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MCQOPTIONS
This section includes 4320 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1751. |
The memory which is ultraviolet light erasable and electrically programmable is |
| A. | ROM |
| B. | PROM |
| C. | RAM |
| D. | EPROM |
| E. | None of the above |
| Answer» E. None of the above | |
| 1752. |
What is the name of the computer which was first used for programming and playing of music? |
| A. | ELLIAC |
| B. | ENIAC |
| C. | UNIVAC |
| D. | All of the above |
| E. | None of the above |
| Answer» B. ENIAC | |
| 1753. |
Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify? |
| A. | Track number |
| B. | Sector number |
| C. | Surface number |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 1754. |
A high speed device used in CPU for temporary storage during processing is called |
| A. | A register |
| B. | A bus |
| C. | A databus |
| D. | All of the above |
| E. | None of the above |
| Answer» B. A bus | |
| 1755. |
Computers are extremely fast and have fantastic memories. However, the only thing they can remember is |
| A. | Instruction |
| B. | Series of 1s and 0s |
| C. | Boolean algebra |
| D. | Logic theorems |
| E. | None of the above |
| Answer» C. Boolean algebra | |
| 1756. |
The first electronic digital computer contained? |
| A. | Electronic valves |
| B. | Vacuum tubes |
| C. | Transistors |
| D. | Semiconductor memory |
| E. | None of the above |
| Answer» C. Transistors | |
| 1757. |
The two kinds of main Memory are: |
| A. | Primary and secondary |
| B. | Random and sequential |
| C. | ROM and RAM |
| D. | All of the above |
| E. | None of the above |
| Answer» D. All of the above | |
| 1758. |
Name the two persons who were the first to develop a model of the microprocessor chip. |
| A. | Marcian Ted Hoff |
| B. | Victor Poor |
| C. | Harry pyle |
| D. | Both (b) and (c) |
| E. | None of the above |
| Answer» E. None of the above | |
| 1759. |
A monitor's _____ is the distance between the holes in the mask behind the screen. This helps determine how sharp the dots appear. |
| A. | refresh rate |
| B. | dot pitch |
| C. | resolution |
| D. | color depth |
| E. | None of the above |
| Answer» C. resolution | |
| 1760. |
The ALU of a computer normally contains a number of high speed storage elements called |
| A. | semiconductor memory |
| B. | registers |
| C. | hard disk |
| D. | magnetic disk |
| E. | None of the above |
| Answer» C. hard disk | |
| 1761. |
What is the name of the printer which prints all the A's in a line before all the B's? |
| A. | Thermal printer |
| B. | Electrostatic printer |
| C. | Line printer |
| D. | Ink-jet printer |
| E. | None of the above |
| Answer» D. Ink-jet printer | |
| 1762. |
A _____ is simply an arrangement where multiple disk drives appear as a single disk drive to the user. |
| A. | disk |
| B. | disk array |
| C. | bunch of disks |
| D. | disk pack |
| E. | spanned drive |
| Answer» C. bunch of disks | |
| 1763. |
An instruction that transfers program control to one or more possible paths is known as |
| A. | Utility program |
| B. | System software |
| C. | Broadband channel |
| D. | Application program |
| E. | None of the above |
| Answer» D. Application program | |
| 1764. |
Name of the first guided weapon in the world which used a programmable digital computer: |
| A. | Sting Ray Torpedo |
| B. | Mk 46 Torpedo |
| C. | Air-Launched Cruise Missile (ALCM) |
| D. | Tomahawk Missile |
| E. | None of the above |
| Answer» B. Mk 46 Torpedo | |
| 1765. |
Programs designed to perform specific tasks is called known as |
| A. | System software |
| B. | Application software |
| C. | Utility programs |
| D. | Operating system |
| E. | None of the above |
| Answer» C. Utility programs | |
| 1766. |
What is the name given to the weapons which use computerised guidance system? |
| A. | Guided weapons |
| B. | Smart weapons |
| C. | Dumb weapons |
| D. | Starwars weapons |
| E. | None of the above |
| Answer» C. Dumb weapons | |
| 1767. |
Time during which a job is processed by the computer is |
| A. | Delay time |
