MCQOPTIONS
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MCQOPTIONS
This section includes 1439 Mcqs, each offering curated multiple-choice questions to sharpen your Data Mining knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Unit of computer which is capable of performing arithmetic, logical and data manipulation operations on binary numbers is called |
| A. | CU |
| B. | ALU |
| C. | I/O unit |
| D. | processing unit |
| Answer» C. I/O unit | |
| 102. |
Electronic circuits that operate on one or more input signals to produce standard output _______ |
| A. | Series circuits |
| B. | Parallel Circuits |
| C. | Logic Signals |
| D. | Logic Gates |
| Answer» E. | |
| 103. |
The ‘heart’ of the processor which performs many different operations _____________ |
| A. | Arithmetic and logic unit |
| B. | Motherboard |
| C. | Control Unit |
| D. | Memory |
| Answer» B. Motherboard | |
| 104. |
The ALU and control unit of most of the microcomputers are combined and manufacture on a singlesilicon chip. What is it called? |
| A. | Monochip |
| B. | ALU |
| C. | Control unit |
| D. | Microprocessor |
| Answer» E. | |
| 105. |
An operation that marks no destruction to previous content of memory location is |
| A. | Access |
| B. | Sequencing |
| C. | Write |
| D. | Read |
| Answer» E. | |
| 106. |
Interrupts which are initiated by an I/O drive are |
| A. | Internal |
| B. | Software |
| C. | External |
| D. | All of the above |
| Answer» D. All of the above | |
| 107. |
All elements of a computer system must be related in a |
| A. | Logical way |
| B. | Incremental way |
| C. | Sequential way |
| D. | Coordinated way |
| Answer» B. Incremental way | |
| 108. |
In a CPU, similar instruction sets are grouped into |
| A. | Set |
| B. | Type and category |
| C. | Families |
| D. | Generic |
| Answer» D. Generic | |
| 109. |
The 9’s complement of 6578 is ___________ |
| A. | 1234 |
| B. | 3421 |
| C. | 3124 |
| D. | 3420 |
| Answer» C. 3124 | |
| 110. |
Time during which a job is processed by the computer is |
| A. | Delay times |
| B. | Real time |
| C. | Down time |
| D. | Execution time |
| Answer» E. | |
| 111. |
Pick the one that is used for logical operations or comparisons such as less than equal to orgreater than. |
| A. | Both Arithmetic & Logic Unit and Control Unit |
| B. | Arithmetic and Logic Unit |
| C. | Control Unit |
| D. | None of the above |
| Answer» C. Control Unit | |
| 112. |
The 1’s complement of 1111111110.101 is _______________ |
| A. | 1.010 |
| B. | 0000000000.010 |
| C. | 1111111110.101 |
| D. | 1.101 |
| Answer» B. 0000000000.010 | |
| 113. |
A set of flip flops integrated together is called ____? |
| A. | Adder |
| B. | Register |
| C. | Counter |
| D. | None of the above |
| Answer» C. Counter | |
| 114. |
A microporgram is sequencer perform the operation |
| A. | Read |
| B. | Write and Execute |
| C. | Read and write |
| D. | Read and execute |
| Answer» E. | |
| 115. |
ALU is the place where the actual executions of instructions take place during processing operation. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» B. False | |
| 116. |
VDU stands for __________ |
| A. | Virtual Display Unit |
| B. | Visual Display Unit |
| C. | Virtual Detection Unit |
| D. | Visual Detection Unit |
| Answer» C. Virtual Detection Unit | |
| 117. |
RISC stands for |
| A. | Reduced Instruction Set Computer |
| B. | Repeated Instruction Set Computer |
| C. | Regular Instruction Set Computer |
| D. | Reflective Instruction Set Computer |
| Answer» B. Repeated Instruction Set Computer | |
| 118. |
Memory elements and memory management's concepts were introduced by |
| A. | Complex Instruction Set Computers |
| B. | Reduced Instruction Set Computers |
| C. | Single-Core computers |
| D. | Multi-Core computers |
| Answer» E. | |
| 119. |
More energy efficient processor cores are possessed by processor type known to be |
| A. | Reduced Instruction Set Computers |
| B. | Multi-Core computers |
| C. | Complex Instruction Set Computers |
| D. | Explicitly Parallel Instruction Computing |
| Answer» C. Complex Instruction Set Computers | |
| 120. |
In computer, ALU has |
| A. | 2units |
| B. | 3units |
| C. | 4units |
| D. | 5units |
| Answer» B. 3units | |
| 121. |
Microprocessor 8085 can address location upto |
| A. | 1M |
| B. | 64K |
| C. | 32K |
| D. | 128K |
| Answer» C. 32K | |
| 122. |
The most common addressing techiniques employed by a CPU is |
| A. | Immediate and Direct |
| B. | Indirect |
| C. | Register |
| D. | All of the above |
| Answer» E. | |
| 123. |
If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be |
| A. | 64K |
| B. | 65,536 |
| C. | 216 |
| D. | None of the above |
| Answer» C. 216 | |
| 124. |
The sign magnitude representation of -9 is ___________ |
| A. | 00001001 |
| B. | 11111001 |
| C. | 10001001 |
| D. | 11001 |
| Answer» D. 11001 | |
| 125. |
All operations on a computer data according to given instructions are performed by |
| A. | ALU |
| B. | CPU |
| C. | CU |
| D. | window |
| Answer» C. CU | |
| 126. |
