5At machine level, all data is represented using:aHexadecimal digitsbBinary digitscOctal digitsdDecimal digitsShow answer
6An 8-bit signed integer can represent values from:a0 to 127b-128 to 127c0 to 255d-255 to 255Show answer
10Characters in a computer are represented using:aDecimal encodingbASCII or UnicodecFloating-point valuesdBoolean logicShow answer
14Which of the following binary numbers corresponds to the hexadecimal number 3FA7?a0011 1111 10100111b110000111101 1000c1011 110000110111d0111 1011 1011 1100Show answer
15What is the binary representation of the decimal number -43 using 8-bit two’s complement notation?a10101011b11010101c11010100d11101011Show answer
16Which component of programming software translates code written in a high-level programming language into machine code?aText EditorbCompilercDebuggerdIDEShow answer
17Which type of hosting involves installing and running software on servers located within an organization’s physical premises?aShared HostingbDedicated HostingcOn-Premises HostingdCloud HostingShow answer
18Which memory management technique divides memory into fixed-sized blocks?aSegmentationbPagingcFixed PartitioningdDynamic PartitioningShow answer
19Which scheduling algorithm assigns CPU time in fixed time slices to each process in a cyclic order?aFirst-Come First-Served (FCFS)bShortest Job Next (SJN)cPriority SchedulingdRound Robin (RR)Show answer
20What is the main purpose of interrupts in an operating system?aTo speed up CPU processingbTo slow down CPU processingcTo handle immediate eventsdTo manage network connectionsShow answer
