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WorksheetsIT Year 12 - CH1-3
Total questions: 18
Worksheet time: 13mins
Which of the following is not a quality of information?
Relevance
Age
Encrypted
Level of Detail
The validation technique that ensures data has been input is a (a) check.
An electoral register is a type of ________ data source.
Indirect
Direct
Both
None of the above
The system software that translates a program written in a high-level programming language in to machine code, line by line is known as (a) .
Which of the following is NOT a utility software.
Back-up
Formatting
Data compression
Linker
(a) is a process of testing and modifying a device to make sure it is taking accurate readings e.g. a sensor.
which of the following is NOT a type of calibration method?
One point
Two point
Three Point
Multi Point
A (a) is a type of motor in a control system that moves and operates other mechanisms and devices.
A (a) sensor detects the level of acidity of a substance.
A digital certificate usually does not include
organization name
user's email address
user's public key
user's IP address
Which of the following is NOT an encryption protocol?
TCP/IP
IPSec
TLS
SSL
____________ is a verification check which finds errors when transmitting data, it uses a byte of data where 7 bits represent the data and one bit represents the check.
checksum
parity
hash total
control total
(a) encryption uses both a public key and a private key to ensure the safety of data.
Information is data that has a context and (a)
Which of the following is an advantage of encryption?
Makes data transmission faster
Data cannot be intercepted by a hacker
Data is more secure during transmission
Make data transmission slower
Which characteristic of mainframe computers measures how quickly a mainframe can be repaired if it needs to be shut down.
Reliability
Availability
Serviceability
Longevity
When a program is compiled, it undergoes a 3 stage compilation process. Which is the second stage?
Syntax analysis
Code generation
Lexical Analysis
No of the above
Which user interface has the lowest demand on resources but needs specialist knowledge to operate?
(a)
