MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Most modern computers employ memory organization named as |
| A. | Fixed length |
| B. | Set length |
| C. | Data length |
| D. | Expression length |
| Answer» B. Set length | |
| 2. |
Operations in machines having larger word-length are said to be |
| A. | Complex |
| B. | Slow |
| C. | Fast |
| D. | Dependent |
| Answer» D. Dependent | |
| 3. |
In a computer _____ is capable to store single binary bit |
| A. | Capacitor |
| B. | Register |
| C. | Inductor |
| D. | Flip flop |
| Answer» E. | |
| 4. |
The subtraction using 1’s complement of 110 – 100 will give the result ___________ |
| A. | -011 |
| B. | 011 |
| C. | 010 |
| D. | -010 |
| Answer» D. -010 | |
| 5. |
For execution of an instruction, signals are issued by the |
| A. | Arithmetic Logic Unit |
| B. | Control unit |
| C. | Processing Unit |
| D. | Logic Unit |
| Answer» C. Processing Unit | |
| 6. |
Logic circuit diagram is traced in designing process to implement the |
| A. | Boolean operations |
| B. | Boolean variables |
| C. | Boolean function |
| D. | Boolean literals |
| Answer» D. Boolean literals | |
| 7. |
Control unit timed sequence that fetches instructions from computer main store is classified as |
| A. | the fetch execute cycle |
| B. | the timed cycle |
| C. | the sequenced cycle |
| D. | the execution cycle |
| Answer» B. the timed cycle | |
| 8. |
Engineering design of arithmetic logic unit determines the |
| A. | Type and number of storing operations |
| B. | Type and number of logical operations |
| C. | Type and number of control operations |
| D. | Type and number of logical and arithmetic operations |
| Answer» E. | |
| 9. |
It mediates communication between CPU and other components of system. |
| A. | CPU |
| B. | RAM |
| C. | Chipset |
| D. | Buses |
| Answer» D. Buses | |
| 10. |
A computer primarily constitutes of _____________integral components. |
| A. | Two |
| B. | Four |
| C. | Three |
| D. | Eight |
| Answer» D. Eight | |
| 11. |
The minterm of any expression is denoted by ___________ |
| A. | Mt |
| B. | m |
| C. | M |
| D. | min |
| Answer» C. M | |
| 12. |
Packing more instructions in memory introduces concept of |
| A. | Variable length |
| B. | Fixed length |
| C. | Half word |
| D. | One and a half word |
| Answer» B. Fixed length | |
| 13. |
Logic circuit with only one output and one or more inputs is said to be |
| A. | binary gate |
| B. | logic gate |
| C. | circuit gate |
| D. | system gate |
| Answer» C. circuit gate | |
| 14. |
The ALU of a computer responds to the commands coming from |
| A. | Primary memory |
| B. | Cache memory |
| C. | Control section |
| D. | External memory |
| Answer» D. External memory | |
| 15. |
Process of organizing data into processed file is classified as |
| A. | deleting a file |
| B. | organizing a file |
| C. | creating a file |
| D. | updating a file |
| Answer» D. updating a file | |
| 16. |
What will be the value obtained after multiplication of (-2) * (-3) using Booth’s Algorithm? |
| A. | 6 |
| B. | -6 |
| C. | -2 |
| D. | -3 |
| Answer» B. -6 | |
| 17. |
A computer can't do a single work without |
| A. | icons |
| B. | CPU |
| C. | instructions |
| D. | monitor |
| Answer» C. instructions | |
| 18. |
When operations are in parallel, communication is allowed between softwares, in processor type of |
| A. | CISC |
| B. | RISC |
| C. | EPIC |
| D. | Multi-core |
| Answer» D. Multi-core | |
| 19. |
All Computers (Mainframe, Mini or Micro) must have |
| A. | ALU |
| B. | Control Unit |
| C. | Primary Storage |
| D. | All of above |
| Answer» E. | |
| 20. |
Label the parts 1 and 2: |
| A. | 1.ALU 2. MU |
| B. | 1.Output unit 2.Input Unit |
| C. | 1.MU 2. ALU |
| D. | 1.Input Unit 2.Output Unit |
| Answer» E. | |
| 21. |
What is the control unit's function in the CPU? |
| A. | To perform logic operations |
| B. | To decode program instruction |
| C. | To transfer data to primary storage |
| D. | To store program instruction |
| Answer» C. To transfer data to primary storage | |
| 22. |
Word length of a Personal Computer is ___ |
| A. | 64 bits |
| B. | 8 bits |
| C. | 4 bits |
| D. | 16 bits |
| Answer» C. 4 bits | |
| 23. |
Binary circuit elements have |
| A. | Three stable state |
| B. | Two stable state |
| C. | One stable state |
| D. | None of the above |
| Answer» C. One stable state | |
| 24. |
BCD is |
| A. | Bit Coded Decimal |
| B. | Binary Coded Digit |
| C. | Bit Coded Digit |
| D. | Binary Coded Decimal |
| Answer» E. | |
| 25. |
In Reduced Instruction Set Computer, instructions for processing are said to be of |
| A. | Variable length |
| B. | Data length |
| C. | Fixed length |
| D. | Referral length |
| Answer» D. Referral length | |
| 26. |