| B. | Real time |
| C. | Execution time |
| D. | Down time |
| E. | None of the above |
| Answer» D. Down time | |
| 1768. |
The most common binary code in use today is the 8 bit ASCII code. What do the letters ASCII stand for? |
| A. | American Standard Code for International Interchange |
| B. | American Standard Code for Information Interchange |
| C. | American Standard Code for Intelligence Interchange |
| D. | American Scientific Code for Information Interchange |
| E. | None of the above |
| Answer» C. American Standard Code for Intelligence Interchange | |
| 1769. |
The software used to convert source program instructions to object instruction is known as |
| A. | Compiler |
| B. | Assembler |
| C. | Interpreter |
| D. | Language processor |
| E. | None of the above |
| Answer» E. None of the above | |
| 1770. |
Binary numbers need more places for counting because: |
| A. | 0's and 1's can be added in front of them |
| B. | 0's and 1's have to be properly placed |
| C. | They are always big numbers |
| D. | Binary base is small |
| E. | None of the above |
| Answer» E. None of the above | |
| 1771. |
A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed? |
| A. | Mass Memory |
| B. | Main memory |
| C. | Logic unit |
| D. | Arithmetic unit |
| E. | None of the above |
| Answer» C. Logic unit | |
| 1772. |
When did arch rivals IBM and Apple Computers Inc. decide to join hands? |
| A. | 1978 |
| B. | 1984 |
| C. | 1990 |
| D. | 1991 |
| E. | None of the above |
| Answer» E. None of the above | |
| 1773. |
The transistorized computer circuits were introduced in the |
| A. | First generation |
| B. | Second generation |
| C. | Third generation |
| D. | Fourth generation |
| E. | Fifth generation |
| Answer» C. Third generation | |
| 1774. |
The memory sizes in mainframe computers and advanced technology micro computers are expressed as |
| A. | Bytes |
| B. | Kilo-bytes |
| C. | Bits |
| D. | Megabytes |
| E. | None of the above |
| Answer» E. None of the above | |
| 1775. |
A memory bus is mainly used for communication between |
| A. | processor and memory |
| B. | processor and I/O devices |
| C. | I/O devices and memory |
| D. | input device and output device |
| E. | None of the above |
| Answer» B. processor and I/O devices | |
| 1776. |
How many types of storage loops exist in magnetic bubble memory? |
| A. | 8 |
| B. | 4 |
| C. | 16 |
| D. | 2 |
| E. | None of the above |
| Answer» E. None of the above | |
| 1777. |
The function of CPU is |
| A. | to provide a hard copy |
| B. | to read, interpret and process the information and instruction |
| C. | to communicate with the operator |
| D. | to provide external storage of text |
| E. | None of the above |
| Answer» C. to communicate with the operator | |
| 1778. |
The bubbles in a bubble memory pack are created with the help of? |
| A. | Laser beam |
| B. | Magnetic field |
| C. | Electric field |
| D. | X-ray |
| E. | None of the above |
| Answer» C. Electric field | |
| 1779. |
The central processor of a modern digital computer consists of |
| A. | control unit |
| B. | primary memory |
| C. | control unit and primary memory |
| D. | All of the above |
| E. | None of the above |
| Answer» D. All of the above | |
| 1780. |
Fifth generation computers are likely to exhibit |
| A. | artificial intelligence |
| B. | heuristic behaviour |
| C. | advanced parallel processing |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 1781. |
Continuous line drawing are produced using |
| A. | Chain printers |
| B. | Daisy wheel printers |
| C. | Plotters |
| D. | Thermal devices |
| E. | None of the above |
| Answer» D. Thermal devices | |
| 1782. |
Which of the following registers is loaded with the contents of the memory location pointed by the PC? |
| A. | Memory Address Register |
| B. | Memory Data Register |
| C. | Instruction Register |
| D. | Program Counter |
| E. | None of the above |
| Answer» D. Program Counter | |
| 1783. |
Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost |
| A. | static |
| B. | disk space |
| C. | power |
| D. | both a and b above |
