Deck 4 Flashcards
Get That MONEY!!!
Pass and Advanced
- What are the five hardware components most stand-alone desktop microcomputer systems contain?
The computer or system unit, which normally houses the microcomputer (microprocessor chip[s]) along with other hardware components and secondary storage devices; secondary storage devices (floppy disk drives, hard disk drives, and magnetic tape units), housed either in the system unit or separately; a monitor (standard output device); a keyboard (standard input device); and a printer (an additional output device - for hard copy).
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- What is the main part or heart of the total microcomputer system?
The computer or system unit.
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- How many available slots for board insertion are there when looking inside the computer system unit?
5
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- What is the board called that is a printed board which transmits the power and electronic signals between the other boards and peripheral devices?
The motherboard.
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- Memory chips, on the new micros, called single in-line memory modules (SIMMS), are located on the mother board in a group of how many slots?
4 or 8.
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- In older micros, where are the memory chips located?
On a memory expansion board.
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- What do most microcomputers have installed on the motherboard that provides power to the real-time clock when the system is turned off?
A lithium battery.
Pass and Advanced
- What is the life expectancy of the lithium battery?
3 to 5 years.
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- What are the boards you are likely to see in a typical microcomputer?
The disk controller board, SCSI adapter board, and video display board.
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- What board is used to control peripheral equipment, such as a CD-ROM drive?
The small computer systems interface (SCSI) adapter board.
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- What drives are most disk controller boards capable of supporting?
Two internal hard disk drives, two internal floppy drives, and one external magnetic tape drive for tape backup.
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- What must be done before installing any internal components within the system unit?
Carefully remove the outer cover.
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- How are all microcomputer systems driven?
By one or more microprocessor chips.
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- What makes up a microprocessor chip?
Thousands of integrated circuits that contain all of the essential elements of a central processing unit, which include the control logic, instruction decoding, and arithmetic-processing circuitry.
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- What must the microprocessor chip be mounted onto?
A carrier package.
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- Of all the boards in the microcomputer, what is the most important?
The system board.
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- How much information can a microprocessor chip typically handle at once?
8, 16, or 32 bits of information.
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- What has been developed to shift some of the workload from the main microprocessor chip?
Specialized processor chips,
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- What are the companion chips to the Intel family of microprocessors?
The 80287 and 80387.
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- When are computer systems using the 80 series of chips capable of very high-speed mathematical operations?
When the math coprocessor chip is plugged either into or alongside the system or motherboard.
Pass and Advanced
- In SX version computers, what docs the SX denote?
That the computer does not have a math coprocessor.
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- A DX version computer has a math coprocessor integrated into what chip?
The cpu chip.
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- What is the sole purpose of monitors (display devices)?
To allow the microcomputer to communicate its actions to you (the user), so you can act upon those actions to accomplish whatever job you are doing.
Pass and Advanced
- What are the other names used quite often for the term monitor?
Screen, display, display device, and cathode-ray tube (crt).
Pass and Advanced
- What are the type of most color displays?
Red-green-blue (RGB).
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- What are the common features you are likely to find on monitors?
Brightness, contrast, and sizing.
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- When is the brightness control used?
To vary the brightness of displayed data.
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- Where will you find some type of power on/off switch on most monitors?
On the front of most monitors, generally below the screen.
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- What is a key characteristic of any display device?
Its resolution, which determines the sharpness and clarity of the screen image.
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- How is resolution measured?
By the number of dots or pixels (short for picture elements) per square inch of screen.
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- What is the distance between the dots called?
Dot pitch.
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- What was the dot pitch of the original IBM PC color monitor?
0.43 mm.
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- What is the dot pitch of the state-of-the-art displays marketed today?
0.28 mm or less.
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- Who normally decides on a specific matrix size to display each character of text?
The display device manufacturer.
Pass and Advanced
- What often dictates what type of display/graphic board you can plug into your system unit?
The type of monitor or display device you have on your microcomputer.
Pass and Advanced
- What is probably your primary means for inputting programs and data on microcomputers?
Keyboards.
Pass and Advanced
- What are the important things you need to know about keyboards?
The types of keys and the function and placement of each.
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- What is the function of the ESCAPE (ESC) key?
It usually stops the execution of a program or function.
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- What key moves the cursor to the next tab stop position?
The TAB key.
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- What key is used in combination with other keys to increase the number’ of functions you can specify to a system or program?
The CONTROL key.
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- What key is used to increase the number of functions you can communicate to the system/program?
The ALTERNATE key.
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- What key moves the cursor one position to the left, erasing the character that was previously entered?
