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MCQOPTIONS
This section includes 1088 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
| 901. |
A temporary storage area, attached to the CPU, for I/O operations is a: |
| A. | chip |
| B. | buffer |
| C. | register |
| D. | core |
| Answer» C. register | |
| 902. |
Which of the following is not true of immediate processing? |
| A. | It is often used in real-time applications |
| B. | It can occur with either sequential of direct-access files |
| C. | . It can be used in an airline-reservation system |
| D. | Transactions are processed shortly after a real-world event occurs |
| Answer» C. . It can be used in an airline-reservation system | |
| 903. |
The main purpose of time sharing techniques used in computers is to make the best use of the |
| A. | CPU |
| B. | peripherals |
| C. | seconday storage |
| D. | floppy disks |
| Answer» B. peripherals | |
| 904. |
Which of the following memory is capable of operating at electronics speed? |
| A. | Semiconductor memory |
| B. | Magnetic disks |
| C. | Magnetic drums |
| D. | Magnetic tapes |
| Answer» B. Magnetic disks | |
| 905. |
To locate a data item for storage is |
| A. | Field |
| B. | Feed |
| C. | Database |
| D. | Fetch |
| Answer» E. | |
| 906. |
Which of the following devices can be used to directly input printed text? |
| A. | OCR |
| B. | OMR |
| C. | MICR |
| D. | All of the above |
| Answer» B. OMR | |
| 907. |
The daily processing of corrections to customer accounts best exemplifies the processing mode of: |
| A. | Batch processing |
| B. | Real-time processing |
| C. | Time-sharing |
| D. | Offline processing |
| Answer» B. Real-time processing | |
| 908. |
An AND gate |
| A. | implements logic addition |
| B. | is equivalent to a series switching circuit |
| C. | is an any or all gate |
| D. | . is equivalent to a parallel switching circuit |
| Answer» C. is an any or all gate | |
| 909. |
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 |
| Answer» B. processor and I/O devices | |
| 910. |
The memory sizes in mainframe computers and advanced technology micro computers are expressed as |
| A. | Bytes |
| B. | Kilo-bytes |
| C. | Bits |
| D. | Megabytes |
| Answer» E. | |
| 911. |
The transistorized computer circuits were introduced in the |
| A. | First generation |
| B. | Second generation |
| C. | Third generation |
| D. | Fourth generation |
| Answer» C. Third generation | |
| 912. |
When did arch rivals IBM and Apple Computers Inc. decide to join hands? |
| A. | 1978 |
| B. | 1984 |
| C. | 1990 |
| D. | 1991 |
| Answer» E. | |
| 913. |
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 |
| Answer» C. Logic unit | |
| 914. |
Fifth generation computers are likely to exhibit |
| A. | artificial intelligence |
| B. | heuristic behaviour |
| C. | advanced parallel processing |
| D. | All of the above |
| Answer» E. | |
| 915. |
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 |
| Answer» D. All of the above | |
| 916. |
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 |
| Answer» C. Electric field | |
| 917. |
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 |
| Answer» C. to communicate with the operator | |
| 918. |
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 computers processing speed |
| B. | The wider it is, the more data that can fit into main memory |
| C. | The wider it is, the greater the computers processing speed |
| D. | The wider it is, the slower the computers processing speed |
| Answer» D. The wider it is, the slower the computers processing speed | |
| 919. |
One byte can be used to encode any integer between 'O' and -inclusive |
| A. | 16 |
| B. | 256 |
| C. | 128 |
| D. | 255 |
| Answer» E. | |
| 920. |
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 |
| Answer» D. both a and b above | |
| 921. |
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 |
| Answer» D. Program Counter | |
| 922. |
Continuous line drawing are produced using |
| A. | Chain printers |
| B. | Daisy wheel printers |
| C. | Plotters |
| D. | Thermal devices |
