4 blocks of numbers separated by dots, each using 1 byte
What format is an IP address in?
100
Making a file smaller in such a way that the original file can be fully reconstructed
What is lossless compression
100
DECLARE first: DATE
What is the correct pseudocode to declare a variable of type date which is called first
100
Something that checks whether network traffic leaving and entering a LAN meets the rules that have been configured and logging all the traffic
What is a firewall
100
a pointing device that doesn't need desk space or a special surface that is often found in factory environments rather than homes or offices
What is a trackerball
200
In binary the equivalent number is 10001011 and in denary it is 139
What is the hexadecimal number 8B in binary and denary
200
volatile memory that holds data and programs being used
What is RAM
200
FOR counter ← 1 To 31 STEP 3
PRINT counter
NEXT
What is the pseudocode to print out every third number from 1 to 31 using a for to next loop
200
Software which uses an algorithm along with a key to change plain text to cyphertext
What is encryption software
200
It is a relatively inexpensive touchscreen technology that allows the use of bare fingers, gloved fingers or a stylus, but has no multitouch capability
What is resistive touchscreen technology
300
It is the biggest number that can be stored in a 6 bit register
What is the significance of the number 63 when thinking about binary registers
300
offline storage that uses NAND technology
What is flash memory
300
IF value <> 64 THEN
PRINT "false"
ENDIF
What is the correct pseudocode to print false if the variable value is not equal to 64
300
the use of an individuals physical characteristics to prove that they are who they say they are
What is biometric authentication
300
It has millions of micro mirrors which tilt, allowing the level of light of pixels to be controlled and passed through a filter to make up the final image
What is a Digital Light Projector
400
#FFFFFF
What is the html colour code for white
400
Fast data access, no moving parts, less power, less heat, thinner, more reliable
What are the advantages of SSDs over HDDs
400
packageWeight ← load[i]
What is the correct pseudocode to assign the ith element of an array called load to a variable called packageWeight
400
when the number of requests sent to a server intentionally exceeds its capacity to handle them
What is a denial of service attack (DOS)
400
this method of 3d printing needs two passes for each of the layers printed
What is binder 3d printing
500
The denary equivalent of the hexadecimal for www in a URL is 119 119 119
What is the denary equivalent of the hexadecimal %77 %77 %77
500
2 bytes per character
What is the space needed for one character of unicode
500
catWeight: ARRAY[0:50] OF REAL
What is the pseudocode used to declare an array to hold the non-integer weights of 51 cats
500
TLS and SSL
What are two encryption protocols used with http to create https?
500
The rate at which the DAC can translate the digital output from a computer into analogue voltages in a sound system