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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.
| 801. |
A typical modern computer uses |
| A. | LSI chips |
| B. | Vacuum tubes |
| C. | Valves |
| D. | All the above |
| Answer» B. Vacuum tubes | |
| 802. |
Which of the following registers hold the information before it goes to the decoder |
| A. | control register |
| B. | data register |
| C. | accumulator |
| D. | address register |
| Answer» C. accumulator | |
| 803. |
The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory? |
| A. | External memory |
| B. | I/O memory |
| C. | ROM |
| D. | Buffer memory |
| Answer» E. | |
| 804. |
Which of the following printer can be classified as a page-at-a-time printer? |
| A. | Laser printer |
| B. | Dot-matrix printer |
| C. | Thermal printer |
| D. | Inkjet printer |
| Answer» B. Dot-matrix printer | |
| 805. |
A byte is comprised of: |
| A. | One bit |
| B. | Four bits |
| C. | Eight bits |
| D. | Sixteen bits |
| Answer» D. Sixteen bits | |
| 806. |
What type of magnetic material is normally used in bubble memories? |
| A. | Magnetic core |
| B. | Cobalt |
| C. | Garnet |
| D. | Metallic |
| Answer» D. Metallic | |
| 807. |
The CPU chip used in a computer is partially made out of: |
| A. | Copper |
| B. | Iron |
| C. | Gold and silver |
| D. | Silica |
| Answer» E. | |
| 808. |
The desirable characteristic(s) of a memory system is (are) |
| A. | speed and reliability |
| B. | low power consumption |
| C. | durability and compactness |
| D. | All of the above |
| Answer» E. | |
| 809. |
A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen? |
| A. | microfilm |
| B. | microfiche |
| C. | film card |
| D. | COM |
| Answer» D. COM | |
| 810. |
The control unit of a microprocessor |
| A. | stores data in the memory |
| B. | accepts input data from a keyboard |
| C. | Performs arithmetic / logic / functions |
| D. | None of the above |
| Answer» E. | |
| 811. |
The invention of the slide rule is attributed to |
| A. | Babbage |
| B. | Oughtred |
| C. | Pascal |
| D. | Napier |
| Answer» C. Pascal | |
| 812. |
In which year were chips used inside the computer for the first time? |
| A. | 1964 |
| B. | 1975 |
| C. | 1977 |
| D. | 1981 |
| Answer» C. 1977 | |
| 813. |
Which of the following is the fastest? |
| A. | CPU |
| B. | magnetic tapes and disks |
| C. | video terminal |
| D. | sensors, mechanical controllers |
| Answer» B. magnetic tapes and disks | |
| 814. |
What is the name of the temporary data storage area between a peripheral device and the CPU which compensates for the difference between their speeds? |
| A. | Backing storage |
| B. | Buffer |
| C. | Main storage |
| D. | Temporary storage |
| Answer» C. Main storage | |
| 815. |
The most common input device used today is |
| A. | Motherboard |
| B. | Track ball |
| C. | Scanner |
| D. | Keyboard |
| Answer» E. | |
| 816. |
A factor which would strongly influence a businessperson to adopt a computer is its: |
| A. | Accuracy |
| B. | Reliability |
| C. | Speed |
| D. | All of the above |
| Answer» E. | |
| 817. |
An output device that uses words or messages recorded on a magnetic medium to produce audio response is |
| A. | Magnetic tape |
| B. | Voice response unit |
| C. | Voice recognition unit. |
| D. | Voice band |
| Answer» C. Voice recognition unit. | |
| 818. |
A regular TV set can be hooked up to a computer so as to received computer signal instead of a television program. This hooking up is achieved with the help of a |
| A. | modem |
| B. | adapter |
| C. | cable |
| D. | aerial |
| Answer» C. cable | |
| 819. |
Which of the following is not true of a magnetic disk? |
| A. | It is expensive relative to magnetic tape |
| B. | It provides only sequential access to stored data |
| C. | Users can easily update records by writing over the old data |
| D. | It does not provide an automatic audit trail |
| Answer» C. Users can easily update records by writing over the old data | |
| 820. |
The process of writing computer instructions in a programming language is known as |
| A. | Coding |
| B. | Processing |
| C. | Programming |
| D. | File |
| Answer» B. Processing | |
| 821. |
Which one of the following is termed a combination input-output device? |
| A. | VDT |
| B. | Keyboard |
| C. | Printer |
| D. | Laser Jet |
| Answer» B. Keyboard | |
| 822. |
The data appearing first in the left portion of punched card is |
| A. | descriptive data |
| B. | coded data |
| C. | quantitative data |
| D. | quantitative data |
| Answer» C. quantitative data | |
| 823. |
The first firm to mass-market a microcomputer as a personal computer was |
| A. | IBM |
| B. | Sperry Univac |
| C. | Radio Shack |
| D. | Data General Corporation |
| Answer» D. Data General Corporation | |
| 824. |
In a computer system, which device is functionally opposite of a Key-board? |
| A. | Mouse |
| B. | Trackball |
| C. | Printer |
| D. | Joystick |
| Answer» D. Joystick | |
| 825. |
Which is considered a direct entry input device? |
| A. | Optical scanner |
| B. | Mouse |
| C. | Light pen |
| D. | All of the above |
| Answer» E. | |
| 826. |
