21st tech topic 3

37) Because a digital computer is _______________, it recognizes only two possible values.

binary

38) A(n) ___________ is a programming tool that translates source code into object code.

compiler

A group of eight bits is called a digit t/f

false

A joystick is an example of an output device. t/f

false

Because of their size, smart phones cannot be connected to the Internet. t/f

false

Supercomputers are small and inexpensive. t/f

false

The instructions in ROM change frequently once this memory is placed on the motherboard. t/f

false

39) _____________ computers are designed so that many people can use the same secure data at once.

mainframe

36) Inside the computer, data travels from one device to another through the

motherboard

35) A trackball and a touchpad function similarly to a(n)

mouse

A bit can have a value of 1 or 0. t/f

true

A microphone is used to input sound. t/f

true

Because programs today are complex, they need large amounts of RAM to run properly. t/f

true

Because they are binary, computers recognize only two possible values. t/f

true

Object code consists of 1s and 0s t/f

true

Output is the results of the computer's processing. t/f

true

The four basic functions of computing are input, processing, output, and storage. t/f

true

The operating system is responsible for coordinating data processing. t/f

true

26) How many possible values does a byte have? _____ A) 256 B) 1 C) 11111111 D) 8

A) 256

20) Data stored here is lost when the computer is turned off. _____ A) RAM B) hard drive C) ROM D) compact disk

A) RAM

19) These chips contain instructions that start the computer when you turn it on. _____ A) ROM B) CPU C) PC D) RAM

A) ROM

18) How many operations can a CPU carry out each second? _____ A) millions B) thousands C) hundreds D) dozens

A) millions

17) This connects vital pieces of hardware, such as the CPU and memory. _____ A) motherboard B) ROM C) RAM D) trackpad

A) motherboard

29) This type of computer does very complex work, such as forecasting the weather. _____ A) supercomputer B) mainframe C) server D) minicomputer

A) supercomputer

23) This type of program can be used to translate files created in one operating system, so they can be used by a different operating system. _____ A) utility B) compiler C) source code D) RAM

A) utility

Supercomputer __2___ Mainframe _4____ Workstations __1___ Server __3__ Laptop __5___

1. between mainframes and personal computers in power 2.most powerful computer 3.holds data for computers on a network 4.used by governments and large companies 5.a portable computer

Bit __5___ Byte __3___ Programmer __1___ object code __2___ operating system __4___

1. creates software 2. can be read by a computer 3. has 256 possible values 4.tells a computer how to work 5. can have a value of 1 of 0

computer system __2___ touchpad __5___ motherboard __1___ RAM __3___ ROM __4___

1.covered with circuits and switches 2.performs input, processing, output, and storage 3.today's programs require a lot 4.helps a computer start up 5.also called a trackpad

joystick __3___ RAM __1___ smartphone __5___ programming language __2___ wearable computer __4___

1.temporarily stores data and instructions 2.used to write software 3. often used with computer games 4.leaves the hands free for other tasks 5.often used with a wide variety of applications

21) Which of the following is not a job of the operating system? _____ A) providing a user interface B) creating source code C) using memory D) managing data

B) creating source code

34) People use this kind of computer mainly to organize address books and calendars. _____ A) subnotebook B) handheld computer C) desktop computer D) workstation

B) handheld computer

32) Many organizations build their networks around this type of computer. _____ A) supercomputer B) server C) terminal D) workstation

B) server

22) The Windows and Macintosh operating systems represent data and programs by using what? _____ A) files and formats B) text and images C) processors D) numbers and symbols

B) text and images

24) All computer components are powered by what? _____ A) oil B) wind C) electricity D) gas

C) electricity

30) Airlines often use this type of computer to store and process reservations. _____ A) server B) minicomputers C) mainframe D) supercomputer

C) mainframe

25) In a digital computer, each piece of information is identified by one of these. _____ A) symbol B) command C) number D) lett

C) number

28) A compiler translates a program's source code into this. _____ A) steps B) input C) object code D) text

C) object code

31) This computing device is a small, portable computer with a flat panel display. _____ A) server B) workstation C) tablet D) desktop

C) tablet

Which of the following is used to input text? _____ A) computer system B) trackball C) hard drive D) keyboard

D) keyboard

16) You use a mouse to move this on the monitor. _____ A) image B) command C) sound D) pointer

D) pointer

27) When writing software, programmers must break every action the software must take into these. _____ A) instructions B) commands C) numbers D) steps

D) steps

33) Architects and engineers commonly use this type of computer for its power and speed. _____ A) mainframe B) server C) supercomputer D) workstation

D) workstation