Questions Flashcards
Which notation is a more efficient method to express large numbers?
A. Hexidecimal
B. Binary
C. Octal
D. Decimal
A. Hexidecimal
Convert the decimal number 35 into binary notation?
A. 1000001
B. 100101
C. 11111
D. 100011
D. 100011
Convert the hexidecimal number 16 into a decimal notation.
A. 16
B. 22
C. F
D. 10
B. 22
Convert the binary number 1000000 into decimal notation.
A. 32
B. 40
C. 64
D. 128
C. 64
How many different values can original, non-extended ASCII (American Standard Code for Information Interchange) express?
A. 10
B. 26
C. 256
D. 128
D. 128
Which Unicode character encoding standard do must websites use?
A. UTF - 8
B. UTF - 16
C. UTF - 32
D. UTF - 7
A. UTF - 8
How much storage does a character data type use?
A. 1 bit
B. 1 byte
C. 4 bytes
D. 8 bytes
B. 1 byte
What is the proper example of a string definition?
A. “We're so happy to see you!”
B. ‘It’s going to be a great day.’
C. “The sales person said to the customer: “Have a nice day!” and smiled.”
D. “It is polite to say "Thank you"”
D. “It is polite to say "Thank you"”
A package delivery service is working with address information, which contains a house number and a street name. What is the best data type to use for the house number?
A. String
B. Integer
C. Float
D. Char
A. String
A computer program contains a boolean variable. What are the stored values of this variable?
A. FALSE, TRUE
B. “F”, “T”
C. 0, 1
D. “false”, “true”
C. 0,1
What is an advantage of the float data type compared to the integer data type?
A. The float data type consumes less storage.
B. The float data type is not limited to whole numbers.
C. The float data type require less processing time for arithmetic operations.
D. The float data type is a more natural way of expressing numbers in computing systems.
B. The float data type is not limited to whole numbers.
How do the CPU (Central Processing Unit) and storage devices in a computer process data?
A. As characters and strings
B. As integers and decimals
C. As bits and bytes
D. As zeroes and ones
D. As zeroes and ones
What are the four functions which represent most of the ways that data moves through a computer system?
A. Automation, replication, optimization, recovery
B. Typing, editing, copying, printing
C. Input, output, processing, storage
D. Addition, subtraction, division, multiplication
C. Input, output, processing, storage
What is an example of “processing” in a computer system?
A. Data is written to memory and manipulated by the CPU.
B. Data is written to hard disk for later retrieval.
C. Data is entered by the user through a scanner.
D. Data is displayed on the monitor and printed out on paper.
A. Data is written to memory and manipulated by the CPU.
Why is it important to write data to a storage device, such as a hard disk?
A. Data stored in system memory is only preserved while the computer is powered on.
B. Data is available for processing only when it’s on a storage device.
C. Data stored in system cannot be shown to the user.
D. Data on a storage device uses less space than when it’s in system memory.
A. Data stored in system memory is only preserved while the computer is powered on.
What is an example of an output device?
A. Digital camera
B. keyboard
C. Loudspeaker
D. Optical Disk
C. Loudspeaker
Why is it important to protect computer data?
A. Computer data is not intended to be shared.
B. Computer data is difficult to collect.
C. Computer data is confidential.
D. Computer data is an asset.
D. Computer data is an asset.
Data encryption, firewalls, and backups are examples of what?
A. Security controls
B. Data breach
C. Data capture
D. Intellectual property
A. Security controls
Which term refers to technologies that help ensure data is available in the event of hardware failure?
A. Data exfiltration
B. Access control system
C. Fault tolerance
D. Data capture
C. Fault tolerance
What should a company that’s trying to promote its goods and services have on its name and/or logo to protect it from imitators?
A. Copyright
B. Patent
C. Trademark
D. Firewall
C. Trademark
What is a key difference between copyright and a patent?
A. Patents are granted automatically, but a copyright must be applied for and registered.
B. Copyright protection happens automatically, but a patent must be applied for and registered.
C. Copyright is valid for a limited time only, but a patent is granted on a permanent basis.
D. Patents are registered for a limited time only, but copyright protection is permanent.
B. Copyright protection happens automatically, but a patent must be applied for and registered.
What is a downside to digital products?
A. Digital products are easy to copy and steal.
B. Digital products are limited to software and computer games.
C. Digital products have a high distribution costs.
D. Digital products are of low quality.
A. Digital products are easy to copy and steal.
The information layer of data analytics requires software to perform which function?
A. Meaningful reporting
B. Data storage
C. Data collection
D. Data correlation
D. Data correlation
What is the basic unit of computer data?
A. Byte
B. KB
C. Bit
D. MB
C. Bit