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