Information stored in ROM or a PROM is defined to be |
| A. | Changeable |
| B. | Unchangeable |
| C. | Inaccessible |
| D. | Frequently used |
| Answer» C. Inaccessible | |
| 127. |
Files are located by operating system with help of |
| A. | addressing system |
| B. | path file system |
| C. | directory file system |
| D. | header file system |
| Answer» B. path file system | |
| 128. |
The expression A+BC is the reduced form of ______________ |
| A. | AB+BC |
| B. | (A+B)(A+C) |
| C. | (A+C)B |
| D. | (A+B)C |
| Answer» C. (A+C)B | |
| 129. |
The earliest calculating devices are |
| A. | Difference Engine |
| B. | Abacus |
| C. | Clock |
| D. | None of the above |
| Answer» C. Clock | |
| 130. |
A __________ gate gives the output as 1 only if all the inputs signals are 1. |
| A. | AND |
| B. | OR |
| C. | EXOR |
| D. | NOR |
| Answer» B. OR | |
| 131. |
Number of logic gates and way of their interconnections can be classified as |
| A. | logical network |
| B. | system network |
| C. | circuit network |
| D. | gate network |
| Answer» B. system network | |
| 132. |
Physical connection between Microprocessor Memory and other parts is called _________ |
| A. | Address bus |
| B. | Hub |
| C. | Path |
| D. | None of the above |
| Answer» B. Hub | |
| 133. |
Execution of calculations and comparisons are made in |
| A. | Arithmetic Logic Unit |
| B. | Control Unit |
| C. | Processing Unit |
| D. | Logic Unit |
| Answer» B. Control Unit | |
| 134. |
EPIC enables compilers to extract |
| A. | Maximum parallelism |
| B. | Minimum concurrency |
| C. | Tight coupling |
| D. | Loose coupling |
| Answer» B. Minimum concurrency | |
| 135. |
Two or more sequenced files can be combined in a single file in method of |
| A. | Sequencing |
| B. | Collate |
| C. | Arranging |
| D. | Merge |
| Answer» C. Arranging | |
| 136. |
Which unit is responsible for converting the data received from the user into computer understandable format? |
| A. | Memory Unit |
| B. | Arithmetic & Logic Unit |
| C. | Input Unit |
| D. | Output Unit |
| Answer» D. Output Unit | |
| 137. |
For retrieving operands in RISC processors, references to memory were |
| A. | Reduced |
| B. | Enhanced |
| C. | Increased |
| D. | Simplified |
| Answer» B. Enhanced | |
| 138. |
A high speed buffer between CPU and main memory is installed, known to be |
| A. | Cache memory |
| B. | Cell memory |
| C. | Flash memory |
| D. | File memory |
| Answer» B. Cell memory | |
| 139. |
Ability of a CPU to execute a particular set of machine instructions is called its |
| A. | Processing set |
| B. | Data set |
| C. | Instruction set |
| D. | Logic set |
| Answer» D. Logic set | |
| 140. |
In circuit design, simplified Boolean function is obtained for every |
| A. | Input |
| B. | Output |
| C. | Variable |
| D. | Literal |
| Answer» C. Variable | |
| 141. |
When the RET instruction at the end of subroutine is executed, |
| A. | The information where the stack is iniatialized is transferred to the stack pointer |
| B. | Two data bytes stored in the top two locations of the stack are transferred to the stack pointer |
| C. | Two data bytes stored in the top two locations of the stack are transferred to the program counter |
| D. | The memory address of the RET instruction is transferred to the program counter |
| Answer» D. The memory address of the RET instruction is transferred to the program counter | |
| 142. |
A computer's memory is built of |
| A. | Volatile RAM chips |
| B. | Non-volatile RAM chips |
| C. | Volatile ROM chips |
| D. | Non-volatile ROM chips |
| Answer» B. Non-volatile RAM chips | |
| 143. |
Fact that marks true about production of CISC processors are said to be |
| A. | Complex And Cheap |
| B. | Complex And Expensive |
| C. | Simple and Expensive |
| D. | Simple and Cheap |
| Answer» C. Simple and Expensive | |
| 144. |
Current SIMMs have either _______ or _________ connectors (pins) |
| A. | 28 or 72 |
| B. | 30 or 72 |
| C. | 9 or 32 |
| D. | 30 or 70 |
| Answer» C. 9 or 32 | |
| 145. |
The first practical form of Random Access Memory was the __________ |
| A. | SSEM |
| B. | Cathode Ray Tube |
| C. | William’s Tube |
| D. | Thomas’s Tube |
| Answer» D. Thomas’s Tube | |
| 146. |
Concept used to locate files by operating system is called |
| A. | directory |
| B. | path name |
| C. | path file |
| D. | batched file |
| Answer» B. path name | |
| 147. |
Which of the following have the fastest access time? |
| A. | Magnetic Disks |
| B. | Compact Disks |
| C. | Semiconductor Memories |
| D. | Magnetic Tapes |
| Answer» D. Magnetic Tapes | |
| 148. |
Architectural components can be shared in processor design of |
| A. | RISC |
| B. | CISC |
| C. | Multi-core |
| D. | EPIC |
| Answer» D. EPIC | |
| 149. |
The following figure shows a ___________ gate. |
| A. | NOR |
| B. | NAND |
| C. | EXOR |
| D. | OR |
| Answer» B. NAND | |
| 150. |
Shortcut Notation for groups of four Binary Digits is called ____________ Number System. |
| A. | Unicode |
| B. | Binary |
| C. | Hexadecimal |
| D. | Decimal |
| Answer» D. Decimal | |