Computing

Question 1

1Which CSS rule makes all paragraphs blue?

Easy

A. p = blue B. paragraph { blue } C. p { color: blue; } D. <p color="blue">

Question 2

2Which gate is called a universal gate because any other gate can be built from it?

Medium

A. XOR B. OR C. AND D. NAND

Question 3

3An IPv4 address is made up of

Easy

A. 8 bits B. 64 bits C. 128 bits D. 32 bits

Question 4

4How many rows does a truth table for a three-input circuit need?

Medium

A. 8 B. 6 C. 3 D. 9

Question 5

5In two's complement there is only one representation of zero.

Hard

A. True B. False

Question 6

6A program that is loaded into memory and running is called a

Medium

A. driver only B. folder C. file D. process

Question 7

7The <p> tag defines a

Easy

A. page link B. picture C. program D. paragraph

Question 8

8Polymorphism means

Hard

A. writing code twice B. using only one class C. having many variables D. the same method name can behave differently for different classes

Question 9

9An early working model shown to users is a ___.

Easy

Your answer (fill in the blank)

Question 10

10What is the output of print("Hi" * 3)?

Easy

A. error B. Hi Hi Hi C. HiHiHi D. Hi3

Question 11

11Adding an item to the back of a queue is called

Hard

A. pop only B. dequeue C. enqueue D. push only

Question 12

12What is the output of print(type(5))?

Easy

A. <class 'float'> B. <class 'int'> C. <class 'str'> D. 5

Question 13

13Which storage is best for a laptop that may be dropped?

Medium

A. SSD B. magnetic tape C. floppy disk D. magnetic hard disk

Question 14

14In 8-bit two's complement, the left-most bit has a place value of

Hard

A. −128 B. 256 C. 128 D. −1

Question 15

15Simplify A·B + A·B̄.

Medium

A. A B. A·B C. B D. 1

Question 16

16Firmware is

Medium

A. software stored permanently in ROM or flash memory to control hardware B. a word processor C. a computer case D. a type of malware

Question 17

17Convert the hexadecimal number 1F to denary.

Easy

A. 31 B. 15 C. 16 D. 25

Question 18

18In Python, what is the data type of the value 3.0?

Easy

A. float B. bool C. int D. str

Question 19

19What is the hexadecimal number 2F in decimal?

Medium

A. 215 B. 47 C. 45 D. 32

Question 20

20A queue follows the principle of

Easy

A. Last In, First Out B. sorted order only C. First In, First Out D. random access