WorksheetsQTHTTT_Giữa kỳ 03
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
____ is a program concerned with the efficient and environmentally responsible design, manufacture, operation, and disposal of IS-related products.
a)
a. Grid computing
b)
b. Cloud computing
c)
c. Green computing
d)
d. Utility computing
2.
_____ is a storage technology that is primarily used only for backups.
a)
a. Magnetic tape
b)
b. Cache memory
c)
c. Magnetic disk
d)
d. Compact disc
3.
_____ are used in standardized tests, including the SAT and GMAT tests, and to record votes in elections.
a)
a. Optical mark recognition (OMR) systems
b)
b. Magnetic Ink Character Recognition (MICR) devices
c)
c. Speech recognition devices
d)
d. Optical character recognition (OCR) systems
4.
_____ are the most powerful computers with the fastest processing speed and highest performance.
a)
a. Blade servers
b)
b. Workstations
c)
c. Mainframe computers
d)
d. Supercomputers
5.
Which of the following types of credit cards is currently diminishing in popularity and being replaced by the other three types?
a)
a. magnetic stripe
b)
b. smart card
c)
c. contactless payment card
d)
d. chip card
6.
A type of memory whose contents are not lost if the power is turned off or interrupted is said to be _____.
a)
a. nonadjacent
b)
b. inaccessible
c)
c. unarbitrary
d)
d. nonvolatile
7.
A _____ is a computer employed by many users to perform a specific task, such as running network or Internet applications.
a)
a. register
b)
b. cache
c)
c. server
d)
d. bus
8.
A _____ is a low-cost, centrally managed computer with no internal or external attached drives for data storage with limited capabilities.
a)
a. workstation
b)
b. nettop computer
c)
c. cloud computer
d)
d. thin client
9.
When choosing from various types of flat panel display, choose _______ for low power consumption.
a)
a. organic LED
b)
b. plasma
c)
c. liquid crystal display (LCD)
d)
d. light-emitting diode (LED)
10.
_____ is used to temporarily hold small units of program instructions and data immediately before, during, and after execution by the central processing unit (CPU).
a)
a. The control unit
b)
b. A register
c)
c. Main memory
d)
d. The motherboard
11.
Which of the following is NOT an example of a common use of a point-of-sale (POS) device?
a)
a. A teller in a bank uses a POS to withdraw money for a customer.
b)
b. A nurse in a hospital uses a POS to enter a patient's vital signs into his records.
c)
c. A server in a restaurant uses a POS to communicate a diner's order to the kitchen.
d)
d. A barrista in a coffee store uses a POS to record a sale of some bakery items.
12.
_____ are used to support engineering and technical users who perform heavy mathematical computing, computer-assisted design (CAD), video editing, and other applications requiring a high-end processor.
a)
a. Notebooks
b)
b. Netbooks
c)
c. Workstations
d)
d. Desktops
13.
The toughest challenge in designing a processor for a smartphone or tablet is balancing .........
a)
a. efficiency and price
b)
b. performance and price
c)
c. heating problems and battery drain
d)
d. performance and power consumption
14.
Carson's supervisor has asked him to review a variety of portable computers for possible purchase for their company's employees. Which of the following should Carson NOT consider buying?
a)
a. laptops
b)
b. notebooks
c)
c. nettops
d)
d. tablets
15.
The process of converting human-readable data into machine-readable form is called _____.
a)
a. data conversion
b)
b. data entry
c)
c. source data automation
d)
d. data input
16.
Completing an instruction involves two phases—instruction and execution—which are each broken down into two steps for a total of four steps. Which of the following is NOT one of the four steps?
a)
a. store results
b)
b. fetch instruction
c)
c. process data
d)
d. execute instruction
17.
Helen is 72 years old and is a retired school teacher on a fixed income. She would like to buy a new computer so that she can communicate via email, follow friends and family on social media, and occasionally access recipes and gardening tips from the Web. An important thing to consider is that Helen has arthritis in her hands, making it difficult for her to work with small buttons and gadgets. So, of the following options, her best choice is probably a(n) ________.
a)
a. smartphone
b)
b. desktop
c)
c. nettop
d)
d. e-book
18.
3D printing is ________.
a)
a. the same as 2D printing
b)
b. used to make solid products
c)
c. printing illusions on paper
d)
d. for kids to play with
19.
_____ is a hard disk drive storage device that is set up with its own network address and provides file-based storage services to other devices on the network.
a)
a. The motherboard
b)
b. Network-attached storage (NAS)
c)
c. A thin client
d)
d. A storage area network (SAN)
20.
_____ is the use of a collection of computers, often owned by many people or different organizations, to work in a coordinated manner to solve a common problem.
a)
a. Grid computing
b)
b. Cloud computing
c)
c. Parallel computing
d)
d. Web computing
21.
CPU clock speed is the _______________ at a predetermined rate.
a)
a. number of memory pages loaded
b)
b. number of instructions processed
c)
c. number of electronic pulses created
d)
d. number of files created
22.
A(n) _____ device provides data and instructions to the computer and receives results from it.
a)
a. expansion
b)
b. internal
c)
c. back-side
d)
d. input/output
100 %