The BACK SPACE key.
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- What is the computer told by pressing the ENTER/RETURN key?
That you have entered data or instructions and are ready for processing.
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- What key is pressed to activate the numeric keypad?
The NUM LOCK key.
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- What are the most important keys?
CURSOR CONTROL keys.
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- What key is used to interrupt program execution?
The PAUSE key.
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- How is the PRT SCREEN key activated?
By depressing it in conjunction with the SHIFT key depressed.
Pass and Advanced
- What is the most important secondary storage medium used with microcomputers?
Magnetic disks, regardless of their type of size. `
Pass and Advanced
- What are the two forms of magnetic disk typically used with microcomputers?
The floppy disk (diskette) and the hard disk.
Pass and Advanced
- What are the two sizes of diskettes?
5 1/4 (5.25) inches and 3 ?/2 (3.50) inches.
Pass and Advanced
- What is the hole in the middle of a diskette referred to as?
The center hub.
Pass and Advanced
- What is the function of the hub?
It makes it possible for the floppy disk drive?s spindle to rotate the diskette inside the jacket.
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- What are the sectors on a diskette controlled by?
Timing.
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- Located just to the right of the center of a diskette is referred as what?
An index hole.
Pass and Advanced
- What is the purpose of a formatted program routine, or command?
To sector a soft-sectored diskette.
Pass and Advanced
- What type of diskette can be written on both sides and can hold 512 bytes of information in each sector?
A double sided double-density diskette.
Pass and Advanced
- If you were using a 5 1/4-inch diskette what should you do to the write-protect notch if you want to prevent data from being written?
Cover it.
Pass and Advanced
- If you were using a 3 1/2-inch diskette what should you do to the write-protect notch if you want to prevent data from being written?
Uncover it.
Pass and Advanced
- What type of disk drive consist of rigid metal platters contained in a small sealed unit either within the system unit or external to it?
A Winchester disk or hard disk drive.
Pass and Advanced
- What are the advantages of hard disk drives?
Speed, large storage capacity, and convenience.
Pass and Advanced
- What is the storage capacity of hard disks? .
It ranges from 500 megabytes to 8 gigabytes.
Pass and Advanced
- What is the speed of the printer used with microcomputers and in what manner are the characters printed?
Low-speed, one-character at a time.
Pass and Advanced
- What is basically the only major difference between printers designed for micros and those used on larger mainframes?
Size, and the speed at which they print. .
Pass and Advanced
- What type of non impact printer uses a special photographic paper that allows characters to be etched onto the paper using a stylus and can be used for both printing and plotting?
Electrostatic printers.
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- What is the speed of the nonimpact ink jet printers?
Up to 300 characters per second.
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- How is the printer normally put in an offline status?
Depress the’ online button.
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- What is the purpose of the form-feed (FF) button?
It advances the printer paper to the top-of-form (TOF) position (the top of the next page).
Pass and Advanced
- What does the error indicator light warn you?
There is a problem of some sort that makes the printer inoperable, such as a cover left open, the printer out of paper, an electrical malfunction, a paper jam, or possibly the font cartridge is not in place or is improperly seated.
Pass and Advanced
- What device is used to freehand sketch or to select items from menus on the display screen?
A mouse device.
Pass and Advanced
- What device can be used to scan (read) graphic art or text directly into the microcomputer?
An optical scanner.
Pass and Advanced
- What does the acronym WORM mean that is used by CD-ROM?
Write Once, Read Many.
Pass and Advanced
- When sharing printers what can be used to connect them?
A switch box.
Pass and Advanced
- What is the cable called that allows devices to communicate without modems & phone lines?
Null modem cable.
Pass and Advanced
- What reference material will tell you about the hardware and how to install and configure it?
User/owner manuals.
Pass and Advanced
- What is one of the most frequently used sections in the operators manual?
The section that covers the parameters, which includes the factory settings, the other settings available, and how to change the settings.
Pass and Advanced
- What is the first thing that needs to be done once the computer components arrive?
Inspect the components.
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- What is the first thing you must do when setting up the hardware?
Read the installation instructions.
Pass and Advanced
- How many voltages can most microcomputers operate on?
In the range of 100 to 130 volts or 200 to 230 volts alternating current (ac).
Pass and Advanced
- What should be made sure of before making any type of electrical connections?
The ON/OFF switch located on the surge protector is in the CFF position and that the plug is removed from the wall outlet.
Pass and Advanced
- What device has a cable with a twenty-five pin serial connector to connect it to the system unit?
The monitor.