Which operation is shown in the following expression: (X+Y’).(X+Z).(Z’+Y’) |
| A. | NOR |
| B. | ExOR |
| C. | SOP |
| D. | POS |
| Answer» D. POS | |
| 27. |
Information travels between components on the mother board through |
| A. | Flash memory |
| B. | CMOS |
| C. | Bays |
| D. | Buses |
| Answer» E. | |
| 28. |
ALU works on the instructions and data held in the: |
| A. | Note book |
| B. | Copy pad |
| C. | Registers |
| D. | I/O devices |
| Answer» D. I/O devices | |
| 29. |
Only ……………. program(s) become(s) active even though we can open many programs at a time. |
| A. | four |
| B. | three |
| C. | two |
| D. | one |
| Answer» E. | |
| 30. |
The………….. of a system includes the programs or instructions. |
| A. | hardware |
| B. | icon |
| C. | information |
| D. | software |
| Answer» E. | |
| 31. |
The fastest memory in a computer system is: |
| A. | ROM |
| B. | RAM |
| C. | Cache |
| D. | Hard disk |
| Answer» D. Hard disk | |
| 32. |
…………… is a type of processor architecture that utilize a small, highly optimized set of instructions. |
| A. | CISC |
| B. | RISC |
| C. | VISC |
| D. | LISC |
| Answer» C. VISC | |
| 33. |
Microcomputer hardware consists of three basic categories of physical equipment …….……. |
| A. | keyboard, monitor, hard drive |
| B. | system unit, input/output, memory |
| C. | system unit, input/output, secondary storage |
| D. | system unit, primary storage, secondary storage |
| Answer» C. system unit, input/output, secondary storage | |
| 34. |
Which part of the central processing unit(CPU) perform calculation and makes decisions |
| A. | Arithmetic Logic Unit |
| B. | Alternating Logic Unit |
| C. | Alternate Local Unit |
| D. | American Logic Unit |
| Answer» B. Alternating Logic Unit | |
| 35. |
Computers use the number system to store data and perform calculations. |
| A. | binary |
| B. | octal |
| C. | decimal |
| D. | hexadecimal |
| Answer» B. octal | |
| 36. |
The ………….. is the administrative section of the computer system. |
| A. | Input unit |
| B. | Memory unit |
| C. | Output unit |
| D. | Central processing unit |
| Answer» E. | |
| 37. |
The section of the CPU that is responsible for performing mathematical operations |
| A. | Memory |
| B. | Register Unit |
| C. | Control Unit |
| D. | ALU |
| Answer» E. | |
| 38. |
__________ Interprets and executes set of instruction. |
| A. | CPU |
| B. | VDU |
| C. | Printer |
| D. | Scanner |
| Answer» B. VDU | |
| 39. |
The 'brain' of a computer which keeps peripherals under its control is called |
| A. | Common Power Unit |
| B. | Common Processing Unit |
| C. | Central Power Unit |
| D. | Central Processing Unit |
| Answer» E. | |
| 40. |
__________Unit control the operation of CPU. |
| A. | ALU |
| B. | RAM |
| C. | CU |
| D. | BU |
| Answer» D. BU | |
| 41. |
Where does a computer add and compare its data ? |
| A. | CPU |
| B. | Memory |
| C. | Hard disk |
| D. | Floppy disk |
| Answer» B. Memory | |
| 42. |
During the ………… portion of the Information Processing Cycle, the computer acquires data from some source. |
| A. | processing |
| B. | storage |
| C. | input |
| D. | output |
| Answer» D. output | |
| 43. |
A set of information that defines the status of resources allocated to a process is |
| A. | Register Unit |
| B. | Process description |
| C. | Process control |
| D. | ALU |
| Answer» C. Process control | |
| 44. |
CPU consist of |
| A. | ALU+CU |
| B. | ROM+ALU |
| C. | RAM+ROM |
| D. | None |
| Answer» B. ROM+ALU | |
| 45. |
Diagram which is used to show logic elements and their interconnections is said to be |
| A. | circuit diagram |
| B. | system diagram |
| C. | logic diagram |
| D. | gate diagram |
| Answer» D. gate diagram | |
| 46. |
Electrical circuit having all voltages at one of two values are called |
| A. | binary circuit |
| B. | binary logic |
| C. | logic circuit |
| D. | none of the above |
| Answer» D. none of the above | |
| 47. |
Which of the following file organization is most efficient for a file with a high degree of fileactivity? |
| A. | ISAM |
| B. | B-Tree Index |
| C. | Sequential |
| D. | VSAM |
| Answer» D. VSAM | |
| 48. |
If you are given a word of size n bits, the range of 2’s complement of binary numbers is ________ |
| A. | -2^(n+1) to +2^(n+1) |
| B. | -2^(n-1) to +2^(n-1) |
| C. | -2^(n-1) to +2^(n+1) |
| D. | -2^(n-1) to +2^(n-1)-1 |
| Answer» E. | |
| 49. |
The _____________ processes the set of instructions along with any calculations and comparisons to complete the task. |
| A. | Keyboard |
| B. | Motherboard |
| C. | CPU |
| D. | Either a or c |
| Answer» D. Either a or c | |
| 50. |
Component of CPU which is not responsible for interacting with primary memory is |
| A. | ALU |
| B. | CU |
| C. | bus |
| D. | register |
| Answer» C. bus | |