Fichas
Module 1 Flash Cards
Fichas del conjunto (62)
- 1The ARM processor uses a load-store architecture? T/F?True
- 2This register holds the Syscall NumberR7 (general purpose registers chart)
- 3R12 is the stack pointer register that points to the top of the stack? T/F?False (special purpose registers slide)
- 4This ARM operation mode is responsible for running privileged OS tasksSystem
- 5The flow of a program is controlled with ______ instructionsbranch (ARM flow controls slide)
- 6What does ARM stand for?Advanced RISC Machines (definition)
- 7Arm uses data processing instructions that directly manipulate data in memory? T/F?False
- 8The ARM state register contains a set of ___ directly-accessible registers?16 (general purpose + special purpose)
- 9Which of the following is a general-purpose register?R6 (general purpose register chart)
- 10What is the register number for a frame pointer?R11 (general purpose register chart)
- 11Which is not a general purpose register?general Porpoise (frame pointer and holds syscall number are general purpose)
- 12Which is a register for a pointer to the next instruction in memory?R15 - program counter
- 13Modes of operation on the ARM architecture are protected by multiple levels of execution privilege? T/F?True (modes of operation slide)
- 14Which is an ARM operational mode?Hypervisor
- 15This mode of operation is used when you want to run high level tasks?System (privileged)
- 16Which is not a major instruction set for arm?A16 (ARM instruction slide)
- 17The ARM processor works faster by performing ______ instructions at a higher speed?Smaller (ARM processor architecture slide)
- 18What helps in performing repetitive program functions?subroutine (ARM subroutine slide)
- 19How many bits are in each ARM register?32 (special purpose registers slide) (CPSR)
- 20How many General Purpose registries does ARM contain?30
- 21Which of the following is NOT a benefit of ARM architecture?More Heat Production (ARM processor architecture)
- 22What register is the program counter?R15 (special purpose registry slide)
- 23Thumb arm instructions are primarily how many bits?16 (ARM instruction slide)
- 24What holds information about the most recently performed ALU (arithmetic logic unit)?CPSR (Current Program Status Register)
- 25How many major instruction sets are there in ARM?3
1. ARM (A32)
2. Thumb - T32, a subset, primarily 16-bit, improves density of simple operations)
3. A64 - 64-bit, implemented for the AArch64 architecture - 26What is the most used form of secondary storage?Magnetic Disks (HDDs)
- 27What type of storage has pits and lands on it that are read by a low power laser?optical disc (uses pits for data storage)
- 28What type of memory only stores data when the computer is on?volatile memory (only stores data when cpu is on)
- 29What type of Memory has cells made up of a 4 - 10 transistor D flip-flop circuits?Static RAM (SRAM) (has cell made of a 4-10 transistor D flip flop (latch) circuit)
- 30What is an inexpensive medium for data storage (especially archiving) that is wound on a reel?magnetic tape (inexpensive medium for abundant data storage)
- 31Unlike HDD's which are mechanical, SSD's are ______? llogical (SSD) (versus mechanical - Hard disk)
- 32What is the most volatile type of memory?registers (order of volatility)(registers-cache-RAM/ROM-Hard drive-external)
- 33What attack occurred in 2008 by an infected USB drive that was inserted into the U.S. Central Command network?buckshot yankee (parking lot USB/US centcom)
- 34What is the time needed to read and write from the data sector?transfer time (memorize definitions-secondary memory HDD)
- 35What is the rate at which data is loaded from and stored to memory?throughput (memorize defs-memory terms)
- 36What is the term when the processors reference the same data often?temporal locality (principle of locality-defs)
- 37-What is a server level system for high-volume data storage?RAID (server level system)
- 38What stores data that lies between the CPU and RAM?cache (stores data between CPU and RAM)
- 39True or False, ROM writes data slower than RAM? ( Type in answer) ?true (ROM writes data slower than RAM)
- 40How many GB can a Blu-Ray Disc hold?25 (GB capacity blu-ray/memorize capacities-optical disc)
- 41Which type of Read Only Memory is erased with ultraviolet light?EPROM (erasable programmable memory)(read only memory defs)
- 42What is the time required for a disk to reach operating RPM?spin-up time (secondary memory-HDD defs)
- 43What are the two types of RAM?SRAM and DRAM (static RAM and Dynamic RAM)(Types of Random Access Memory)
- 44What type of memory is stored closer to the CPU?cache (stored closer to CPU) (use cache memory diagram)
- 45Lower latency will mean higher or lower speed?higher (low latency=higher) (memory terms defs)
- 46What is external storage sometimes referred to as?auxiliary storage (another name for external storage)
- 47-What is typically used for large data transfers from an external drive to secondary storage?dma (direct memory access)
- 48Which type of ROM can be erased instantly?EEPROM (electrically erasable programmable ROM)(can be erased instantly)
- 49How many operations per second can an SSD drive perform?80000 (I/O per second)(SSD slide)
- 50An HDD track is divided into sectors. How many bytes does a sector hold on new and larger capacity drives?4096 bytes (secondary memory HDD slide)
- 51The order of most to least volatile memory is:Registers
Cache
Primary Memory (RAM/ROM)
Hard Drives
External Memory(USB,CD) - 52The time between data entering a device and leaving it.Latency
- 53Rate at which data is loaded from and stored to memory, also known as memory bandwidththroughput
- 54Action of storing data in a region of physical memory called a bufferbuffering
- 55When the processor needs to access main memory it checks for a corresponding entry in the cache and if it is present we have acache hit
- 56References the same data oftenTemporal Locality
- 57References data in close storage location (Sequence).spatial locality
- 58Time required for the desired sector of a track to rotate under the head.Rotational Latency
- 59Time it takes the head to move from current track to the desired track.Seek Time
- 60- Time needed to read from or write to the data sector.Transfer time
- 61Time required to retrieve data from a storage device. The sum of spin-up time, seek time, rotational latency, and transfer time.Disk Access Time
- 62Time required for the disk to reach operating RPM. Most drives are left spinning at operating speed to improve spin-up time.spin-up time