| Answer» D. Thermal devices | |
| 923. |
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 |
| Answer» C. ALU | |
| 924. |
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 |
| Answer» C. film card | |
| 925. |
What is the name of the logic circuit which can add two binary digits? |
| A. | Full adder |
| B. | Half adder |
| C. | Buffer |
| D. | Register |
| Answer» C. Buffer | |
| 926. |
A memory space used for the temporary storage of data is |
| A. | PROM |
| B. | SAM |
| C. | Scratchpad storage |
| D. | Buffer |
| Answer» D. Buffer | |
| 927. |
Which of the following is used for serial access storage only? |
| A. | RAM |
| B. | Magnetic tape @ |
| C. | Magnetic disk |
| D. | Core memory |
| Answer» B. Magnetic tape @ | |
| 928. |
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 |
| Answer» E. | |
| 929. |
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 |
| Answer» B. POS terminal | |
| 930. |
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) |
| Answer» C. It is used primarily in scientific applications | |
| 931. |
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 |
| Answer» E. | |
| 932. |
When was the IBM XT microcomputer released in the market? |
| A. | 1970 |
| B. | 1971 |
| C. | 1987 |
| D. | 1986 |
| Answer» D. 1986 | |
| 933. |
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 |
| Answer» C. Normally require a college degree in computer science | |
| 934. |
Which type device is a piece of equipment that receives information from a CPU? |
| A. | Input |
| B. | Output |
| C. | CPU |
| D. | Memory |
| Answer» C. CPU | |
| 935. |
1024 bytes represent a |
| A. | Megabyte |
| B. | Gigabyte |
| C. | Kilobyte |
| D. | None of the above |
| Answer» D. None of the above | |
| 936. |
A directly accessible appointment calendar is a feature of a _____ resident package. |
| A. | CPU |
| B. | Memory |
| C. | Buffer |
| D. | ALU |
| Answer» C. Buffer | |
| 937. |
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 |
| Answer» E. | |
| 938. |
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 |
| Answer» D. ALU and bus | |
| 939. |
The system unit of a personal computer typically contains all of the following except: |
| A. | microprocessor |
| B. | disk controller |
| C. | serial interface |
| D. | modem |
| Answer» E. | |
| 940. |
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 |
| Answer» C. Gray code | |
| 941. |
A computer has a 1024K memory. What does the letter K stand for |
| A. | Kilometre |
| B. | Thousand |
| C. | Kilobyte |
| D. | MB |
| Answer» D. MB | |
| 942. |
The time taken for the read/write head to move to the correct track on the magnetic disk is called |
| A. | epoch delay |
| B. | latency delay |
| C. | seek time |
| D. | approach time |
| Answer» D. approach time | |
| 943. |
When was punched-card equipment used for the first time to process the British census? |
| A. | 1910 |
| B. | 1907 |
| C. | 1911 |
| D. | 1914 |
| Answer» D. 1914 | |
| 944. |
Who is the creator of the PASCAL language? |
| A. | Niklaus Wirth |
| B. | Dijkstra |
| C. | Donald Knuth |
| D. | Basic Pascal |
| Answer» B. Dijkstra | |
| 945. |
The arranging of data in a logical sequence is called: |
| A. | sorting |
| B. | classifying |
| C. | reproducing |
| D. | summarizing |
| Answer» B. classifying | |
| 946. |
The access method used for cassette tape is |
| A. | Direct |
| B. | Random |
| C. | Sequential |
| D. | All of the above |
| Answer» D. All of the above | |
| 947. |
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 |
| Answer» B. ENIAC | |
| 948. |
The memory which is ultraviolet light erasable and electrically programmable is |
| A. | ROM |
| B. | PROM |
| C. | RAM |
| D. | EPROM |
| Answer» E. | |
| 949. |
Which 32-bit microprocessor is used in IBM's PS/2 model-80 computer? |
| A. | 8088 |
| B. | 80286 |
| C. | 80386 |
| D. | 80486 |
| Answer» D. 80486 | |
| 950. |
Who is credited with the idea of using punch cards to control patterns in a weaving machine? |
| A. | Pascal |
| B. | Hollerith |
| C. | Babbage |
| D. | jacquard |
| Answer» E. | |