Computer Organization and Architecture

What type of connector is used to connect an analog modem to a telephone line socket?

• ST
  

• RJ-11

• BNC

• RJ-45

Which term best describes the process of breaking a program into smaller parts that can be loaded as needed by the operating system?

• multithreading

• multiprocessing

• multiuser
  

• multitasking

Which type of motherboard expansion slot has four types ranging from x1 to x16 with each type having a different length of expansion slot?

• PCIe

• AGP

• SATA

• PCI

Which characteristic describes DDR3 SDRAM?

• • chips that run at clock speeds of 800 MHz and have a connector with 240 pins

• • an individual memory chip that has dual rows of pins used to attach it to the motherboard

• • a small circuit board that holds several memory chips and has a 30- or 72-pin configuration

• • chips specifically designed for video graphics that are used in conjunction with a dedicated GPU

0. A technician has successfully removed malware from a PC and finds that when the system is rebooted error messages are displayed about missing and corrupt system files. What utility can the technician use to replace or fix any corrupted system files?

• 0. ASR
     

• 0. Fixboot

• 0. Fixmbr

• 0. Regedit

• 0. SFC

A technician is building a thick client workstation that would be used to run a database and wants to ensure the best protection against errors. What type of memory would be best suited for this?

• ECC
  

• RDRAM

• DDR3
  

• DDR2

A user is experiencing issues with system startup and with failing to open some files. The user wants to determine the source of any hard drive issues. What is the best Windows command to select to do the job?

• chkdsk

• bootrec

• ipconfig

• diskpart

• cls

What indicates that the charge on the CMOS battery could be getting low?

• • A beep error code occurs during POST.

• • The computer time and date are incorrect.

• • The computer fails to boot.

• • Performance while accessing files on the hard drive is slow.

0. Which smart home technology requires the use of a device, known as a coordinator, to create a wireless PAN?

• 0. 802.11ac

• 0. 802.11n

• 0. Zigbee
     

• 0. Z-Wave

0. Which IEEE standard is used for PoE?

• 0. 802.3af

• 0. 802.11af

• 0. 802.1q

• 0. 802.15