Deck 5: The System Unit

Question 1

Term used to describe the number of bits that a CPU can access at one time.

A) Bitrate
B) Word
C) Pulse width
D) Character

Answer 1

B

Question 2

Pathways that support communication among the various electronic components on the system board are called _____.

A) bus lines
B) network lines
C) logic paths
D) gate ways

Answer 2

A

Question 3

Which of the following is a function of the control unit?

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) It performs fundamental math operations like addition, subtraction, and so on.
D) It uses the logic to compare two pieces of data.

Answer 3

B

Question 4

A 32-bit-word computer can access _____.

A) 2 bytes at a time
B) 16 bytes at a time
C) 4 bytes at a time
D) 8 bytes at a time

Question 5

Frequently-accessed information is held in _____.

A) hard drive
B) cache memory
C) flash memory
D) read only memory

Question 6

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 _____.

A) arithmetic-logic processing
B) multiplexer processing
C) parallel processing
D) graphics coprocessing

Question 7

Which of the following allows a computer to run two or more operations simultaneously?

A) Coprocessors
B) Multiplexing
C) Multicore processors
D) Binary system

Question 8

The processing speed of a microprocessor is typically represented by its _____.

A) bus line
B) control unit
C) clock speed
D) ALU

Question 9

A byte is formed by a group of _____.

A) 4 bits
B) 8 bits
C) 12 bits
D) 16 bits

Question 10

In most personal computer systems, the CPU is contained on a single chip called the _____.

A) semiconductor
B) ALU
C) microprocessor
D) control unit

Question 11

On the motherboard, the connection points for chips are referred to as _____.

A) slots
B) sockets
C) ports
D) lines

Question 12

With these systems, input and output devices are located outside the system unit.

A) Desktop systems
B) Personal digital assistants
C) Smartphones
D) Laptop computers

Question 13

This character encoding scheme allows non-English characters and special characters to be represented.

A) ASCII
B) Unicode
C) EBCDIC
D) ANSIC

Question 14

Which of the following is not a character encoding standard?

A) EBCDIC
B) ASCII
C) CISC
D) Unicode

Question 15

A type of specialty processor devoted exclusively to protecting your privacy.

A) Data cards
B) Micro cards
C) Cryptoprocessor
D) Embedded cards

Question 16

This type of computer is a thin slab that is almost all monitor with the system unit located behind the monitor.

A) Laptop
B) Tablet
C) Desktop
D) Smartphone

Question 17

Tiny circuit boards etched onto squares of sandlike material, called silicon, are called _____.

A) buses
B) slots
C) sockets
D) chips

Question 18

These specialty chips are designed to improve specific computing operations such as displaying 3D images and encrypting data.

A) Smartcards
B) CPUs
C) Coprocessors
D) NIC cards

Question 19

The system board is also known as the _____.

A) expansion slot
B) motherboard
C) expansion card
D) bus

Question 20

Integrated circuits must be mounted on _____, which are then plugged into the system board.

A) slots
B) pins
C) ports
D) chip carriers

Question 21

The control unit directs the movement of electronic signals between the memory and the ALU.

Question 22

Virtual memory is stored on a RAM chip.

Question 23

All of the following are commonly used units of measurement to describe memory capacity, except _____.

A) Megabyte (MB)
B) Gigabyte (GB)
C) Terabyte (TB)
D) Nanobyte (NB)

Question 24

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.

Question 25

Graphics cards connect the system board to secondary storage.

Question 26

Read-only memory (ROM) chips have information stored in them by the manufacturer.

Question 27

The number of bits that can travel simultaneously down a bus is known as the word size.

Question 28

RAM is considered temporary, or volatile, storage.

Question 29

ASCII supports languages such as Chinese and Japanese.

Question 30

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?

A) USB port
B) SATA
C) Parallel port
D) Firewire bus

Question 31

These types of ports typically provide high-speed connections to specialized devices such as camcorders and storage devices.

A) FireWire
B) Serial
C) Parallel
D) AGP

Question 32

When you reboot your system, the computer follows start-up instructions stored in this type of memory.