| E. | None of the above |
| Answer» D. both a and b above | |
| 1784. |
Why is the width of the data bus so important to the processing speed of a computer? |
| A. | The narrower it is, the greater the computer's processing speed |
| B. | The wider it is, the more data that can fit into main memory |
| C. | The wider it is, the greater the computer's processing speed |
| D. | The wider it is, the slower the computer's processing speed |
| E. | The data bus isn't important to the processing speed of a computer |
| Answer» D. The wider it is, the slower the computer's processing speed | |
| 1785. |
Which of the following is used for serial access storage only? |
| A. | RAM |
| B. | Magnetic tape |
| C. | Magnetic disk |
| D. | Core memory |
| E. | None of the above |
| Answer» C. Magnetic disk | |
| 1786. |
One byte can be used to encode any integer between 'O' and -inclusive |
| A. | 16 |
| B. | 256 |
| C. | 128 |
| D. | 255 |
| E. | None of the above |
| Answer» E. None of the above | |
| 1787. |
A memory space used for the temporary storage of data is |
| A. | PROM |
| B. | SAM |
| C. | Scratchpad storage |
| D. | Buffer |
| E. | None of the above |
| Answer» D. Buffer | |
| 1788. |
What is the name of the logic circuit which can add two binary digits? |
| A. | Full adder |
| B. | Half adder |
| C. | Buffer |
| D. | Register |
| E. | None of the above |
| Answer» C. Buffer | |
| 1789. |
A small film-plate which is used for microfilming the output from a microcomputer screen is called |
| A. | microfilm |
| B. | microfiche |
| C. | film card |
| D. | COM |
| E. | None of the above |
| Answer» C. film card | |
| 1790. |
The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called? |
| A. | Monochip |
| B. | Microprocessor |
| C. | ALU |
| D. | Control Unit |
| E. | None of the above |
| Answer» C. ALU | |
| 1791. |
A characteristic of card systems is: |
| A. | slowness in processing data |
| B. | using cards as records of transactions |
| C. | needing a larger DP staff |
| D. | all the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 1792. |
Which type device is a piece of equipment that receives information from a CPU? |
| A. | Input |
| B. | Output |
| C. | CPU |
| D. | Memory |
| E. | Storage |
| Answer» C. CPU | |
| 1793. |
A directly accessible appointment calendar is a feature of a _____ resident package. |
| A. | CPU |
| B. | Memory |
| C. | Buffer |
| D. | ALU |
| E. | None of the above |
| Answer» C. Buffer | |
| 1794. |
1024 bytes represent a |
| A. | Megabyte |
| B. | Gigabyte |
| C. | Kilobyte |
| D. | None of the above |
| Answer» D. None of the above | |
| 1795. |
Computer Operators |
| A. | Write computer programs for specific problems |
| B. | Operate the devices which input and output data from the computer |
| C. | Normally require a college degree in computer science |
| D. | All of the above |
| E. | None of the above |
| Answer» C. Normally require a college degree in computer science | |
| 1796. |
A computer has a 1024K memory. What does the letter K stand for |
| A. | Kilometre |
| B. | Thousand |
| C. | 1024 |
| D. | MB |
| E. | None of the above |
| Answer» D. MB | |
| 1797. |
Computer instructions written with the use of English words instead of binary machine code is called |
| A. | Mnemonics |
| B. | Symbolic code |
| C. | Gray code |
| D. | Op-code |
| E. | None of the above |
| Answer» C. Gray code | |
| 1798. |
The system unit of a personal computer typically contains all of the following except: |
| A. | microprocessor |
| B. | disk controller |
| C. | serial interface |
| D. | modem |
| E. | All of the above are contained |
| Answer» E. All of the above are contained | |
| 1799. |
Which of the following are the two main components of the CPU? |
| A. | control unit and registers |
| B. | registers and main memory |
| C. | control unit and ALU |
| D. | ALU and bus |
| E. | None of the above |
| Answer» D. ALU and bus | |
| 1800. |
When was the IBM XT microcomputer released in the market? |
| A. | 1970 |
| B. | 1971 |
| C. | 1987 |
| D. | 1986 |
| E. | None of the above |
| Answer» D. 1986 | |