What is hexadecimal - Study guides, Class notes & Summaries

2023 AQA GCSE COMPUTER SCIENCE 8525/2 Paper 2 Computing concepts Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] GCSE COMPUTER SCIENCE Paper 2 Computing concepts Thursday 25 May 2023 Afternoon Time allowed: 1 hour 45 minutes Materials • There are no additional materials required for this paper. • You must not use a calculator. Instructions • Use black ink or black ball-point pen. Use pencil only for drawing. • Answer all questions. • You must answer the question...

NEIEP 600 Final Exam Version 1 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: What is the time constant for a circuit with 150 K ohms and 2 microfarad capacitor? (TC = R x C) Answer: 0.3 seconds Q: How long will it take for this capacitor to be considered fully charged? Answer: 1.5 seconds Q: The voltage required to cause conduction across the junction in a germa- nium diode is? Answer: 0.3 Q: A 1.5 volt 8 mill...

What is the best explanation for digital data is represented in computers in binary? A. The binary number system is the only number system flexible enough to allow for representing data other than numbers. B. As a consequence of history: early pioneers of computing were making secret codes in binary, and this simply evolved into modern computing. C. It's impossible to build a computer machine that uses anything but binary to represent numbers. D. It's easier, cheaper, and more reliab...

What is the best explanation for digital data is represented in computers in binary? A. The binary number system is the only number system flexible enough to allow for representing data other than numbers. B. As a consequence of history: early pioneers of computing were making secret codes in binary, and this simply evolved into modern computing. C. It's impossible to build a computer machine that uses anything but binary to represent numbers. D. It's easier, cheaper, and more reliable t...

AS & A Level Computer Science 9608 Questions And Answers 100% Guaranteed Success. 1.1 Number Representation What are binaries? - correct answer.o Values stored as a series of ones and zeroes o A single 0 or 1 is called a binary digit or bit. o Any group of 0s & 1s can represent a character 4 2 1 0 0 0 0 0 0 0 0 o E.g. 65 in binary is 1000001 1.1 Number Representation What are BCD Representation? - correct answer.o Each digit in the number is written separately in a series ...

Company A is using Company B to host data. Company A lets Company B perform all the daily activities of managing the data. Company A's customers are unaware of the security procedures Company B uses to host the data. Which threat does this depict? Unknown risk profile During a recent scan of a network, a network administrator sent ICMP echo 8 packets to each IP address being used in the network. The ICMP echo 8 packets contained an invalid media access control (MAC) address. Logs showed ...

PCEP exam Question and answers correctly solved PCEP exam What 4 elements must a language contain? alphabet, lexis, syntax, semantics What is machine language? a rudimentary computer programming language consisting of binary or hexadecimal instructions which a computer can respond to directly What is a instruction list? - alphabet of machine language - simplest and most primary set of symbols we can use to give commands to a computer What is a high-level programming la...

Aqa As Computer Science Paper 2 Latest Update Study Set N Natural numbers, positive whole numbers and zero. Set Z Integers, positive and negative Set Q Quotients, Rational numbers, can be expressed as a ratio between two integer Irrational numbers Cannot be expressed as a ratio between 2 numbers, root 2, pi Real numbers Set of irrational numbers, Q, Z, N Ordinal numbers Integers used to describe numerical position of objects. First, second, third Counting and measuring Natural num...

CHFI- TEST with 100% Verified Solutions | Already Passed GUIDs are displayed as how many hexadecimal digits with groups separated by hyphens? 64 128 32 256 - 32 What is a standard partitioning scheme for hard disks and part of the Unified Extensible Firmware Interface? UEFI Partition Table (UPT) Universal Partition Table (UPT) General Partition Table (GPT) GUID Partition Table (GPT) - GUID Partition Table (GPT) How many bytes is each logical block in GPT? 256 128 512 1024 - 512

GCSE COMPUTER SCIENCE 8525/2 Paper 2 Computing concepts Version: 1.0 Final *Jun* IB/G/Jun23/E12 8525/2 For Examiner’s Use Question Mark 1–6 7 8 9–10 11 12 13 14 15 16 TOTAL Thursday 25 May 2023 Afternoon Time allowed: 1 hour 45 minutes Materials • There are no additional materials required for this paper. • You must not use a calculator. Instructions • Use black ink or black ball-point pen. Use pencil only for drawing. • Answer all questions. • You mus...