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Computer System Activity 1Unit 21. The following command formats drive C: as a system disk, and prompts the user for a volume label FORMAT C:TRUE, FALSE, , 2. What is the smallest unit that can be read or written to a disk TRUE, FALSE, , 3. Cache memory is slow speed memory which interfaces between the processor and the system memory TRUE, FALSE class page , , 4. ROM is volatile TRUE, FALSE, , 5. A computer system is assembled. On power-up, no screen image is displayed. Which of the following quick checks is POINTLESS (not worth doing) in determining if the computer appears to be working TRUE, FALSE, , 6. Most mice connect to the PC via TRUE, FALSE, , 7. An Energy Star Complaint monitor TRUE, FALSE, , 8. A digital signal has two states, logic 1 and logic 0 TRUE, FALSE, , 9. The screen resolution of VGA is TRUE, FALSE, dynamic quiz , 10. An example of an input output processor is that which handles the IBM-PC keyboard 1. turn the brightness up and the contrast down a little, 2. leaving the monitor and computer switched on over the weekend, 3. using a screen saver program, 4. only using text mode applications instead of graphics applications, 11. Peripheral devices like printers 1. check the keyboard lights to see if they flicker on power-up, 2. watch the floppy drive lights to see if they come onlisten to see if the speaker sounds on power-up teaching , 3. check to see if the initial bios power-up message is displayed, 12. The instruction register holds a copy of the instruction which the processor is about to execute 1. place the diskette next to a magnetic field, 2. write on the diskette using a soft felt pen, 3. spill coffee on the diskette, 4. eject the diskette from the drive when the drive light is on, 13. The data bus of a computer system is uni-directional 1. is the same as other models but uses slightly less power, 2. consumes less power than other models when it is powering up online quizzes , 3. switches itself off into low power states when the input signal does not change for a determined time interval, 4. should only be used on more expensive computers, 14. Which of the following methods helps prevent screen burnout 1. Power Supply, 2. Floppy Drive, 3. Motherboard, 4. All of the above, 15. In a half duplex circuit, data may be sent in either direction 1. should be powered on before the computer system, 2. should be powered on after the computer system, 3. can be connected to the computer system with power already turned on, 4. should be turned off before the computer is turned off, 16. The base unit of the computer system houses which of the following system components TRUE, FALSE, , 17. The address bus of a computer system is used to select a specific memory location or peripheral chip TRUE, FALSE, , 18. The storage capacity of the disk is determined as 1. 1024x768x16, 2. 1024x768x256, 3. 800x600x256 educational games , 4. 640x480x256, 19. Which of the following should not be done in handling diskettes 1. a serial port, 2. a printer interface, 3. PS/2 bus interface, 4. the VESA local bus, 20. Static memory is slower than dynamic memory 1. Byte, 2. Track, 3. Sector, 4. Character, 21. The instruction pointer/program counter of a processor specifies the address in system memory of the data for the current instruction 1. (number of tracks * number of sectors * bytes per sector * number of readwrite heads), (number of tracks - number of sectors) * (bytes per sector * number of readwrite heads), (number of tracks * number of sectors) - (bytes per sector * number of readwrite heads), (number of tracks * number of sectors) / (bytes per sector number of readwrite heads), |