus |
B. | control unit |
C. | parity unit |
D. | semiconductor |
Answer» D. semiconductor |
162. |
To locate a data item for storage is |
A. | field |
B. | feed |
C. | database |
D. | fetch |
Answer» D. fetch |
163. |
A directly accessible appointment calendar is feature of a … resident package |
A. | cpu |
B. | memory |
C. | buffer |
D. | alu |
Answer» B. memory |
164. |
A/n …. Device is any device that provides information, which is sent to the CPU |
A. | input |
B. | output |
C. | cpu |
D. | memory |
Answer» A. input |
165. |
Current SIMMs have either … or … connectors (pins) |
A. | 9 or 32 |
B. | 30 or 70 |
C. | 28 or 72 |
D. | 30 or 72 |
Answer» D. 30 or 72 |
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