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. |
The pieces of equipment which are attached to the CPU of a computer and which it can access are called |
| A. | output devices |
| B. | control units |
| C. | hardware |
| D. | peripherals |
| Answer» E. | |
| 2. |
A device used to bring information into a computer is |
| A. | ALU |
| B. | Input device |
| C. | Control unit |
| D. | Output device |
| Answer» C. Control unit | |
| 3. |
Processors of all computers, whether micro, mini or mainframe must have |
| A. | ALU |
| B. | Primary storage |
| C. | Control Unit |
| D. | All of the above |
| Answer» E. | |
| 4. |
The physical components of a computer system is |
| A. | Human ware |
| B. | Firm ware |
| C. | Hardware |
| D. | Software |
| Answer» D. Software | |
| 5. |
Which of the following languages is often translated to pseudo code? |
| A. | Assembly |
| B. | FORTRAN |
| C. | PASCAL |
| D. | BASIC |
| Answer» D. BASIC | |
| 6. |
A device mounted on a communication satellite which receives, amplifies and re-transmits signals from earth station is |
| A. | Track |
| B. | Transponder |
| C. | Transistor |
| D. | Terminal |
| Answer» C. Transistor | |
| 7. |
A technique for processing jobs on a first-come, first-served basis is known as |
| A. | FAX |
| B. | FIFO |
| C. | GIGO cable |
| D. | Optical mark reader |
| Answer» C. GIGO cable | |
| 8. |
The 7-bit ASCII code widely used |
| A. | For data communication work |
| B. | In IBM mainframe models |
| C. | For coding external memory |
| D. | In large machines produced by non-IBM vendors |
| Answer» B. In IBM mainframe models | |
| 9. |
A large computer designed to handle complex scientific calculations |
| A. | may use only a firmed word-length storage approach |
| B. | will likely require a character addressable storage unit |
| C. | must use fixed length words of four character each |
| D. | will not use numbered address locations |
| Answer» B. will likely require a character addressable storage unit | |
| 10. |
Which is a basic technique, using activity networks. |
| A. | CPA |
| B. | VLSI |
| C. | GIGO |
| D. | MSI |
| Answer» B. VLSI | |
| 11. |
Which gate only sends one through if neither of its terminals receives a pulse. |
| A. | NOT |
| B. | NOR |
| C. | OR |
| D. | NAND |
| Answer» C. OR | |
| 12. |
An IC contains 50 gates each of which consists of 6 components. Its belong to |
| A. | VLSI |
| B. | LSI |
| C. | MSI |
| D. | SSI |
| Answer» D. SSI | |
| 13. |
Which language was created by Charles H. Moore at National Radio Astronomy Observatory. |
| A. | BASIC |
| B. | FORTH |
| C. | dBASE |
| D. | COBOL |
| Answer» C. dBASE | |
| 14. |
Hardware _____ memory is seldom used in modern computers. |
| A. | ROM |
| B. | RAM |
| C. | LIFO |
| D. | PROM |
| Answer» D. PROM | |
| 15. |
Which of the following statements is false? |
| A. | Secondary storage is nonvolatile |
| B. | Primary storage is volatile |
| C. | Secondary storage contains data for immediate processing |
| D. | When the computer is turned off, data and instructions stored in primary storage are erased |
| Answer» D. When the computer is turned off, data and instructions stored in primary storage are erased | |
| 16. |
RAM is also known as |
| A. | Read-only memory |
| B. | Programmable read-only memory |
| C. | Read/Write memory |
| D. | Erasable programmable read-only memory |
| Answer» D. Erasable programmable read-only memory | |
| 17. |
The first computer used to store a program |
| A. | EDSAC |
| B. | ENIAC |
| C. | EDVAC |
| D. | ACE |
| Answer» B. ENIAC | |
| 18. |
A symbol that modifies an action is known as |
| A. | Compiler |
| B. | Modifier |
| C. | Interpreter |
| D. | Mod |
| Answer» C. Interpreter | |
| 19. |
Conversion of binary number 1011102 to octal is |
| A. | 358 |
| B. | 468 |
| C. | 568 |
| D. | 508 |
| Answer» D. 508 | |
| 20. |
Which 8-bit chip was used in many of Tandy's TRS-80 computers? |
| A. | Z-8000 |
| B. | Motorola 6809 |
| C. | Z-8088 |
| D. | Z-80 |
| Answer» E. | |
| 21. |
Which of the following is the largest and most powerful computer manufacture in the world |
| A. | IBM |
| B. | Intel |
| C. | Novel |
| D. | Microsoft |
| Answer» B. Intel | |
| 22. |
Which protocol has been standardised by the International Standards Organisation. |
| A. | ISAM |
| B. | ISO |
| C. | LISP |
| D. | CALL |
| Answer» C. LISP | |
| 23. |
Which of the following isn't a type of computer facility? |
| A. | decentralized |
| B. | centralized |
| C. | de-distributed |
| D. | distributed |
| Answer» D. distributed | |
| 24. |
How many addresses are required for 25 x 40 video RAM? |
| A. | 2000 |
| B. | 1920 |
| C. | 1000 |
| D. | 2000 |
| Answer» D. 2000 | |
| 25. |
Which of the following languages is the most widely used? |
| A. | PL/1 |
| B. | BASIC |
| C. | FORTRAN |
| D. | PASCAL |
| Answer» D. PASCAL | |
| 26. |
Which of the following is a special purpose language used to describe to a computer's operating system. |
