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WorksheetsS&A Design Quiz 2
Total questions: 15
Worksheet time: 12mins
If A and B are both true, which of these logical statements is true?
A and not(B)
A and B
not (A and B)
B and not(A)
If A is true and B is false, which of these logical statements is false?
A or B
A and B
A and not(B)
not(B)
What is the largest decimal number an eight-bit byte can represent?
255
256
512
1024
What is the hexadecimal number 0xAEF in decimal?
2783
2798
2799
3055
What is the hexadecimal number 0x001001 in decimal?
9
512
4096
4097
What is binary 001001 in hexadecimal?
9
4097
512
256
What is binary 1001001 in hexadecimal?
50
49
48
24
What is hexadecimal number 0x231A in binary?
0010 0011 0001 1010
0010 0011 0001 1111
1010 0011 0001 1010
0010 1011 1001 1010
What would the operation 8 modulo 3 (8 % 3) return as a value?
2
6
9
24
What is the purpose of a CPU in a computer?
The CPU is the Central Power Unit and provides all the proper voltages for the components.
The CPU is the Current Pixel Unit and is used for high-end graphics on the computer.
The CPU is the Central Processing Unit and it is where all calculations and data manipulations are done.
The CPU is the Current Person User and determines who is using the computer.
What component invention led to the creation of the personal (home) computer?
transistor
vacuum tube
television
microprocessor
What is Moore's law in computers?
a law that restricts the amount of information that can be transmitted over an internet cable
an observation that the number of transistors in a dense integrated circuit doubles approximately every two years
a rule that says the amount of memory you need will decrease each year by ½
an observation that the number of users on social media doubles every year
What is voice recognition?
computer algorithms that create human speech from text typed into the computer
computer systems that read books to disabled persons
computer algorithms that receive human speech as input and translate it into data the computer can use
computer systems that respond to loud noises to turn on devices
What is machine code?
any programming language used by a machine
the password a user inputs to a machine to gain access to it
the binary data used as the most basic instructions for the CPU in a computer
Paper punch-cards used in the 1970's to program computers
What is a function in computer programming?
a mathematical operation in a computer
the transfer of data from one component to another in the computer
the lowest level machine code in a computer
a named set of instructions that can be reused in a program to reduce complexity
