A⁺ Certification Test

1: Basic system configuration information is stored in ___________?
A: ROM
B: RAM
C: CMOS
D: DMA
E: None of the Above

2: A measurement useful in determining overall computer performance and speed is?
A: Megahertz
B: CPU
C: Memory
D: Available ROM
E: None of the Above

3: The 80286 computer was designed for the _____ bus. (Choose only one that applies)?
A: IDE
B: AT
C: PCI
D: MCA

4: Another term for VESA Local Bus is:?
A: PCI
B: VL Bus
C: VM Bus
D: VLSI

5: When installing a second IDE hard drive you must:?
A: Attach a second cable
B: Load software drivers
C: Reformat the first drive
D: Set the second drive jumper to slave
E: None of the above

6: PCMCIA cards were initially based on a ________ architecture.?
A: 8 bit
B: 16 bit
C: 32 bit
D: 64 bit
E: None of the above

7: Random Access Memory (RAM) is volatile memory that the computer uses to store lines of code. Which of the following statements is correct? ?
A: RAM is stored in the computers power supply
B: All information in RAM is lost When power is removed from the computer
C: Data in RAM is permanet and cannot be changed
D: RAM contains instructions for starting the pc
E: None of the above

8: The difference between a 486SX chip and a 486DX chip is that the DX chip has a built-in functional _________________.?
A: Memory chip
B: Booster chip
C: 16 bit chip
D: Math coprocessor
E: None of the above

9: Which of the following statements are true of PCMCIA devices (PC cards)? (Choose all that apply.)?
A: They have the ability to execute programs without having to download them into conventional memory
B: Socket Services, a software interface, links PC cards to Intel architecture
C: The host immediatly gets information from the card regarding its configuration and capabilities
D: The Card Identification Structure (CIS), allows cards to fully describe themselves so that other devices can quickly get information they need
E: All of the above

10: The two factors to consider when evaluating a surge suppressor are:?
A: Switching speed and clamping speed
B: Clamping speed and clamping voltage
C: Switching speed and clamping voltage
D: Switching voltage and clamping speed

11: If a computer appears to be running too hot, what device can help absorb excess heat generated by the microprocessor?
A: Heatsink
B: Buffer
C: Enhanced Processor Chip
D: Fan element
E: None of the Above

12: The MCA bus supports both _______________ architectures?
A: 8 bit and 16 bit
B: 16 bit and 32 bit
C: 16 bit and 24 bit
D: 8 bit and 24 bit
E: None of the Above

13: A SCSI (type I or type II) interface supports up to ____ intelligent devices?
A: two
B: six
C: seven
D: eight

14: The RAID Advisory Board defines ___ levels of RAID technology?
A: five
B: six
C: eight
D: nine

15: The cabling for a IBM-compatible system connects floppy _______ to the connector with the twist?
A: Drive A
B: Drive B
C: Drive C
D: Power
E: None of the above

16: Before disassembling the computer, run ____ and record all system information.?
A: CMOS Setup
B: MSAV
C: Defrag
D: Memmaker
E: None of the above

17: To prevent damage to circuit components you should use a(n) _____ when servicing computers.? ?
A: Magnetic Screwdriver
B: Non-Magnetic Screwdriver
C: Antistatic Bag
D: ESD Wrist strap
E: None of the above

18: Which DMA channel is used for floppy controllers?
A: 0
B: 1
C: 2
D: 4 through 7
E: None of the above

19: Which chip(s) have multitasking capabilities?
A: 80386
B: 80486
C: AMD K6
D: Pentium
E: All of the above

20: The POST test is performed by which of the following:?
A: The boot record
B: The Basic ROM chips
C: The ROM BIOS chip
D: The Disk Operating System
E: None of the above

21: Which data interface supports the fastest transfer rate?
A: IDE
B: EIDE
C: SCSI
D: Parallel
E: None of the above.

22: Which devices on a SCSI chain require termination?
A: All Devices.
B: The last device on each end of the chain.
C: Everyother device.
D: Only Hard Drives.
E: None of the Above

23: The binary address of the SCSI host adapter is __________?
A: 0101
B: 0111
C: 1010
D: 1000
E: None of the Above

24: With respect to hard disk drives the term RAID means:?
A: A virus that spreds itself through the network in a short period of time.
B: Redundant Array of Inexpensive Disks
C: Redundant Array of Interconnected Disks
D: Redundant Array of Independant Disks
E: None of the Above

25: Which IRQ is generally used for COM1 on a 32 bit machine?
A: IRQ 1
B: IRQ 3
C: IRQ 4
D: IRQ 5
E: None of the above

26: Which interface has the fastest access time?
A: Serial
B: Floppy Drive
C: Parallel
D: SCSI
E: None of the above

27: What is the maximum number of IRQs that an MCA board supports? ?
A: 8
B: 12
C: 16
D: 32
E: None of the above

28: Which of the following IRQs would not be reassigned?
A: 0
B: 2
C: 3
D: 5
E: None of the above

29: Parallel cables best fit which of the following descriptions?
A: Eight wires are required to transmit data bits.
B: Eight wires transmit data bits with start and stop bits.
C: Two wires are required to transmit data bits.
D: Two wires transmit data bits with start and stop bits.
E: None of the above.

