A terabyte comprises?
Answer: C
Correct answer: 1024 gigabyte
Each step up the scale multiplies by 1024, so \[ 1\ \text{TB} = 1024\ \text{GB} = 1024^2\ \text{MB} = 1024^3\ \text{KB} = 1024^4\ \text{bytes} \] which is 1,099,511,627,776 bytes. A terabyte is therefore 1024 gigabytes.
Please log in or register to report this question.
A systems programming language for microcomputers in the Intel family is
Answer: C
Correct answer: PL/M
PL/M - Programming Language for Microcomputers - was written by Gary Kildall in 1973 for Intel, and was the first high-level language aimed at microprocessors. CP/M and much of Intel’s own systems software were written in it.
Please log in or register to report this question.
The digital computer accepts ____ data as input.
Answer: A
Correct answer: Binary
A digital computer works with two voltage levels only, so every input - a keystroke, a number, an image - must first be represented as a binary pattern of 0s and 1s. Text and numeric data are what the binary encodes, not a form the machine accepts directly.
Please log in or register to report this question.
Which of the following refers to the memory in your computer ?
Answer: A
Correct answer: RAM
RAM - random access memory - is the working memory that holds the programs and data currently in use, and it is what is meant when a machine is described as having so many gigabytes of memory. DSL is a broadband connection, USB a connection standard, and LAN a local network.
Please log in or register to report this question.
A number that is used to control the form of another number is known as
Answer: B
Correct answer: Mask
A mask is a bit pattern combined with another value to control its form: ANDing with a mask clears the bits that are 0 in it, ORing sets the bits that are 1, and XORing inverts them. It is how individual flags are read and written inside a word.
Please log in or register to report this question.
Who is regarded as the father of the computer for designing the Analytical Engine ?
Answer: C
Correct answer: Charles Babbage
Babbage designed the Analytical Engine in the 1830s with a mill, a store and punched-card input, anticipating the structure of a modern computer. It was never completed in his lifetime, and Ada Lovelace’s notes on it describe what is regarded as the first algorithm written for a machine.
Please log in or register to report this question.
What are the basic operations which are performed by a computer?
Answer: D
Correct answer: All the above
A computer performs arithmetic operations in its ALU, logical operations such as comparison, and the movement and storage of data between memory and registers. Every task it carries out is built from these basic operations, so the combined option is correct.
Please log in or register to report this question.
Who invented Linux operating system ?
Answer: C
Correct answer: Linus Torvalds
Linus Torvalds, then a student in Helsinki, wrote the Linux kernel and announced it in 1991, releasing it under the GNU General Public License so that anyone could use and improve it. Dennis Ritchie created C and co-created Unix; Steve Jobs co-founded Apple.
Please log in or register to report this question.
The time for which a piece of equipment operates is called
Answer: B
Correct answer: Effective time
Effective time is the portion of the scheduled time during which a piece of equipment is actually operating and doing useful work - as against the idle and down time that make up the rest. Access and seek times measure how quickly storage responds, not how long the machine runs.
Please log in or register to report this question.
Which is a non-standard version of a computing language?
Answer: C
Correct answer: Army
PROLOG, APL and PL/1 are all defined by published standards. Army is not a standard language, so among these it is the non-standard version.
Please log in or register to report this question.