| A. | LOGO |
| B. | APL |
| C. | ICL |
| D. | CORAL |
| Answer» D. CORAL | |
| 27. |
The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately |
| A. | 16 digits |
| B. | 6 digits |
| C. | 4 digits |
| D. | All of the above |
| Answer» C. 4 digits | |
| 28. |
The main purpose of the off line device is |
| A. | To reduce the no.of operator errors in recording data |
| B. | To save computer time |
| C. | To save floor space in the computer centre |
| D. | All of the above |
| Answer» C. To save floor space in the computer centre | |
| 29. |
What is the minimum number of operations required, for a microprocessor with 8 data pins, to read a 32-bit word? |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 8 |
| Answer» D. 8 | |
| 30. |
A framework in which circuit boards can he mounted is |
| A. | Switch circuit |
| B. | Chip |
| C. | Card cage |
| D. | Bar code |
| Answer» D. Bar code | |
| 31. |
The unit of hardware an operator uses to monitor computer processing is the: |
| A. | Card reader |
| B. | CPU |
| C. | Line printer |
| D. | Console |
| Answer» E. | |
| 32. |
A path linking 2 hardware or telecommunication units down which data and control signals can be transmitted is |
| A. | Modulation |
| B. | Demodulation |
| C. | Channel |
| D. | Signalling |
| Answer» D. Signalling | |
| 33. |
The personnel which deal with the computer and its management put together is known as |
| A. | Firm ware |
| B. | Human ware |
| C. | Software |
| D. | Hardware |
| Answer» C. Software | |
| 34. |
The IC was invented at Texas instruments in year 1958 by |
| A. | Jaik Kilby |
| B. | Clive Sinclair |
| C. | John Napier |
| D. | Steve Wozniak |
| Answer» B. Clive Sinclair | |
| 35. |
IBM 7000 digital computer |
| A. | belongs to second generation |
| B. | uses VLSI |
| C. | employs semi conductor memory |
| D. | has modular construction |
| Answer» E. | |
| 36. |
An automatic machine that performs routine seemingly human tasks is |
| A. | KIPS |
| B. | AI |
| C. | PL |
| D. | Robot |
| Answer» E. | |
| 37. |
A device that both transmits and receives data, is |
| A. | Transducer |
| B. | Trapdoor |
| C. | Translator |
| D. | Transceiver |
| Answer» E. | |
| 38. |
Which selection below best describes the term data processing? |
| A. | The collection of information or data |
| B. | The distribution of information or data |
| C. | The manipulation of information or data |
| D. | The storage of information or data |
| Answer» D. The storage of information or data | |
| 39. |
Example of non-numerical data is |
| A. | Employee address |
| B. | Examination score |
| C. | Bank balance |
| D. | All of the above |
| Answer» B. Examination score | |
| 40. |
When was the world's first laptop computer introduced in the market and by whom? |
| A. | Hewlett-Packard, 1980 |
| B. | Epson, 1981 |
| C. | Laplink Travelling Software Inc, 1982. |
| D. | Tandy Model-200, 1985 |
| Answer» C. Laplink Travelling Software Inc, 1982. | |
| 41. |
The memory which is programmed at the time it is manufactured |
| A. | ROM |
| B. | RAM |
| C. | PROM |
| D. | EPROM |
| Answer» B. RAM | |
| 42. |
Which facilitates data processing capabilities at the location of the end-user. |
| A. | DTP |
| B. | EDT |
| C. | DDP |
| D. | FAX |
| Answer» D. FAX | |
| 43. |
Which method is of reading the characters & providing input to a computer. |
| A. | Optical character reader |
| B. | Punched paper tape |
| C. | Card punch |
| D. | Magnetic ink character |
| Answer» B. Punched paper tape | |
| 44. |
A device that converts one type of signal into another is called |
| A. | Modem |
| B. | Transducer |
| C. | Punched paper tape |
| D. | Punched card |
| Answer» C. Punched paper tape | |
| 45. |
The output quality of a printer is measured by |
| A. | Dots per inch |
| B. | Dots per line |
| C. | Dots printed per unit time |
| D. | All of the above |
| Answer» B. Dots per line | |
| 46. |
Which of the following functional components of a computer is responsible for the transient or temporary storage used by the CPU? |
| A. | Input |
| B. | Output |
| C. | CPU |
| D. | Memory |
| Answer» E. | |
| 47. |
A standard tape recorder used to save or load computer information is known as |
| A. | Magnetic tape |
| B. | Cassette drive |
| C. | Punched paper tape |
| D. | Card punch |
| Answer» C. Punched paper tape | |
| 48. |
A device that transmits messages in verbal form is |
| A. | Audit trail |
| B. | Card punch |
| C. | Audio response unit |
| D. | Magnetic tape |
| Answer» D. Magnetic tape | |
| 49. |
Conversion of a hexadecimal number 4E16 to binary number is |
| A. | 10011012 |
| B. | 10011102 |
| C. | 11011002 |
| D. | 1101112 |
| Answer» C. 11011002 | |
| 50. |
A type of core store that has a lower access time than the devices used for working store in the same processor is known as |
| A. | core memory |
| B. | buffer |
| C. | fast core |
| D. | address register |
| Answer» D. address register | |