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. |
Which of the following is not used for storage purposes with main frame computers? |
| A. | removable disks |
| B. | fixed disks |
| C. | mass storage systems |
| D. | diskettes |
| E. | None of the above |
| Answer» E. None of the above | |
| 2. |
Which is true for the digital computer? |
| A. | It is less accurate than the analog computer |
| B. | It represents the decimal numbers through a string of binary digits |
| C. | It is used primarily in scientific applications |
| D. | Both (a) and (c) |
| E. | None of the above |
| Answer» C. It is used primarily in scientific applications | |
| 3. |
Which of the following terminals' output most closely resembles the output produced by a plotter? |
| A. | graphics terminal |
| B. | POS terminal |
| C. | hardcopy terminal |
| D. | all the above |
| E. | None of the above |
| Answer» B. POS terminal | |
| 4. |
What is the main advantage of magnetic core memory over semiconductor RAM memory? |
| A. | more compact and smaller |
| B. | more economical |
| C. | a bit does not have to write after reading |
| D. | non volatile |
| E. | None of the above |
| Answer» E. None of the above | |
| 5. |
The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as |
| A. | CPU |
| B. | Control Unit |
| C. | I/O unit |
| D. | Peripheral unit |
| E. | None of the above |
| Answer» B. Control Unit | |
| 6. |
Human beings are referred to as Homosapiens. Which device is called Silico sapiens? |
| A. | Monitor |
| B. | Hardware |
| C. | Robot |
| D. | Computer |
| E. | None of the above |
| Answer» E. None of the above | |
| 7. |
Which access method is used for obtaining a record from a cassette tape |
| A. | direct |
| B. | sequential |
| C. | random |
| D. | All of the above |
| E. | None of the above |
| Answer» C. random | |
| 8. |
A billionth of a second is defined as a: |
| A. | millisecond |
| B. | microsecond |
| C. | nanosecond |
| D. | picoseconds |
| E. | None of the above |
| Answer» D. picoseconds | |
| 9. |
Where have the program and data to be located before the ALU and control unit of a computer can operate on it? |
| A. | Internal memory |
| B. | Secondary memory |
| C. | Microprocessor |
| D. | Magnetic tapes |
| E. | None of the above |
| Answer» B. Secondary memory | |
| 10. |
The most important advantage of a video disk is |
| A. | Compactness |
| B. | Potential capacity |
| C. | Durability |
| D. | Cost effectiveness |
| E. | None of the above |
| Answer» C. Durability | |
| 11. |
When was Apple Macintosh II microcomputer introduced in the market? |
| A. | 1964 |
| B. | 1970 |
| C. | 1983 |
| D. | 1986 |
| E. | None of the above |
| Answer» D. 1986 | |
| 12. |
Control Unit of a digital computer is often called the |
| A. | Clock |
| B. | Nerve center |
| C. | ICs |
| D. | All of the above |
| E. | None of the above |
| Answer» C. ICs | |
| 13. |
The ASCII code for the character J is: |
| A. | 1001 0001 |
| B. | 1001 1010 |
| C. | 0100 1010 |
| D. | 1010 0001 |
| E. | None of the above |
| Answer» D. 1010 0001 | |
| 14. |
Off-line operation is the operation of devices without the control of |
| A. | Memory |
| B. | CPU |
| C. | ALU |
| D. | Control unit |
| E. | None of the above |
| Answer» C. ALU | |
| 15. |
Which of the following is the user programmed semiconductor memory? |
| A. | SRAM |
| B. | DRAM |
| C. | EPROM |
| D. | All of the above |
| E. | None of the above |
| Answer» D. All of the above | |
| 16. |
A multi programming system is one that can |
| A. | run very fast |
| B. | share hardware resources with many programs simultaneously |
| C. | compute many programs simultaneously |
| D. | use many operating systems |
| E. | None of the above |
| Answer» C. compute many programs simultaneously | |
| 17. |
In comparison with static RAM memory, the dynamic RAM memory has |
| A. | lower bit density and higher power consumption |
| B. | higher bit density and higher power consumption |
| C. | lower bit density and lower power consumption |