Communication ports are found on the back of microcomputers. They are used to connect the computer to _____ |
| A. | printers |
| B. | modems |
| C. | other hardware |
| D. | All of the above |
| Answer» E. | |
| 827. |
Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM |
| A. | duplicates |
| B. | clones |
| C. | copies |
| D. | look alikes |
| Answer» C. copies | |
| 828. |
Transistorized computer circuits were introduced in the |
| A. | first generation |
| B. | second generation |
| C. | thir4 generation |
| D. | fourth generation |
| Answer» C. thir4 generation | |
| 829. |
Each model of a computer has a unique |
| A. | Assembly language |
| B. | Machine language |
| C. | High level language |
| D. | All of the above |
| Answer» C. High level language | |
| 830. |
The register which holds the address of the location to or from which data are to be transferred is known as |
| A. | index register |
| B. | instruction register |
| C. | memory address register |
| D. | memory address register |
| Answer» D. memory address register | |
| 831. |
A 32 bit microprocessor has the word length equal to |
| A. | 2 bytes |
| B. | 32 bytes |
| C. | 4 bytes |
| D. | 8 bytes |
| Answer» D. 8 bytes | |
| 832. |
Bit map terminal |
| A. | support displays containing multiple windows |
| B. | requires considerable amount of video RAM |
| C. | requires tremendous amount of copying and hence low performance |
| D. | All of the above |
| Answer» E. | |
| 833. |
Which of the following is not a practical data-processing approach? |
| A. | batch-sequential |
| B. | batch-direct |
| C. | immediate-sequential |
| D. | immediate-direct |
| Answer» D. immediate-direct | |
| 834. |
Impact printers |
| A. | strike a ribbon against the paper to produce character images |
| B. | include ink-jet and thermal devices |
| C. | are more expensive than Laser printers |
| D. | use optical technology |
| Answer» B. include ink-jet and thermal devices | |
| 835. |
Which of the following are likely to jam the read/write head of a disk pack? |
| A. | Dust |
| B. | Smoke particle |
| C. | Finger print smudge |
| D. | All of the above |
| Answer» E. | |
| 836. |
The heart of any computer is the |
| A. | CPU |
| B. | Memory |
| C. | I/O Unit |
| D. | Disks |
| Answer» B. Memory | |
| 837. |
The ALU of a computer responds to the commands coming from |
| A. | primary memory |
| B. | control section |
| C. | external memory |
| D. | cache memory |
| Answer» C. external memory | |
| 838. |
Which of the following input/output devices is not associated with personal computers? |
| A. | mice |
| B. | color monitors |
| C. | punched cards |
| D. | dot-matrix printers |
| Answer» D. dot-matrix printers | |
| 839. |
In comparison to the internal (main) memory, tape or disk memory is |
| A. | slower and more expensive |
| B. | slower and less expensive |
| C. | faster and more expensive |
| D. | faster and less expensive |
| Answer» C. faster and more expensive | |
| 840. |
In which year was UK's premier computing event called "The Which Computer" started? |
| A. | 1980 |
| B. | 1985 |
| C. | 1986 |
| D. | 1987 |
| Answer» B. 1985 | |
| 841. |
When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each |
| A. | disk |
| B. | disk surface |
| C. | track |
| D. | cylinder |
| Answer» C. track | |
| 842. |
What is the general name of the device which produces hardcopy graphics? |
| A. | COM |
| B. | Plotter |
| C. | Printer |
| D. | Microfilm |
| Answer» C. Printer | |
| 843. |
Can you tell what passes into and out from the computer via its ports? |
| A. | Data |
| B. | Bytes |
| C. | Graphics |
| D. | Pictures |
| Answer» C. Graphics | |
| 844. |
First generation computers are characterised by |
| A. | Vaccum tubes and magnetic drum |
| B. | Minicomputers |
| C. | Magnetic tape and transistors |
| D. | All of the above |
| Answer» D. All of the above | |
| 845. |
Large computer system typically uses: |
| A. | Line printers |
| B. | Ink-jet printers |
| C. | Dot-matrix printers |
| D. | Daisy wheel printers |
| Answer» B. Ink-jet printers | |
| 846. |
What is meant by quad-density (QD) diskette? |
| A. | It is double-sided disk |
| B. | It is double density disk |
| C. | It has double the number of tracks per inch |
| D. | All of the above |
| Answer» E. | |
| 847. |
The first practical commercial typewriter was invented in 1867 in the United States by |
| A. | Christopher Latham Sholes |
| B. | Carlos Glidden |
| C. | Samuel Soule |
| D. | All of the above |
| Answer» E. | |
| 848. |
When an input electrical signal A=10100 is applied to a NOT gate, its output signal is |
| A. | 01011 |
| B. | 10001 |
| C. | 10101 |
| D. | 00101 |
| Answer» B. 10001 | |
| 849. |
A floppy disk contains |
| A. | Circular tracks only |
| B. | Sectors only |
| C. | Both circular tracks and sector |
| D. | all of the above |
| Answer» D. all of the above | |
| 850. |
Communication between computers using standard telephone service |
| A. | Requires a change to an anolog signal |
| B. | Is most efficient |
| C. | Produces little noise and few disturbances |
| D. | All of the above |
| Answer» B. Is most efficient | |