RAM
Which of the statements listed below are true? (Select all that apply)
A) The speed of the system bus is measured in clock cycles
B) In computer architecture, the term "word" refers to a group of bits processed as a unit
C) The speed of the system bus in modern PCs is measured in GHz (i.e. billions of cycles per second)
D) A single clock cycle is an equivalent of a period of time between two adjacent signals sent by the system clock
E) The speed of the system bus in modern PCs is measured in MHz (i.e. millions of cycles per second)
F) Depending on the system specs, a single clock cycle might be an equivalent of multiple ticks of the system clock
A) The speed of the system bus is measured in clock cycles
B) In computer architecture, the term "word" refers to a group of bits processed as a unit
D) A single clock cycle is an equivalent of a period of time between two adjacent signals sent by the system clock
E) The speed of the system bus in modern PCs is measured in MHz (i.e. millions of cycles per second)
Platters of a magnetic hard drive spin at a rate measured in:
A) Revolutions per second
B) Iterations per minute
C) Revolutions per minute
D) Iterations per second
C) Revolutions per minute
Which of the following provides a CPU with the fastest access to frequently used data?
A) Flash memory
B) Multi-level cache
C) Random Access Memory (RAM)
D) Secondary storage
B) Multi-level cache
Which of the following answers describe the features of the Twisted Nematic (TN) LCD panel technology? (Select 3 answers)
A) Low viewing angles
B) Fast response times
C) Low color quality
E) Slow response times
F) Wide viewing angles
A) Low viewing angles
B) Fast response times
C) Low color quality
The maximum allowable cable length of 4.5 meters is a characteristic feature of: (Select all that apply)
A) IEEE 1394
B) USB
C) FireWire
D) PATA
E) eSATA (external SATA)
A) IEEE 1394
C) FireWire
A Single Data Rate Synchronous Dynamic Random Access Memory (SDR SDRAM) can read/write one word of data per clock cycle.
A) True
B) False
A) True
Which of the acronyms listed below refers to a dedicated storage appliance that can be added to a local network?
A) SPS
B) NAS
C) SAN
D) NFS
B) NAS
The NX bit technology implemented in CPUs manufactured by Intel is called:
A) EVP
B) XD bit
C) VT-x
D) Hyper-V
B) XD bit
Which of the acronyms listed below refers to an LCD panel taking advantage of fluorescent lamps?
A) LED
B) CCFL
C) DFS
D) OLED
B) CCFL
The PS/2 connector is a 6-pin Mini-DIN connector used for connecting: (Select all that apply)
A) Modems
B) Sound cards
C) Mice
D) Hard drives
E) Keyboards
C) Mice
E) Keyboards
What is the number of contact pins used in SDR SDRAM modules?
A) 144
B) 168
C) 184
D) 240
B) 168
Which of the following answers list(s) example(s) of hot-swappable drives? (Select all that apply)
A) USB drive
B) PATA drive
C) FireWire drive
D) IDE drive
E) SATA drive
F) eSATA drive
A) USB drive
C) FireWire drive
E) SATA drive
F) eSATA drive
Which of the answers listed below refer to the features of Socket H2? (Select 3 answers)
A) LGA packaging ( Missed)
B) AMD CPU socket
C) 1155 contacts
D) Intel CPU socket
E) 1556 contacts
F) PGA packaging
C) 1155 contacts
D) Intel CPU socket
Which of the following answers describe the function of a power inverter? (Select 2 answers)
A) Converts AC power into DC power
B) Used for supplying voltage to backlights of an LCD panel ( Missed)
C) Converts DC power into AC power ( Missed)
D) Used for supplying voltage to backlights of an OLED display
B) Used for supplying voltage to back lights of an LCD panel
C) Converts DC power into AC power
Which of the following cabling types are used in optical-fiber communication links? (Select 2 answers)
A) Multimode
B) RG-6
C) Shielded Twisted Pair (STP)
D) RG-59
E) Unshielded Twisted Pair (UTP)
F) Single mode
A) Multimode
F) Single mode
The placement of a notch on the RAM module contact surface allows for proper alignment of the module with the memory bank on the motherboard and prevents the installation of incompatible memory types.
A) True
B) False
A) True
A type of storage device with no moving parts that uses memory chips instead of magnetic platters is commonly referred to as a Solid-State Drive (SSD).
A) True
B) False
A) True
A CPU design based on instruction set that tries to improve speed by utilizing relatively few and simple instructions is known as:
A) RISC
B) HPFS
C) EPIC
D) CISC
A) RISC
Examples of devices posing risk to electrical safety due to accumulated high voltage include: (Select all that apply)
A) CRTs
B) Power supplies
C) Inverters
D) CPUs
E) Laser printers
A) CRTs
B) Power supplies
C) Inverters
E) Laser printers
Video Graphics Array (VGA) connector is a:
A) Two-row 40-pin connector
B) Three-row 29-pin connector
C) PCIe 6/8-pin connector
D) Three-row 15-pin connector
D) Three-row 15-pin connector
What are the characteristic features of the Double Data Rate Synchronous Dynamic Random Access Memory (DDR SDRAM)? (Select 3 answers)
A) 184 contact pins
B) Reads/writes 2 words of data per clock cycle
C) 168 contact pins
D) 1 notch on the module contact surface
E) Reads/writes 4 words of data per clock cycle
F) 2 notches on the module contact surface
A) 184 contact pins
B) Reads/writes 2 words of data per clock cycle
D) 1 notch on the module contact surface
Flash memory card formats include: (Select all that apply)
A) xD-Picture Card
B) SATA
C) CompactFlash (CF)
D) IEEE 1394
E) Secure Digital (SD)
F) eSATA
A) xD-Picture Card
C) CompactFlash (CF)
E) Secure Digital (SD)
The Pin Grid Array (PGA) is a type of surface-mount packaging for integrated circuits (ICs) that is notable for having pins on the socket rather than the integrated circuit.
A) True
B) False
B) False
Which of the acronyms listed below refers to a new type of thin and lightweight display devices offering higher contrast ratio and color quality in comparison to LCD without the need for a special light source to produce a visible image?
A) OLED
B) LED
C) HDMI
D) HTPC
A) OLED
Parallel printer cable connectors include: (Select 2 answers)
A) USB type A connector
B) RJ-45 Ethernet cable connector
C) Centronics connector
D) IEEE 1394 connector
E) DB-25 connector
C) Centronics connector
E) DB-25 connector