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Practice questions for this set
Convert the hexadecimal number 16 into decimal notation.
A. 16
B. 22
C. F
D. 10
Which is a true statement about a GPU (Graphics Processing Unit)?
A. Computers used primarily for gaming require a GPU in place of a CPU.
B. GPU works with the CPU to tướng handle complex high-resolution images.
C. GPU must be on its own graphics thẻ.
D. GPU uses analog signals.
Which wireless Internet service does a computer use when it connects by tethering?
A. Satellite
B. Radio frequency
C. Wi-fi
D. Cellular radio
What is an advantage of the float data type compared to tướng the integer data type?
A. The float data type consumes less storage.
B. The float data type is not limited to tướng whole numbers.
C. The float data type requires less processing time for arithmetic operations.
D. The float data type is a more natural way of expressing numbers in computing systems.
Which notation is a more efficient method to tướng express large numbers?
A. Hexadecimal
B. Binary
C. Octal
D. Decimal
Convert the decimal number 35 into binary notation.
A. 1000001
B. 100101
C. 11111
D. 100011
Convert the hexadecimal number 16 into decimal notation.
A. 16
B. 22
C. F
D. 10
Convert the binary number 1000000 into decimal notation.
A. 32
B. 40
C. 64
D. 128
How many different values can original, non-extended ASCII (American Standard Code for Information Interchange) express?
A. 10
B. 26
C. 256
D. 128
Which Unicode character encoding standard bởi most websites use?
A. UTF - 8
B. UTF - 16
C. UTF - 32
D. UTF - 7
How much storage does a character data type use?
A. 1 Bit
B. 1 Byte
C. 4 Bytes
D. 8 Bytes
What is a proper example of a string definition?
A. "We\'re sánh happy to tướng see you!'
B. 'It's going to tướng be a great day.'
C. "The sales person said to tướng the customer: "Have a nice day!" and smiled."
D. "It is polite to tướng say \"Thank you\""
D. "It is polite to tướng 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 tướng use for the house number?
A. String
B. Integer
C. Float
D. Char
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"
What is an advantage of the float data type compared to tướng the integer data type?
A. The float data type consumes less storage.
B. The float data type is not limited to tướng whole numbers.
C. The float data type requires 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 tướng whole numbers.
How bởi 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 zeros 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 tướng memory and manipulated by the CPU.
B. Data is written to tướng 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 tướng memory and manipulated by the CPU.
Why is it important to tướng write data to tướng 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 memory cannot be shown to tướng the user.
D. Data on a storage device uses less space kêu ca when it's in system memory.
A. Data stored in system memory is only preserved while the computer is powered on.