1) State the range of an 8 bit binary number 2) State the purpose of ASCII? 3) State the number of bits used to store an ASCII character 4) State the number bits use to store “Hello World” 5) State how a computer stores very large/small numbers 6) Identify the mantissa and exponent of 0.256 *104 7) Describe how a bitmap is stored 8) State the effect of reducing the resolution of an image 9) State the effect of reducing the bit depth of an image 10) Describe how a vector graphic is stored 11) State 4 shapes used in vector graphics 12) State 4 attributes used in vector graphics 13) State 3 parts of a processor 14) State 2 buses used in a processor 15) Describe how memory is organised 16) An average score is calculated. State the part of the processor that carries out the calculation 17) A grade is worked out from an average score. State the part of the processor that evaluates the condition 18) State the part of the processor that stores the result of the average calculation 19) State the part of the processor that controls the fetching and execution of the data 20) State the part of the processor that carries the average score to memory 21) State the part of the processor that ensures that the data is sent to the correct location 22) Describe how an interpreter translates and executes a program 23) Describe how a compiler translates and executes a program 24) State the method used to make data unreadable without the correct password 25) State the term used to make data readable again 26) State the purpose of a firewall 27) State 2 rules a firewall may use 28) State 3 methods used to reduce the amount of CO2 generated by a computer/mobile phone. 29) Describe an advantage of an Interpreter 30) Describe an advantage of a compiler

Computer Systems KU 1

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