A) DRAM
B) SDRAM
C) Cache
D) Flash

Question 33

Which of the following ports is used for connecting musical instruments to a sound card?

A) MiniDP
B) S/PDIF
C) MIDI
D) eSATA

Question 34

Which of the following ports provide high-speed connections for external hard-disk drives, optical discs, and other large secondary storage devices?

A) eSATA
B) S/PDIF
C) HDMI
D) MiniDP

Question 35

Parallel processing requires a computer to perform one complete task before beginning the next task.

Question 36

Which of the following offers a combination of the features of RAM and ROM?

A) DRAM
B) DDR
C) Flash Memory
D) Cache Memory

Question 37

Laptops and tablets use _____ that are typically located outside the system unit.

A) AC adapters
B) batteries
C) power supply units
D) MiniDc

Question 38

The ALU tells the rest of the computer system how to carry out a program's instructions.

Question 39

With this type of memory, large programs are divided into parts and the parts are stored on a secondary device, usually a hard disk.

A) Flash
B) Cache
C) Virtual
D) Extended

Question 40

Most personal computers allow users to expand their systems by providing these on the system board.

A) Expansion slots
B) Ports
C) Sound cards
D) Network cards

Question 41

A _____-bit-word computer can access 8 bytes of information at a time.

Question 42

The processing speed of a microprocessor is typically represented by its _____ speed.

Question 43

VGA and DVI ports provide connections to monitors.

Question 44

HDMI ports make it possible to use a computer as a video jukebox or an HD video recorder.

Question 45

_____ memory improves processing by acting as a temporary high-speed holding area between the memory and the CPU.

Question 46

A _____ is the number of bits that can be accessed at one time by the CPU.

Question 47

The _____ (2 words), also known as the system chassis, is a container that houses most of the electronic components that make up a computer system.

Question 48

The most widely used character encoding standard today is _____.

Question 49

The system board is also known as the _____.

Question 50

The _____ system consists of only two digits-0 and 1.

Question 51

A bus is a pathway for bits representing data and instructions.

Question 52

eSATA ports provide high-speed connections for external hard-disk drives, optical discs, and other large secondary storage devices.

Question 53

Computers require direct current (DC) to power their electronic components and to represent data and instructions.

Question 54

_____ operations consist of making comparisons.

Question 55

_____ are effectively a thin slab that is almost all monitor with the system unit located behind the monitor.

Question 56

_____ processors allow a single computer to run two or more operations at the same time.

Question 57

MiniDP ports are an audiovisual port typically used to connect large monitors.

Question 58

USB ports are used to connect keyboards, mice, printers, storage devices, and a variety of specialty devices.

Question 59

Firewire ports are used to connect keyboards, mice, printers, and storage devices.

Question 60

_____ memory uses the hard drive to substitute for RAM.

Question 61

_____ (2 words) cards are used to connect a computer to a network.

Question 62

Compare and contrast the five most common types of system units.

Question 63

_____ ports provide high-speed connections that can connect up to seven separate devices connected one to another.

Question 64

_____ (acronym) ports are an audiovisual port typically used to connect large monitors.

Question 65

_____ (acronym) ports are a special type of port for connecting musical instruments to a sound card.

Question 66

Desktop computers have a _____ (2 words) unit, located within the system unit, that plugs into a standard wall outlet, converts AC to DC, and provides the power to drive all of the system unit components.

Question 67

Explain expansion slots and cards.

Question 68

The number of bits that can travel simultaneously down a bus is known as the bus _____.

Question 69

How is the multicore chip useful for personal computers?

Question 70

Describe specialty ports including eSATA, MIDI, MiniDP, VGA, DVI and FireWire.

Question 71

_____ (acronym) ports provide high-speed connections for external disk drives, optical disks, and other large secondary storage devices.

Question 72

_____ buses connect the CPU to memory on the system board.

Question 73

_____ network cards allow computers to be connected without cables.

Question 74

Describe the character encoding schemes.

Question 75

_____ ports are the standard high-speed networking ports for many of today's computers.

Question 76

Describe the three principal types of expansion buses.

Question 77

Network interface cards (NIC) are connected through _____ slots on the system board.