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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.
| 1. |
A 32 bit microprocessor has the word length equal to |
| A. | 2 byte |
| B. | 8 byte |
| C. | 4 byte |
| D. | 32 byte |
| Answer» D. 32 byte | |
| 2. |
When arithmetic, logic and control unit of a computer are combined into a single unit, it is known as |
| A. | central processing unit |
| B. | memory unit |
| C. | I/O unit |
| D. | operating unit |
| Answer» B. memory unit | |
| 3. |
What is the full form of MAR in Computer Basic ? |
| A. | Main Address Register |
| B. | Memory Access Register |
| C. | Main Accessible Register |
| D. | Memory Address Register |
| Answer» E. | |
| 4. |
Concept used during processing, for temporary storage of active data and instructions, is said to be |
| A. | Flash memory |
| B. | Read only memory |
| C. | Cache memory |
| D. | Random access memory |
| Answer» C. Cache memory | |
| 5. |
Machine language designed for a processor is based on list of |
| A. | Components |
| B. | Data sets |
| C. | Processing Units |
| D. | Instruction set |
| Answer» E. | |
| 6. |
Instruction set supported by RISC processors are said to be |
| A. | Large |
| B. | Small |
| C. | Variable length |
| D. | Data length |
| Answer» C. Variable length | |
| 7. |
Label which contains file name is classified as |
| A. | header label |
| B. | trailer label |
| C. | end of file marker |
| D. | start of file marker |
| Answer» B. trailer label | |
| 8. |
A device or system not directly under control of computer system is known to be |
| A. | On-line |
| B. | On-board |
| C. | Off-board |
| D. | Off-line |
| Answer» E. | |
| 9. |
In immediate addressing the operand is placed |
| A. | In stack |
| B. | After OP code in the instruction |
| C. | In the CPU register |
| D. | In memory |
| Answer» C. In the CPU register | |
| 10. |
Interconnected computer configuration is said to be |
| A. | Multiprogramming |
| B. | Multiprocessing |
| C. | Multischeduling |
| D. | Multitasking |
| Answer» C. Multischeduling | |
| 11. |
Operation is performed by ALU is |
| A. | square root |
| B. | exponential |
| C. | data manipulation |
| D. | all of these |
| Answer» E. | |
| 12. |
Term used to gain speed of calculation in large scientific computers is defined to be |
| A. | Variable length |
| B. | Data length |
| C. | Fixed length |
| D. | Referral length |
| Answer» D. Referral length | |
| 13. |
CPU chips, RAM chips and ROM chips are mounted on |
| A. | Motherboard |
| B. | Hard-board |
| C. | Disk-board |
| D. | Compositeboard |
| Answer» B. Hard-board | |
| 14. |
In a computer, ALU can performs both arithmetic and |
| A. | logic operation |
| B. | logging operation |
| C. | loading operation |
| D. | learning operation |
| Answer» B. logging operation | |
| 15. |
The two major types of computer chips are |
| A. | External memory chip |
| B. | Primary memory chip |
| C. | Microprocessor chip |
| D. | Both External memory chip and Primary memory chip |
| Answer» E. | |
| 16. |
Processors of all computers, whether micro, mini or mainframe must have |
| A. | ALU |
| B. | Control unit |
| C. | Primary Storage |
| D. | All of the above |
| Answer» E. | |
| 17. |
The 1’s complement of 1 in 4 bits is __________ |
| A. | 0001 |
| B. | 0 |
| C. | 1001 |
| D. | 1110 |
| Answer» E. | |
| 18. |
The expression of an EXOR gate is ____________ |
| A. | A’B+AB’ |
| B. | AB+A’B’ |
| C. | A+A.B |
| D. | A’+B’ |
| Answer» B. AB+A’B’ | |
| 19. |
A method of implementing a memory management system is |
| A. | Broadband coaxial system |
| B. | Buddy system |
| C. | Bridgeware |
| D. | All of the above |
| Answer» C. Bridgeware | |
| 20. |
The brain of any computer system is |
| A. | Control Unit |
| B. | Storage Unit |
| C. | Central Processing Unit |
| D. | Arithmetic Logic Unit |
| Answer» D. Arithmetic Logic Unit | |
| 21. |
Who proposed the use of Boolean algebra in design of relay switching circuits? |
| A. | George Boole |
| B. | Claude E. Shannon |
| C. | Claude E. Boole |
| D. | George Shannon |
| Answer» C. Claude E. Boole | |
| 22. |
Operations of computer's units are controlled and activated by |
| A. | Central Processing Unit |
| B. | Arithmetic Logic Unit |
| C. | Linear Logic Unit |
| D. | Control Unit |
| Answer» B. Arithmetic Logic Unit | |
| 23. |
Which of the following memory has the shortest access time? |
| A. | External Memory |
| B. | Register |
| C. | Virtual Memory |
| D. | Cache Memory |
| Answer» C. Virtual Memory | |
| 24. |
In Computer System Memory management operations are performed by |
| A. | User |
| B. | Hardware |
| C. | Programmer |
| D. | Operating system |
| Answer» E. | |
| 25. |
A register organized to allow to move left or right operations is called a ____? |
| A. | Adder |
| B. | Shift register |
| C. | Counter |
| D. | Loader |
| Answer» C. Counter | |
| 26. |
Multi-core processors are widely used in design process of |
| A. | High-end servers |