30: You are looking at a cable that has a male DB-9 connector on one end and a female DB-9 connector on the other end. Of the following cables, which one is it most likely to be?
A: Serial
B: Parallel
C: SCSI
D: Keyboard
E: None of the above.

31: You are examining a cable with DB-25 connectors at each end. Pin 2 is crossed with pin 3, and pins 4 and 5 also seem to be cross connected. What is the most likely explanation?
A: The cable is defective
B: It is a special cable to connect unusal devices.
C: This is a null modem cable.
D: The cable is na ordinary printer cable.
E: None of the Above

32: Before installing cards into a PC, you should do which of the following?
A: Reconfigure the CONFIG.SYS file to the minimum number of lines.
B: Document the ROM addresses of currently installed cards.
C: Document all IRQ's of currently installed devices.
D: Create a temporary directory to install device drivers while working out conflicts.
E: None of the Above

33: Which of the following statements is true about IRQs?
A: Several devices on a PC can share the same interupts.
B: IRQ's are stored in the File Allocation Table on the Hard Drive.
C: After processing an IRQ the CPU must find where it left off proceessing other tasks.
D: Each device on a PC must have a uninque IRQ number.
E: None of the Above

34: DMA is managed with a controller chip on the system board. How many channels can a single controller chip manage?
A: 2
B: 4
C: 8
D: 16
E: None of the Above

35: Which of the following tools is useful for finding a DMA conflict?
A: MEMMAKER
B: Norton's Antivirus
C: MSAV
D: Microsoft Diagnostic (MSD.EXE)
E: None of the above

36: Which LEDs must be lit in order for a modem to send and receive data?
A: CTS
B: Transmit
C: AL Test
D: Recieve
E: B and D

37: What does the modem command ATZ activate? ?
A: An analog loopback test.
B: Speaker shut off.
C: Reset modem.
D: Retransmit
E: None of the above

38: Which of the following provides fastest data access?
A: RAM
B: Floppy
C: CD ROM
D: Hard Drive
E: None of the above

39: The binary representation 0100 is the same as:
A: 3
B: 4
C: 6
D: 8
E: All of the above

40: An expansion card has DIP switches set to an IRQ that is defined by binary settings. What is the proper binary setting for IRQ 10?
A: 1110
B: 1000
C: 1010
D: 1100
E: None of the above

41: Color monitors use ________ electron guns?
A: 3
B: 8
C: 16
D: 4
E: None of the Above

42: Which leads are crossed in a null modem cable?
A: RTS and CTS
B: Signal ground and Data Carrier Detect
C: Transmit and Recieve
D: Transmit and Clear to Send
E: None of the Above

43: A modem transmits data at 9600 bps. How many characters (bytes) can it transmit per second?
A: 1200
B: 2400
C: 5000
D: 19,200
E: None of the Above

44: What is the maximum number of IRQs in an XT type of configuration?
A: 8
B: 12
C: 16
D: 32
E: None of the Above

45: Which of the following interfaces is best suited for receiving input from a scanner?
A: The serial port
B: The parallel port
C: The DMA access slot
D: The SCSI port
E: None of the above

46: You have installed a scanner and an expansion card on a 16 bit machine. Which of the following IRQs is most likely to be available?
A: 3
B: 7
C: 10
D: 13
E: None of the above

47: You have installed a scanner and an expansion card on an 8 bit machine. Which of the following IRQs is most likely to be available? ?
A: 1
B: 2
C: 4
D: 8
E: None of the above

48: If you had a monitor which displayed 640 x 480 in 16 colors you would have which of the following?
A: CGA
B: VGA
C: EGA
D: XGA
E: None of the above

49: Eight-bit sound cards are capable of producing how many tones?
A: 256
B: 1024
C: 4906
D: 65536
E: None of the above

50: A single 5-inch diameter CD can store:
A: 20MB
B: 144MB
C: 650MB
D: 1.2GB
E: None of the above

Correct Answers

Score %