Computer Essentials 5
Computers require direct current (DC) to power their electronic components and to represent data and instructions. Select one: True False
True
HDMI ports make it possible to use a computer as a video jukebox or an HD video recorder. Select one: True False
True
MiniDP ports are an audiovisual port typically used to connect large monitors. Select one: True False
True
Plug and Play has become a generic term that is associated with the ability to plug any device into a computer and have it play or work immediately. Select one: True False
True
RAM is considered temporary, or volatile, storage. Select one: True False
True
Read-only memory (ROM) chips have information stored in them by the manufacturer. Select one: True False
True
The control unit directs the movement of electronic signals between the memory and the ALU. Select one: True False
True
USB ports are used to connect keyboards, mice, printers, storage devices, and a variety of specialty devices. Select one: True False
True
eSATA ports provide high-speed connections for external hard disk drives, optical disks, and other large secondary storage devices. Select one: True False
True
Laptops and tablets use _______ that are typically located outside the system unit. Select one: a. AC adapters b. batteries c. power supply units d. MiniDc
a. AC adapters
With these systems, input and output devices are located outside the system unit. Select one: a. Desktop systems b. Personal digital assistants c. Smartphones d. Laptop computers
a. Desktop systems
Most personal computers allow users to expand their systems by providing these on the system board. Select one: a. Expansion slots b. Ports c. Sound cards d. Network cards
a. Expansion slots
Which of the following can be used to connect several devices to the system unit and are widely used to connect keyboards, mice, printers, storage devices, and a variety of specialty devices? Select one: a. USB port b. SATA c. Parallel port d. Firewire bus
a. USB port
Which of the following is a function of the control unit? Select one: a. It provides pathways that support communication among the various electronic components. b. It directs the movement of electronic signals between memory and the arithmetic-logic unit. C c. It performs fundamental math operations like addition, subtraction, and so on. d. It uses the logic to compare two pieces of data.
b. It directs the movement of electronic signals between memory and the arithmetic-logic unit.
The system board is also known as the _______. Select one: a. expansion slot b. motherboard c. expansion card d. bus
b. motherboard
On the motherboard, the connection points for chips are referred to as _______. Select one: a. slots b. sockets c. ports d. lines
b. sockets
Which of the following is not a character encoding standard? Select one: a. EBCDIC b. ASCII c. CISC d. Unicode
c. CISC
When you reboot your system, the computer follows startup instructions stored in this type of memory. Select one: a. DRAM b. SDRAM c. Cache d. Flash
d. Flash
Integrated circuits must be mounted on _______, which are then plugged into the motherboard. Select one: a. slots b. pins c. ports d. chip carriers
d. chip carriers
This type of computer is a thin slab that is almost all monitor with the system unit located behind the monitor. Select one: a. Laptop b. Tablet c. Desktop d. Smartphone
b. Tablet
This character encoding scheme allows non-English characters and special characters to be represented. Select one: a. ASCII b. Unicode c. EBCDIC d. ANSIC
b. Unicode
Term used to describe the number of bits that a CPU can access at one time. Select one: a. Bitrate b. Word c. Pulse width d. Character
b. Word
Frequently-accessed information is held in _______. Select one: a. hard drive b. cache memory c. flash memory d. read only memory
b. cache memory
All of the following are commonly used units of measurement to describe memory capacity, except _______. Select one: a. Megabyte (MB) b. Gigabyte (GB) c. Terabyte (TB) d. Nanobyte (NB)
d. Nanobyte (NB)
Tiny circuit-boards etched onto squares of sand-like material, called silicon, are called _______. Select one: a. buses b. slots c. sockets d. chips
d. chips
ASCII supports Chinese and Japanese. Select one: True False
False
Firewire ports are used to connect keyboards, mice, printers, and storage devices. Select one: True False
False
Graphics cards connect the system board to secondary storage. Select one: True False
False
Parallel processing requires a computer to perform one complete task before beginning the next task. Select one: True False
False
The ALU tells the rest of the computer system how to carry out a program's instructions. Select one: True False
False
The number of bits that can travel simultaneously down a bus is known as the word size. Select one: True False
False
Virtual memory is stored on a RAM chip. Select one: True False
False
64-bit-word computer can access 8 bytes at a time. Select one: True False
True
A bus is a pathway for bits representing data and instructions. Select one: True False
True
The system unit, also known as the system chassis, is a container that houses most of the electronic components that make up a computer system. Select one: True False
True
VGA and DVI ports provide connections to monitors. Select one: True False
True
These types of ports typically provide connections to specialized devices such as camcorders and storage devices. Select one: a. FireWire b. Serial c. Parallel d. AGP
a. FireWire
Pathways that support communication among the various electronic components on the system board are called _______. Select one: a. bus lines b. network lines c. logic paths d. gate ways
a. bus lines
Which of the following ports provide high-speed connections for external hard disk drives, optical disks, and other large secondary storage devices? Select one: a. eSATA b. S/PDIF c. HDMI d. MiniDP
a. eSATA
A byte is formed by a group of _______. Select one: a. 4 bits b. 8 bits c. 12 bits d. 16 bits
b. 8 bits
A 32-bit-word computer can access _______. Select one: a. 2 bytes at a time b. 16 bytes at a time c. 4 bytes at a time d. 8 bytes at a time
c. 4 bytes at a time
These specialty processors are designed to improve specific computing operations such as displaying 3-D images and encrypting data. Select one: a. Smartcards b. CPUs c. Coprocessors d. NIC cards
c. Coprocessors
A type of specialty processor devoted exclusively to protecting your privacy. Select one: a. Data cards b. Micro cards c. Cryptoprocessor d. Embedded cards
c. Cryptoprocessor
Which of the following offers a combination of the features of RAM and ROM? Select one: a. DRAM b. DDR c. Flash Memory d. Cache Memory
c. Flash Memory
Which of the following ports is used for connecting musical instruments to a sound card? Select one: a. MiniDP b. S/PDIF c. MIDI d. eSATA
c. MIDI
Which of the following allows a computer to run two or more operations simultaneously? Select one: a. Coprocessors b. Multiplexing c. Multicore chip d. Binary system
c. Multicore chip
With this type of memory, large programs are divided into parts and the parts are stored on a secondary device, usually a hard disk. Select one: a. Flash b. Cache c. Virtual d. Extended
c. Virtual
The processing speed of a microprocessor is typically represented by its _______. Select one: a. bus line b. control unit c. clock speed d. ALU
c. clock speed
In most personal computer systems, the CPU is contained on a single chip called the _______. Select one: a. semiconductor b. ALU c. microprocessor d. control unit
c. microprocessor
For multicore processors to be used effectively, computers must understand how to divide tasks into parts that can be distributed across each core—an operation called _______. Select one: a. arithmetic-logic processing b. multiplexer processing c. parallel processing d. graphics coprocessing
c. parallel processing