| B. | Low-end servers |
| C. | Workstations |
| D. | Both a and c |
| Answer» E. | |
| 27. |
Binary addition of 1 + 1 gives the result _____________ |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 10 |
| Answer» B. 1 | |
| 28. |
Routing is selection of actual path to be used to transmit a message in |
| A. | Local area network environment |
| B. | Metropolitan area network environment |
| C. | Wide area network environment |
| D. | Absolute area network environment |
| Answer» D. Absolute area network environment | |
| 29. |
Physical connection between Microprocessor Memory and other parts is called _________ |
| A. | Path |
| B. | Hub |
| C. | Address bus |
| D. | None of the above |
| Answer» D. None of the above | |
| 30. |
In instruction set of most CPUs, there are |
| A. | 100 or more instructions |
| B. | 200 or more instructions |
| C. | 300 or more instructions |
| D. | 400 or more instructions |
| Answer» C. 300 or more instructions | |
| 31. |
Through which device the main components of the computer communicate with each other? |
| A. | Keyboard |
| B. | Memory |
| C. | System Bus |
| D. | Monitor |
| Answer» D. Monitor | |
| 32. |
Pipelining strategy is called implement |
| A. | Instruction execution |
| B. | Instruction manipulation |
| C. | Instruction prefetch |
| D. | Instruction decoding |
| Answer» D. Instruction decoding | |
| 33. |
2’s complement is obtained by adding 1 to 1’s complement of a number. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» B. False | |
| 34. |
Network topology determines structure of interconnection of |
| A. | Blocks of computer network |
| B. | Nodes of computer network |
| C. | Entities of computer network |
| D. | Pages of computer network |
| Answer» C. Entities of computer network | |
| 35. |
What does SVGA stands for? |
| A. | Standard Visual Graphics Array |
| B. | Super Visual Graphics Array |
| C. | Standard Video Graphics Array |
| D. | Super Video Graphics Array |
| Answer» E. | |
| 36. |
>> operator is used to denote _________ |
| A. | left shift |
| B. | right shift |
| C. | greater than |
| D. | less than |
| Answer» C. greater than | |
| 37. |
The ascending order or a data Hierarchy is |
| A. | Bit - bytes - record - field - file - database |
| B. | Bytes - bit- field - record - file - database |
| C. | Bytes -bit - record - field - file - database |
| D. | Bit - bytes - fields - record - file - database |
| Answer» E. | |
| 38. |
Operations of all components of a computer system is managed by the |
| A. | Processing Unit |
| B. | Sequence Unit |
| C. | Control Unit |
| D. | Coordinator Unit |
| Answer» D. Coordinator Unit | |
| 39. |
File which contains list of other file names is known as |
| A. | path file |
| B. | batched file |
| C. | directory |
| D. | path name |
| Answer» D. path name | |
| 40. |
What is the complement of X’Y’Z? |
| A. | X+YZ |
| B. | X’+Y+’Z’ |
| C. | X+Y+Z’ |
| D. | XYZ’ |
| Answer» D. XYZ’ | |
| 41. |
Which of the following registers is loaded with the contents of the memory location pointed by thePC? |
| A. | Memory address registers |
| B. | Memory data registers |
| C. | Program counter |
| D. | Instruction register |
| Answer» E. | |
| 42. |
CPU does not perform the operation |
| A. | Data transfer |
| B. | Arithmetic operation |
| C. | Logic operation |
| D. | All of the above |
| Answer» E. | |
| 43. |
Cache memory is a small memory existing between |
| A. | CPU and main memory |
| B. | CPU and motherboard |
| C. | Secondary disk and main memory |
| D. | Secondary disk and chips |
| Answer» B. CPU and motherboard | |
| 44. |
In the expression Y + X’.Y, which operator will be evaluated first ? |
| A. | ‘ |
| B. | + |
| C. | . |
| D. | , |
| Answer» B. + | |
| 45. |
CISC processors supports a variety of |
| A. | Non-instruction sets |
| B. | Complex instruction sets |
| C. | Addressing modes |
| D. | Non-Addressing modes |
| Answer» D. Non-Addressing modes | |
| 46. |
A storage device wheere the access time is depended upon the location of the data is |
| A. | Transaction access |
| B. | Serial access |
| C. | Random access |
| D. | Sequential access |
| Answer» C. Random access | |
| 47. |
The result obtained on subtraction using 2’s complement of 1111-0010 will be _________ |
| A. | 11101 |
| B. | 11011 |
| C. | 1101 |
| D. | 1011 |
| Answer» D. 1011 | |
| 48. |
Microprocessors can be used to make |
| A. | Computers |
| B. | Digital systems |
| C. | Calculators |
| D. | All of the above |
| Answer» E. | |
| 49. |
An approach that permits the computer to work on several programs instead of one is |
| A. | Outline processor |
| B. | Over lapped processing |
| C. | On-line thesaurus |
| D. | Multiprogramming |
| Answer» C. On-line thesaurus | |
| 50. |
Overall performance is improved in multi-core processors by introducing |
| A. | Time shared activities |
| B. | Time sliced activities |
| C. | Parallel activities |
| D. | Concurrent activities |
| Answer» D. Concurrent activities | |