150 CÂU TRẮC NGHIỆM VỀ KIẾN TRÚC MÁY TÍNH

Tham khảo đề thi - kiểm tra 150 câu trắc nghiệm về kiến trúc máy tính, công nghệ thông tin, phần cứng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả
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150 CÂU TRẮC NGHIỆM VỀ KIẾN TRÚC MÁY TÍNH1. 150 CÂU TRẮC NGHIỆM VỀ KIẾN TRÚC MÁY TÍNH 12. Which of the following statements about data and information is/are correct? c a. Data and information have an identical meaning. b. Information is generated after the processing of data. c. Information is needed to help us to make decisions.3. Video cassette recorders (VCRs) can be programmed to start recording at a preset time. Which of the following data is/are needed? d a. The start and stop time input by users. b. The time of the internal clock of the VCR. c. Video cassette tape. d. Only (a) and (b)4. Which of the following descriptions about data is/are correct? a a. A given set of data, when processed in different ways, can generate different information. b. Data must be consisted of digits. c. Data is a record of facts.5. Electronic data processing. b a. is superior in term of speed and accuracy.. b. can always provide accurate and correct information. c. will always lead to an increase in operational cost of an organization.6. Which of the followings is/are essential factor(s) to obtain accurate information? c a. Accurate data. b. An appropriate processing procedures. c. The use of electronic data processing.7. Which of the following organizations is/are most likely to be benefited from computerization? d a. Hospitals. b. Snack shops. c. Supermarkets. d. Only (a) and (c).8. When the resolution setting of a display unit is raised. b a. texts and images can be magnified. b. more different number of colours to be displayed. c. a larger monitor to be used.9. The quality of a scanned image depends on. a a. the resolution of the scan. b. The number of different colours can be distinguished. c. the speed of the scanning process.10. Dot matrix printers. d a. provide low cost printings. b. are good for printing invoices with carbon copies. c. has completely replaced by other printers due to its low printing quality. d. Only (a) & (b)11. Inkjet printers. d a. provide a low cost solution for colour printing. b. can replace all dot matrix printers. c. require quality papers for maximum printout quality. d. Only (a) and (c)12. Sound/speech synthesizers are commonly found in. d a. automatic telephone enquiry services. b. electronic dictionaries. c. Chinese speech recognition systems. d. Only (a) & (b)13. Internet video conferencing requires. d a. digital cameras. b. speech synthesizing systems. c. microphones. d. All true anwser.14. Bar codes are commonly found in. b 2 a. Hong Kong identity cards. b. Supermarkets , Public libraries. c. Every computer in lab school. d. In the CDROM from manufactor.15. Which of the following devices can be used in making computer graphics? d a. Digital cameras. b. Optical character recognition systems. c. Image scanners. d. Only (a) and (c)16. Which of the followings are common for RAM and ROM?. d a. Their access time is much shorter than that of hard disks. b. Both of them are made of semiconductors. c. Both of them cannot store data and program permanently. d. Only (a) and (b)17. Which of the following devices can be randomly accessed? d a. floppy disks. b. hard disks. c. magnetic tape. d. RAM18. A computer system needs a backing storage because. d a. the price of main memory is high and its capacity is limited. b. the content in main memory is lost when the computer is powered off. c. the backing storage can be used to backup important data. d. All true anwser19. Nowadays people prefers rewritable-CDs to floppy disks. This is because. d a. The price of rewritable CDs has become popular. b. The content in a CD is not affected by magnetic fields. c. The capacity of a CD is several hundred times larger than that of a floppy disk. d. All true anwser20. Magnetic tapes are usually used to backup large amount of infrequently used data. Which of the following are possible reasons? c (1) The price per storage unit of magnetic tapes is lower than most backing storage media. (2) Magnetic tapes can not be accessed sequentially. Therefore, it is most suitable for backingup large amount of data which is not in frequent use. (3) Magnetic ...