| D. | higher bit density and lower power consumption |
| E. | None of the above |
| Answer» E. None of the above | |
| 18. |
Which of the following holds data and processing instructions temporarily until the CPU needs it? |
| A. | ROM |
| B. | control unit |
| C. | main memory |
| D. | coprocessor chips |
| E. | None of the above |
| Answer» D. coprocessor chips | |
| 19. |
The language that is an input for statement translation is called |
| A. | Assembly language |
| B. | Source language |
| C. | High-level language |
| D. | Object language |
| E. | None of the above |
| Answer» C. High-level language | |
| 20. |
All the instructions and procedures needed to start up a computer, to the point it can load an operating system, are stored in ROM chips. In IBM compatible PCs this is called the _____ |
| A. | RAM BIOS |
| B. | ROM BIOS |
| C. | EPROM |
| D. | POST |
| E. | None of the above |
| Answer» C. EPROM | |
| 21. |
A hybrid computer uses a _____ to convert digital signals from a computer into analog signals. |
| A. | Modulator |
| B. | Demodulator |
| C. | Modem |
| D. | Decoder |
| E. | None of the above |
| Answer» D. Decoder | |
| 22. |
A group of magnetic tapes, videos or terminals usually under the control of one master is |
| A. | Cylinder |
| B. | Cluster |
| C. | Surface |
| D. | Track |
| E. | None of the above |
| Answer» C. Surface | |
| 23. |
Any device that performs signal conversion is |
| A. | Modulator |
| B. | Modem |
| C. | Keyboard |
| D. | Plotter |
| E. | None of the above |
| Answer» B. Modem | |
| 24. |
A type of channel used to connect a central processor and peripherals which uses multipling is known as |
| A. | Modem |
| B. | Network |
| C. | Multiplexer |
| D. | All of the above |
| E. | None of the above |
| Answer» D. All of the above | |
| 25. |
The first generation of computers available was based on the bit micro processors. |
| A. | 4 |
| B. | 8 |
| C. | 16 |
| D. | 64 |
| E. | None of the above |
| Answer» C. 16 | |
| 26. |
The complete picture of data stored in database is known as |
| A. | Record |
| B. | Schema |
| C. | System flowchart |
| D. | DBMS |
| E. | None of the above |
| Answer» C. System flowchart | |
| 27. |
Which of the following is intended to be used in all applications runs on mainframe computers. |
| A. | LOGO |
| B. | APL |
| C. | PL/1 |
| D. | OCCAM |
| E. | None of the above |
| Answer» D. OCCAM | |
| 28. |
When was punched-card equipment used for the first time to process the British census? |
| A. | 1910 |
| B. | 1907 |
| C. | 1911 |
| D. | 1914 |
| E. | None of the above |
| Answer» D. 1914 | |
| 29. |
As compared to diskettes, the hard disks are |
| A. | more expensive |
| B. | more portable |
| C. | less rigid |
| D. | slowly accessed |
| E. | None of the above |
| Answer» B. more portable | |
| 30. |
What is the name given to the molecular-scale computer? |
| A. | Femtocomputer |
| B. | Nanocomputer |
| C. | Supercomputer |
| D. | Microcomputer |
| E. | None of the above |
| Answer» C. Supercomputer | |
| 31. |
Who is considered the 'father' of the minicomputer and one of the founder fathers of the modern computer industry world-wide? |
| A. | George Tate |
| B. | Kenneth H. Olsen |
| C. | Seymour Cray |
| D. | Basic Pascal |
| E. | None of the above |
| Answer» C. Seymour Cray | |
| 32. |
The first microprocessors produced by Intel Corpn. and Texas Instruments were used primarily to control small |
| A. | microwave ovens |
| B. | washing machines |
| C. | calculators |
| D. | personal computers |
| E. | robotics |
| Answer» D. personal computers | |
| 33. |
Which printer uses a combination of laser-beam & electro photographic techniques. |
| A. | Laser printers |
| B. | Dot-Matrix |
| C. | Line printer |
| D. | Daisy wheel |
| E. | None of the above |
| Answer» B. Dot-Matrix | |
| 34. |
A technique used by codes to convert an analog signal into a digital bit stream is known as |
| A. | Pulse code modulation |
| B. | Pulse stretcher |
| C. | Query processing |
| D. | Queue management |
