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Flashcards in Ch.2 Deck (41):
0

As shown in the accompanying figure, the - fetches each instruction.

Control unit

1

The accompanying figure represents the instruction cycle. The first step is a box a and represents the

Fetch instruction

2

The accompanying figure represents the instruction cycle. The second step in box b and represents the

Interpret instruction

3

A Problem a hacker can cause after breaking into your computer might be

All of the above

4

A - attack uses password cracking software

Brute force

5

Intercepts information sent over computer networks

Sniffing

6

An example of an old form of convergence is a

Clock radio

7

A great example of convergence in modern technology is

Cell phones

8

Jim wants to know why a compiler converts all statements in a program at one time and places them into an object code. You tell him it is so that

The code is ready to execute

9

Jim wants to know what machine language instructions look like to the machine. You tell him they appears as

A series of 0s and 1s

10

The - is the case that holds the computer's main circuit boards, microprocessor, memory, power, supply, and storage devices

System unit

11

The term - refers to the size and dimensions of a computer component

Form factor

12

An computer is a small, lightweight personal computer with screen, keyboard, storage, and processing components integrated into a single unit

Portable

13

Gaming computer's typically include

Very fast processors
Lots of money
State of the art sound capabilities

14

In an advertisement, a speed specification, such as 2.66 GHz, indicates the speed of the microprocessor

Clock

15

- refers to the number of bits that's a microprocessor can manipulate at one time

Word size

16

A processor that includes circuitry for two or more processing units is called a - processor

Multi core

17

- is used to enhance processor performance

Pipelining and parallel processing

18

- are the result of a series of tests used to gauge overall microprocessor speed and are useful in comparing microprocessor performance

Benchmarks

19

Over clocking is a technique for increasing the speed of a computer component such as -. It can be very risky

Processor
Graphics card
Memory

20

- is a temporary holding area for data, application program instructions, and the operating system.

RAM

21

Unlike disk storage, most RAM is

Volatile

22

If a program exceeds its allocated space, the operating system uses an area of the hard disk called - to store parts of a program or data file until they are needed

Virtual memory

23

- is a type of memory circuitry that holds the computer's startup routine

ROM (read only memory)

24

- time is the average time it takes a computer to locate and read data on the storage medium

Access

25

- is the ability of a device to jump directly to the requested data

Random access

26

Storage capacity usually is measured in

Gigabytes or terabytes

27

Hard disk storage technology can be classified as -storage

Magnetic

28

In the accompanying figure which is not true of the component in picture C

It is volatile

29

A hard disk - is a flat, rigid disk made of aluminum or glass and coated with magnetic iron oxide particles

Platter

30

A - is an example of a pointing device

Joystick, trackpad, mouse

31

An - display is standard equipment on notebook computers

LCD

32

The number of colors a monitor can display is referred to as

Color depth

33

Which is the highest resolution

WQXGA

34

A printers - determines how many pages a printer is able to churn out

Duty cycle

35

A - is a sudden increase or spike in electrical energy, affecting the current that flows to electrical outlets

Power surge

36

A ______ is a device that not only provides surge protection, but also furnishes your computer with battery backup power during a power surge

UPS

37

The _______ indicates that the operating system has encountered an error for which it cannot recover, and the computer no longer accepts any commands.

Blue screen of death

38

A good computer maintenance routine would include regularity:

Running utilities like disk cleanup and disk defragmenter
Scanning your computer for viruses and spyware
Deleting your browsers history and cache files

39

To reboot a pic, hold down the _____ keys at the same time.

Carl, Alt and Del

40

Laura wants to make sure her computer is fast enough for her everyday use. Which of the listed features is the most important?

Amount of RAM