Flashcards
Computer Science Quizizz Questions
Flashcards do conjunto (55)
- 1This type of software may be chosen if existing software has too many features which make it more complex and expensive.Custom written software
- 2What is an example of a byte?10001000 or any 8 digits which consist of 1's and 0's
- 3The purpose of ROM is to (Paper 1)Store all the programs needed to boot up the computer system
- 4Which of the following will have the fastest read/write speed? (Paper 1)Solid state storage
- 5Which of the following best describes a syntax error? (Paper 2)The programmer has not followed the rules of the programming language.
- 6This stores all of the files needed for your computer system to run. For example, the operating system, programs and files.Hard drive
- 7USB flash drive is an example ofOptical storage
- 8Can save money due to not needing to pay for a license in order to reuse or adapt the software.Open source software
- 9This component will store the data currently being used by the computer system. For example, parts of the operating system, opened programs and files.RAM
- 10Which Python code is NOT associated with iteration?IF, ELIF and ELSE
- 11Which has the slowest memory?Secondary storage(Hard drive)
- 12A portable device such as a smartphone or tablet is likely to have which type of storage?Solid state storage
- 13Having a processor with higher cache, more cores or a higher clock speed will result inPrograms loading faster
- 14Virtual memory is faster than RAMFalse
- 15Which is the fastest memory?Cache(CPU)
- 16Secondary Storage is faster than RAMFalse
- 17What is an example of a nibble?1011
- 18How many fetch-decode-execute cycles would you expect a 900MHz processor to complete per second?900 000 000
- 19The quality of the product can be improved by making the source code available to others.Open source software
- 20Having a processor with higher cache, more cores or a higher clock speed will result inPrograms loading faster
- 21Where is Virtual Memory LocatedOn the secondary storage(hard drive)
- 22In the CPU, this is a register which stores the intermediate results of the ALU.Accumulator
- 23Which sentence best describes iteration?Code which can repeat either a set number of times or when a condition is met.
- 24Programs will load faster if you have solid state storage in your computer system.TRUE
- 25Which of the following is the least durable?Optical storage
- 26Which storage device would you most likely use to distribute a video to several people?Optical storage
- 27The lower the frequency (number of sound waves produced each second)The lower the pitch.
- 28Which of the following is the most cost effective?Optical storage
- 29Which storage device would you most likely use to storage large amounts of backup data?Magnetic Storage
- 30In the CPU, this is a register which holds the memory address of the instruction for each cycle.Program counter
- 31When converting an analogue sound into digital, what does "sampling interval" mean?It is the gap between each of the points where the analogue sound is sampled.
- 32How much storage space does each character of ASCII need?7 bits
- 33How many characters can ASCII represent?128
- 34What is the main disadvantage of using ASCII over Unicode?Less characters can be represented by the computer system.
- 35If the software is popular, problems can be solved by other members of the community.Open Source Software
- 36Which character set would most likely be used for the main characters used for the English language?ASCII
- 37Which is the correct order?Bit, Nibble, Byte, KB, MB, GB, TB, PB
- 38Which of the following is an example of a byte?10001000
- 39Which is the correct order?Bit, nibble, byte, KB, MB, GB, TB, PB
- 40Which of the following statements best describes an algorithm?An algorithm is a logical step-by-step process for solving a problem.
- 41Which software controls which programs on your computer can send and receive data packets across the network?Firewall software
- 42What is the main reason why a good network policy will enforce user access levels?To limit the number of people who can access sensitive information.
- 43What is the main reason why a good network policy will install anti malware and firewall software?To prevent and destroy malicious software attacks.
- 44Which of the following would NOT prevent a SQL injection taking place?Firewall to stop the SQL code from entering the computer network.
- 45Why might you experience interference with your WiFi device?Another device is using the same WiFi channel.
- 46Which register in the CPU holds the actual data or instruction?Memory address register (MAR)
- 47Which is the correct definition of a network protocol?A set of rules which allow devices to communicate over a network.
- 48What is meant by the frequency of a WiFi signal?The number of times it the signal can repeat per second.
- 49Which part of the operating system will remove data that is no longer needed to free up space for other programs being used?Memory management
- 50Which part of the operating system will move data from the RAM to the virtual memory to allow the computer to perform tasks as though the computer had more RAM?Memory management
- 51What is a DNS server used for?To store IP addresses along with their URL.
- 52Which part of the operating system will split the disk in storage sectors and decide which sectors to write data to?File and disk management
- 53Which part of the operating system deals with the movement, editing and deletion of data?File and disk management
- 54Which part of the operating system will allocate memory to applications to allow more than one piece of software to be run at once?Memory management
- 55Which part of the operating system will remove data that is no longer needed to free up space for other programs being used?Memory management
Informações
- Descrição
- FlashCards sobre Computer Science Quizizz Questions, criado por Lewis Griffiths em 01-12-2017.
- Criado por
- Lewis Griffiths
- Visualizações
- 3
- Avaliação