| E. | None of the above |
| Answer» B. Pulse stretcher | |
| 35. |
An optical input device that interprets pencil marks on paper media is |
| A. | O.M.R |
| B. | Punch card reader |
| C. | Optical scanners |
| D. | Magnetic tape |
| E. | None of the above |
| Answer» B. Punch card reader | |
| 36. |
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 power consumption |
| E. | None of the above |
| Answer» C. Reduced cost | |
| 37. |
Data division is the third division of a _____ program. |
| A. | COBOL |
| B. | BASIC |
| C. | PASCAL |
| D. | FORTH |
| E. | None of the above |
| Answer» B. BASIC | |
| 38. |
Which language was devised by Dr. Seymour Aubrey Papert? |
| A. | APL |
| B. | COBOL |
| C. | LOGO |
| D. | FORTRAN |
| E. | None of the above |
| Answer» D. FORTRAN | |
| 39. |
If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is |
| A. | 1200 bands |
| B. | 3200 bands |
| C. | 4800 bands |
| D. | 9600 bands |
| E. | None of the above |
| Answer» C. 4800 bands | |
| 40. |
When the computer provides the manager with a multiple choice of possible answers, the prompting technique is |
| A. | question and answer |
| B. | form filling |
| C. | open-ended question |
| D. | menu selection |
| E. | None of the above |
| Answer» E. None of the above | |
| 41. |
What are the data transmission channels available for carrying data from one location to another? |
| A. | Narrowband |
| B. | Voiceband |
| C. | Broadband |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 42. |
Demodulation is the process of |
| A. | converting digital signals to analog signals |
| B. | converting analog signals to digital signals |
| C. | combining many low speed channels into one high speed channel |
| D. | dividing the high-speed signals into frequency bands |
| E. | None of the above |
| Answer» C. combining many low speed channels into one high speed channel | |
| 43. |
Devices interconnected by the LAN should include |
| A. | Computers and terminals |
| B. | mass storage device, printers and plotters |
| C. | bridges and gateways |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 44. |
Which of the following technique is used for encapsulation? |
| A. | a technique used in best-effort delivery systems to avoid endlessly looping packets. |
| B. | a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame. |
| C. | One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size |
| D. | All of the above |
| E. | None of the above |
| Answer» C. One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size | |
| 45. |
You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one? |
| A. | 255.255.252.0 |
| B. | 225.255.254.0 |
| C. | 255.255.255.240 |
| D. | 255.255.255.252 |
| Answer» B. 225.255.254.0 | |
| 46. |
Which of the following best illustrates the default subnet mask for a class A,B, and C Network? |
| A. | 0.0.0.0, 0.0.0.1, 0.0.1.1 |
| B. | 255.255.255.0, 255.255.0.0, 255.0.0.0 |
| C. | 255.0.0.0, 255.255.0.0, 255.255.255.0 |
| D. | 255.255.0.0, 255.255.255.0, 255.255.255.255 |
| E. | None of the above |
| Answer» D. 255.255.0.0, 255.255.255.0, 255.255.255.255 | |
| 47. |
HOSTS file entries are limited to how many characters? |
| A. | 8 |
| B. | 255 |
| C. | 500 |
| D. | Unlimited |
| E. | None of the above |
| Answer» C. 500 | |
| 48. |
What frequency range is used for FM radio transmission? |
| A. | Very Low Frequency : 3 kHz to 30. kHz |
| B. | Low Frequency : 30 kHz to 300 kHz |
| C. | High Frequency : 3 MHz to 30 MHz |
| D. | Very High Frequency : 30 MHz to 300 MHz |
| E. | None of the above |
| Answer» E. None of the above | |
| 49. |
An example of an analog communication method is |
| A. | laser beam |
| B. | microwave |
| C. | voice grade telephone line |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 50. |
Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management? |
| A. | Layer 7 protocols |
| B. | Layer 6 protocols |
| C. | Layer 5 protocols |
| D. | Layer 4 protocols |
| E. | None of the above |
| Answer» B. Layer 6 protocols | |