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Computer System Activity 1Unit 2

1. An example of an input output processor is that which handles the IBM-PC keyboard
TRUE, FALSE class page , ,
2. Which of the following should not be done in handling diskettes
TRUE, FALSE, ,
3. The instruction register holds a copy of the instruction which the processor is about to execute
TRUE, FALSE, ,
4. The address bus of a computer system is used to select a specific memory location or peripheral chip
TRUE, FALSE, ,
5. The following command formats drive C: as a system disk, and prompts the user for a volume label FORMAT C:
TRUE, FALSE, ,
6. 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, matching excercise ,
7. What is the smallest unit that can be read or written to a disk
TRUE, FALSE computer assisted language learning , ,
8. Which of the following methods helps prevent screen burnout
TRUE, FALSE, ,
9. An Energy Star Complaint monitor
TRUE, FALSE, ,
10. The data bus of a computer system is uni-directional
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. The storage capacity of the disk is determined as
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, 3. check to see if the initial bios power-up message is displayed,
12. Peripheral devices like printers
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 screen resolution of VGA is
1. is the same as other models but uses slightly less power, 2. consumes less power than other models when it is powering up, 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. The Arithmetic Logic Unit (ALU) of a processor performs trigonometry functions
1. Power Supply, 2. Floppy Drive, 3. Motherboard, 4. All of the above,
15. ROM is volatile
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. In a half duplex circuit, data may be sent in either direction
TRUE, FALSE, ,
17. A digital signal has two states, logic 1 and logic 0
TRUE, FALSE, ,
18. The base unit of the computer system houses which of the following system components
1. 1024x768x16, 2. 1024x768x256, 3. 800x600x256, 4. 640x480x256,
19. Static memory is slower than dynamic memory
1. a serial port, 2. a printer interface, 3. PS/2 bus interface, 4. the VESA local bus,
20. The instruction pointer/program counter of a processor specifies the address in system memory of the data for the current instruction
1. Byte, 2. Track e-learning , 3. Sector, 4. Character,
21. Cache memory is slow speed memory which interfaces between the processor and the system memory
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) educational games , (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),